Hardware Abbreviations

Look through 3042 acronyms and abbreviations related to Hardware:

1080P	1080 lines, Progressive scan
286	Intel 80286 Microprocessor
2PDT	Two-Pole Double-Throw
2S2D	Double-Sided Double-Density
386	Intel 80386 Microprocessor
3DA	Three Dimension Array
3DA	Three Dimensional Architecture
3DDDI	3-Dimensional Device Dependent Interface
3DRAM	Three-Dimensional Random Access Memory
486	Intel 80486 Microprocessor
4GT	4 GigaByte (RAM) Tuning
586	Intel Pentium processor
A	form A (normally open) contacts
A-D	Analog to Digital
A/D	Analog-to-Digital converter
AA	AMD Athlon processor
AA	AMD Assured
AAA	Advanced Accelerator Applications
Aaa	Algorithm Architecture Adequation
AAA	Adequation Algorithm Architecture
AAC	Apple Audio Codec
AAM	Automatic Acoustic Management
AAUI	Apple Attachment Unit Interface
ABC	Automatic Brightness Control
ABCB	Air Blast Circuit Breaker
ABCDE	A Better Compact Disk Encoder
ABIST	Array Built-In Self Test
ABR	Automatic BIOS Recovery
ABR	Available Bit Rate
ABS	Airport Base Station
ABS	Automatic Backup System
ABU	Analog Backup
ABU	Auxiliary Back-Up Unit
ABUS	Address Bus
AC	Analog Computer
AC	Alternating Current
AC	Audio Computer
ACAP	Advanced Common Application Platform
ACCIS	Army Command & Control Information System
ACD	Automatic Call Distributor
ACD	Apple Cinema Display
ACDS	Active Clock Distribution System
ACE	Advanced Components and Equipment
ACFC	Analog Color Field Computer
ACFZ	Acrylic Case For Zune
ACIP	ATM (Asynchronous Transmission Mode) Cable Interface Processor
ACIS	Advanced CCD Imaging Spectrometer
ACLT	Accelerated Cable Life Test
ACM	Audio CODEC (COder-DECoder) Module
ACM	Association for Computing Machinery

ACO	Automatic Cut Off
ACP	Administrator's Control Panel
ACP	Advanced Co-Processor
ACPI	Advanced Configuration and Power Interface
ACPU	Aperiodic Constant Processing Utilization
ACS	Adder Comparator Selector
ACSR	Automated Compound Storage Retrieval
ACSU	Add-Compare-Select Unit
AD	Analog Disc
ADACS	Advanced Data Acquisition and Control System
ADACS	Advanced Digital and Analog Collection System
ADAM	Assembly Description Assembly Modification
ADAM	Asynchronous Data Acquisition Module
ADAM	Advanced Distributed Associative Memory
ADC	Automatic Delay Compensation
ADC	Apple Display Connecter
ADCS	Automated Data Capture System
ADCU	Advanced Digital Control Unit
ADCU	Analog Data Collection Units
ADD	AGP (Accelerated Graphics Port) Digital Display
ADDA	Analog Digital Digital Analog
ADDR	Analog Digital Data Recorder
ADE	Absolute Digital Encoder
ADF	Alternate Delivery Format
ADF	automatic document feeder
ADFS	Advanced Disc Filing System
ADM	Analog Dynamic Memory
ADP	Active Distribution Panel
ADPTR	Adaptor
ADSM	ADSTAR Distributed Storage Management
ADTM	Apollo Desktop Teleconferencing Module
ADU	Analog-to-Digital Unit
ADU	Automatic Duplex Unit
ADV	Almost Dead Video
AEC	Automatic Emulation Change
AEMS	Advanced Environmental Monitoring System
AES	Advanced Expert System
AES	Advanced Entertainment System
AFA	Architecture Feasibility Assessment
AFC	Always Freaking Crashing
AFCB	ARC Fault Circuit Breaker
AFD	Active Format Descriptor
AFP	Air Filled Porosity
AFR	adaptive frequency response
AGC	Audio Gain Control
AGC	Automatic Gain Control
AGC	Amplitude Gain Control
AGP	Accelerated Graphics Port
AGP	Advanced Graphics Printer
AGP	Another Good Platform

AGU	Advanced Graphics Upgrade
AIS	Artificial Intelligence System
AISP	Amitz Interpreted Script Processor
AKB	Adesso KeyBoard
AKC	All Knowing Computer
ALE	Address Latch Enable
ALE	Attribute-Logic Engine
ALIS	Automatic Locality Improving Storage
alpm	Aggressive Link Power Management
ALU	arithmetic/logic unit
ALUA	Asymmetric Logical Unit Access
AMAD	Airframe Mounted Accessory Drive
AMAT	Average Memory Access Time
AMBA	Advanced Microcontroler Bus Architecture
AMC	Advanced Mezzanine Card
AMI	All Media Integration
AMI	American Megatrends, Inc.
AMI	Artist Management Interface
AMOLED	Active-Matrix Organic Light-Emitting Diode
AMPI	Advanced Media Player Information
AMS	Add Multiply Subtract
AMS	Associative Memory System
ANDVT	Advanced Narrowband Digital Voice Terminal
ANPR	Automatic Number Plate Reader
ANR	Active Noise Reduction
AO	Auto off
AO	Analog Output
AOA	Alliance of Overclocking Arts
AOD	Advanced Optical Disc
AOP	Autonomous Object Platform
AOSP	And/Or Series/Parallel
AP	Alternative Power
AP	Application Processor
APB	Advanced Peripheral Bus
APC	Analog-to-Packet Converter
APF	All-Pass Filter
APIC	ATM Port Interconnect Controller
APM	Advanced Power Management
APM	Adaptive Power Management
APMS	Advanced Precision Measurement System
APO	Automatic Power Off
APPI	Associated Press Printer Interface
APS	Active-Pixel Sensor
APS	Active Phase Switching
APTA	Austrian Platform for Telematics Application
APU	Audio Processing Unit
APU	Auxiliary Power Unit
AQUA	Amino Qnx Unified Architecture
ARCA	Advanced Recovery Continuity Appliance (Product of Zenith)
ARI	Automated Reset Indication

ARMD	ATAPI (Advanced Technology Attachment with Packet Interface) Removable Media Device
ARMS	Advanced Reticle Management System
arms	Active Realtime Machine System
Art	Audio Response Terminal
ARTS	Analog Real-Time Synthesizer
AS	Autonomous System
AS	Accelerated Standard
ASA	Advanced Speaker Array
ASB	Advanced System Bus
ASC	Accessory Switch Controller
ASCK	Asynchronous Serial Clock
ASD	Adjustable Speed Drive
ASDP	Automation of Structure Determination Platform
ASF	Automatic Sheet Feeder
ASHWID	Application Specific Hardware Identifier
ASIC	Application Specific Integrated Circuit
ASID	Address Space Identifier
ASIO	Audio Signal In Out
ASM	Automatic Storage Management
ASP	Auxiliary Storage Pool (IBM AS/400 systems)
ASP	ATM Switch Processor
ASPD	Advanced Scalable Processor Design
ASPI	Advanced SCSI (Small Computer System Interface) Programming Interface
ASR	Anti-Slip Regulator
ASR	Aggregation Services Router
ASR	Analog Shift Register
ASRAM	Asynchronous Static Random Access Memory
AST	Automatic Station Tuning
AST	Anti-Slice Technology
ASTA	A Simple Thin Architecture
ASTB	Advanced Set Top Box
ASYNC	Asynchronous
AT	Advanced Technology
ATA	Analog Telephone Adaptor
ATAPI	Advanced Technology Application Programming Interface
ATE	Asynchronous Terminal Emulation
ATM	Automatic Teller Machine
ATMG	Auto Tuning for Multicore and GPU
ATWB	Auto Tracking White Balance
ATX	Advanced Technology Extended [Intel]
AU	Audio Unit
AUI	Attachment Universal Interface
AUT	Array Under Test
AUX	Auxiliary Device
AV	Adjusted Volume
AVA	Active Vision Agent
AVA	Adaptec Value Adapter
AVBC	Adaptive Variable Bias Control
AVC	Actuator Valve Controller
AVC	AUDIO VIDEO CONTROL

AVI	audio video interface
AVPP	Audio-Video Player/Processor
AVR	Automatic Voltage Regulator (electricity)
AVVID	Architecture for Video, Voice, and Internet Data
AWCC	Animated Windows Capture CODEC
AWG	American Wire Gauge
B	form B (normally closed) contacts
B2D	Backup To Disc
BA	Brightness Adjust
BA	Bus Alignment
BADCI	Bionically Automated Digital and Computerized intellect
BASH	Bandwidth Sharing
BASH-R	BAndwidth SHaring with Resource constraints
BAVW	Browser Appliance Virtual Workstation
BB	Breadboard
BBB	Big Bad Box
BBDR	Bio-Biblio-Data Recorder
BBQP	BroadBand demodulator, Q-channel input, Positive terminal
BBU	Battery Back-Up
BBWC	Battery-Backed Write Cache
BCA	Bridge Connection Adaptor
BCD	Binary-Coded Decimal
BCF	Binder Clip Fabric
BCIS	Business Computing Information system
BCMSN	Building Cisco Multilayer Switch Networks
BCV	Business Continuation Volume
BD	Blu-ray Disc
BDC	Bad Design Concept
BDD	Business Desktop Deployment
BDI	Black Digital Interface
BDU	Branch Detection Unit
BEAST	Belgium Economic Accounting and Surveillance Terminal
BEDO	Burst Extended Data Out
BEDORAM	Burst Extended Data Out Random Access Memory
BETA	Betalight Electromagnetic Technology Applications
BF	Boot Floppy
BF	Bridging Fault
BHA	Bottom Hole Assembly
BHM	Binary Hexidecimal Matchup
BI	Bus Invert
BI	Basic Instrument
BI	Back Illuminated
bi	Basic Instruments
BI	Bus Interface
BI	Bus Interconnect
BI	Backplane Interconnect
BIC	Broadband Interface Card
BINAC	Binary Automatic Computer, Nachfolger des ENIAC
bist	built in self testing
BITE	Built-In Test Equipment

BITS	Boot Integrity Token System
BJ	Bubble-Jet
BJC	Bubble Jet Color printer
BL	Base Layer
BM	Button Masher
BM	Battle Mac
BMA	Before Memory Access
BMC	Baseboard Management Controller
BO	Bus Out
BOC	Beginning Of Cycle
BOMA	Brankamp Open Modular Architecture
BOMS	Bulk Only Mass Storage
BOS	Back Office Server
BOS	Big Orange Switch
BOT	beginning of tape
BOTW	Box On The Wall
BPS	Bata Positioning System
BPS	Backup Power Supply
BQA	Bantum Quantum Adaptor
BRI	Basic Rate Interface
BRS	Business Recovery Server
BS	Bus State
BS	bad sector
BSB	Bad Sector Boundary
BSD	Berkeley Source Distribution
BSM	Best Sounding Midrange
BSS	Best Source Selector
BTB	Branch Target Buffer
BTL	Bridge-Tied Load
BTTP	Block-Type Thermal Power station
BTTR	BlueTooth Touchpad Remote control
BTTT	Bash That Thing Twice
BTX	Balanced Technology Extended
BURP	Basic Undergraduate RISC Processor
BUS	Back Up System
BUZ	BUZzer clock input line
BXC	Broadband Cross-Connect
BYM	Blank Your Monitor
BYOH	Bring Your Own Hardware
BYOS	Build Your Own System
C	Computer programming language
C	Core
C	Capacitor
C&I	Control and Instrument
C2Q	Intel® Core™2 Quad
CACI	Computer-Aided Cosmetology Instrument
CAD	Computer Automated Diagnostics
CAIT	CDMA Air Interface Tester
CAL	Calibrate
CAM	Camera

cam	Camera Accessories Manufacturers
CAM	Cellular Automata Machine
cam	Camera Accessories Memory
CAM	Casio digital camera file
CAP	Casing Added Protection
CAR	Central Apparatus Room
CAR	Constrained Aspect Ratio
CASIO	Named for "Kashio," or Tadao Kashio, founder of Casio Computer Company Limited.
CB	Circuit Board
CB	Card Bus
CBA	Circuit Board Assembly
CBR	Constant Bit Rate
CBS	Canadian Blood Services
CC	Color Compensating
CC	Cache Coherent
CC	Compact Computer
CCC	Central Control Console
CCCP	Compilers Creating Custom Processors
CCDP	Compact Compact Disc Player
CCE	Console Chinese Environment
CCFL	Cold Cathode Fluorescent Lamp
CCGM	Common Chip Grading Methodology
CCHA	Cambridge Certified Hardware Associate
CCITT	Comite Consultatif International Telegraphique et Telephonique
CCMS	Checkout, Control and Monitor System
CCP	Computer Control Panel
CCRP	Comfort Control Relay Panel
CCS	Common Comand Set
CCS	Clip Connection System
CCSD	Common Constraint Situation Display
CCWDTF	Cleaning, Conditioning, Writing, Developing, Transferring, and Fusing
CD	Compact Disc
CD-I	Compact Disc Interactive
CD-R	Compact Disc-Recordable
CD-ROM XA	Compact Disc Read-Only Memory eXtended Architecture
CD-RW	Compact Disc - ReWritable
CDA	Compact Disc Audio
CDC	Communication Daughter Card
CDC	CD Data Controller
CDC	Connection Device Configuration
CDCU	Common Display Console Upgrade
CDD	Clock Difference Diagram
CDMAU	Centralized Direct Memory Access Unit
CDR	Compact Disc Recordable
CDRW	Compact Disc - ReWritable
CDS	Central Disk Space
CDS	Central Data Subsystem
CDT	Collaborative Design Terminal
CDT	Cylindrical Diaphragm Tweeter
CDU	Control Display Unit

CDV	Cooperative Distributed Vision
CE	Customer Edge device
CE	Contrast Enhancement
CEB	Compact Electronics Bay
CED	Capacitance Electronic Disc
CEO	Can't Execute Overclocking
CEO	Computer Energy Organizer
CES	Cabin Entertainment System
CES	Cirrus Extra Surround
CET	Cycle Electrical Test
CF	Conflict Free
CF	Compact Flash
CFC	Compact Flash Card
CFI	Can't Fix It
CFID	Cell Frequency Identification Device
CFS	Continuous Feed System
CFTP	Configurable Fault-Tolerant Processor
cfu	Custom Functional Units
CFW	Custom Firmware
CGA	Color Graphics Adapter
CGI	Cascading Gate Interaction
CGI	Common Gateway Interface
CGI	Computer Graphics Interface
CGMT	Coarse-Grained Multi-Threaded
CGPS	Communicative Global Positioning System
CGS	Color Graphics System
CH	Common Hardware
CHD	Compressed Hard Disk
CHIP	Coherent Holographic Integrating Processor
chs	Computer Hardware Servicing
CHS	Cylinder, Head, and Sector
CHT	Cylinder Head Temperature
CHUD	Computer Hardware Understanding Development
CI	Common Interface
CI	Configuration Interaction
CIA	CPU (Central Processing Unit) Intelligent Accelerator
CID	Computer Integrated Design
CIF	Component Interface Framework
CIM	Central Integration Machine
CIR	Current Instruction Register
CIRA	Computer Integrated Robotics Assembly
CISC	Complex Instruction Set Computer
CISP	Cellular Image Sensor Processor
CISS	Continuous Ink Supply System
CL	Closed Loop
CL	Classical Logic
CL	CAS (Column Address Strobe) Latency
CL	Controlled Load
CL	Clock Latency
CLASP	Closed Loop Analog Signal Processor

CLC	Central Logic Controller
CLC	Closed Loop Color
CLF	Cell Library Format
CLP	Color Laser Printer
CLU	Color Look-Up
Cm	Cassette Module
Cm	Camera Mouse
CM	Converter Module
CMD	Creative Mechanical Design
CMM	Color Management Module
CMOS	Complementary Metal-Oxide Semiconductor
CMP	Chip Multi-Processing
CMR	Clear Master Relay
CMU	Communication Management Unit
CMY	Cyan-Magenta-Yellow
CMYK	Cyan, Magenta, Yellow, Black
CN	Computer Number
CNC	Computer Nano-Controller
CNN	Chaotic Neural Network
CNR	Communications/Network Riser
CNTLR	Controller
CoA	Compliance Oriented Architecture
COAR	Consumption Of Available Redundancy
COAX	Coaxial
COBRA	COntrolled Boosting for Rapid response Applications
COLO	Colocation
COM	Computer Output on Microfilm
COM	COMmunications (port)
COM2	Communications Port 2
COMA	Cache-Only Memory Architecture
ComCam	COMputer CAMera
COMDEX	Computer Dealers Exposition
COMPASS	COMPuter ASSurance Conference
COMPUTER	Common Operating Machine Particularly Used For Trade Education And Research
COP	Controller Operating Properly
COP	Center Of Pen
COP	Coil on Plug
COP	CPU (Central Processing Unit) Overheating Protection
COTS	Commercial Off the Shelf Software
COW	Computer On Wheels
CP	Color Printer
CP	Computing Power
CP	Central Processor
CP	Control Panel
CPCI	Compact Personal Computer Interface
CPDM	Cathodic Protection Data Management
CPE	Customer Premise Equipment
CPI	Clocks Per Instruction
CPI	Computer to PABX Interface
CPI	Cycles Per Instruction

CPL	Characters Per Line
CPLD	Constant Pressure Loss Device
CPLD	Complex Programmable Logic Device
CPP	CPUs Per Process
CPPS	Central Payload Power Supply
Cps	Card Production System
Cps	Cassette Program Search
CPS	Clock Parallel-Serial
CPU	Central Processing Unit
CPU	Core Processing Unit
CR	Columbia Resin
CRAC	Computer Room Air Conditioning
CRB	Cut Resistant Breaker
CRDU	Cluster Remote Display Unit
CRI	Color Rendition Index
CRN	Computer Registration Number
CRS	Cluster Ready Server
CRT	Cathode Ray Tube (type of TV)
CS	Compensator Specification
CS	Chip Select
CSAC	Chip-Scale Atomic Clock
CSD	Constant Speed Drive
CSG	Compatable Stereo Generator
CSMA/CA	Carrier Sense Multiple Access/Collision Avoidance
CSMA/CD	Carrier sense multiple access / collision detection
CSOC	Configurable System on Chip
CSOS	Communications Switch Operating System
CSP	Converged Service Processor
CSP	Chipset Support Package
CSP	Completely Self-Protected
CSR	Control and Status Register
CSSN	Circuit State Sequence Number
CSSP	Chip-Sized SAW (Surface Acoustic Wave) Package
CSSR	Communications Systems Segment Replacement
CSTI	Control ST Bus Input signal
CSU	Channel Service Unit
CSVA	Composite to S-Video Adapter
CSVG	Constraint Scalable Vector Graphics
CSVM	Consensus Support Vector Machine
CSYNC	Clean Sync
CSYNC	Composite Sync
CT	Current Transformer
CT	Comfort Technology
CT	Color Touchscreen
CTCA	Compact Telecommunications Computing Architecture
CTD	Conner Tape Drive
CTF	Counter, Timer, and Frequency
CTO	Configure-to-Order
CTR	Core Transistor Register
CTR	Computer Tape Recorder

CTRB	Controllability
CTRC	Computer TRansCeiver
CTRK	Center Track
CTRL	Control
CTRST	Contrast
CTS	Consolidated Tape System (NYSE)
CTS	Clear To Send
CU	Control Unit
CU	Capacity Utilization
CULA	Control Unit Logical Address
CV	Compressed Video
CV	Computer Video
CVD	China Video Disc
CVM	Coherent Virtual Machine
CVR	Computer Voltage Regulator
CVT	Coordinated Video Timing
CW	Component-Wise
CYL	Cylinder
D	Diode
D-SUB	SUB-minature connector, D-shaped metal shield
DA-15	15-pin D-SUB (series D subminiature) connector
DAB	Device Adapter Board
DAC	Digital-to-Analog Conversion
DAC	Digital Audio Comunicator
DAC	Dual Address Cycle
DACCS	Digital Access Cross-Connect System/Switch
DACS	Digital Audio Control System
DAD	Digital Asset Distribution
DAE	Disk Array Enclosure
DART	Digital Audio Recording Technology
DAS	Dual Attachment Station
DAS	Distributed AML (Automated Media Libraries) Server
DAS	Data Acquisition System
DASD	Direct Access Storage Device
DASP	Dynamic Adaptive Speculative Preprocessor
DAT	Disk Access Time
DAT	Digital Audio Tape
DAVID	Digital Audio-Video Internet Device
DB-25	25-pin D-SUB (series D subminiature) connector
DBA	Direct Bus Access
DBC	Data Base Computer
DBCE	Dependence Based Checking Elision
DBDC	Digital Block Down-Converter
DBL	Dura Bright Light
DBM	Double Balanced Mixer
dBm	Decibel relative to one milliwatt
DBO	Develop Build Operate
DBUS	Data Bus
DC	Direct coupled
DC	Disconnect Code

DC	Disconnected
DC	Disconnect Confirm
DC	Data Center
DC-37	37-pin D-SUB (series D subminiature) connector
DCA	Direct Chip Attach
DCC	Direct Cable Connection
DCCC	Digital Command Card Controller
DCI	Display Control Interface
DCIM	Data Center Infrastructure Management
DCM	Data Connector Module
DCM	Digital Clock Manager
DCME	Digital Circuit Multiplexing Equipment
DCOD	Device Capability On Demand
DCOK	Direct Current power OK
DCP	Data Communications Processor
DCP	Data Collection Platform
DCP	Direct Current Power
DCP	Display Control Panel
DCP	Data Collection Processor
DCPB	Data Collection Proto Board
DCPI	Double Counts Per Inch
DCPU	Directory Central Processing Unit
DCR	Dynamic Commodore Retrievial
DCR	Digital Chart Recorder
DCR	Dynamic Color Rendition
DCS	Digital Color Separation
DCS	Digital Command Signal
DCS	Detector Control System
DCS	Distributed Control System
DCS	Distributed Computing Suite
DCS	Disk Cartridge System
dct	Digital Core Technology
DCTL	Discrete Coupled Transistor Logic
DD	Disk Drive
DD	Data Duplicator
DD	Discharged Dead
DD	Disk Data
DD	Disk Duplicator
DD	Double Density (floppy disk)
DD-50	50-pin D-SUB (series D subminiature) connector
DDA	Digital Differential Analyzer
DDB	Data Drain Bracelet
ddC	Dynamic Dimple Composite
DDC	Display Data Channel
DDC	Direct Digital Control
DDD	Dot Density Display
DDDI	Dual-fiber Distributed Data Interface
DDF	Disk Data Format
DDR	Double Data Rate
DDR	Double Density RAM (Random-Access Memory)

DDR	Digital Disk Recorder
DDR RAM	Double Data-Rate Random-Access Memory
DDR3	Double Data Rate 3
DDSD	Dual Sided Disk Drive
DDST	Double Disk Synergy Test
DE	Digital Environment
DE-9	9-pin D-SUB (series D subminiature) connector
DEA	Digital Entertainment Array
DEC	Darn Expensive Component
DEL	DELete key
DES	Data Encryption Standard
DEWI	Drilling Electronic Weight Indicator
DF	Dissipation Factor
DF	Disk Free
DF	Don't Fragment
DF	Dyna Flat
DFB	Distributed Feedback
DFM	Device Fault Manager
DFP	Digital Flat Panel
DFS	Dynamic Folding System
DFS	Distinct Formatted Sector
DFU	Device Firmware Update
DFU	Device Firmware Upgrade
DGC	Dedicated Graphics Chip
DGVA	Digital Variable Gain Amplifier
DH	Dual Head
DHE	Design Human Engineering
DIB	Dual Independent Bus architecture (Pentium Pro )
DIB	Data Input Bus
DICB	Data Interface Control Board
DID	Digital Information Display
DIDO	Digital In Digital Out
DIMM	Dual In-line Memory Module (computing)
DIP	Dual In-line Package (electronics)
DIP	Digital Input Platform
DIR	Digital Interface Receiver
DITA	Darwin Information Typing Architecture
DJ	Doesn't Jam
DKSN	Display Kinescope Standard Normalization
DKSN	Display Key Sensor Normalization
DLCI	data link connection identifier
DLP	Digital Light Processing
DLPM	Device Level Power Management
DM	Display Medium
DM	DRAM (Dynamic Random Access Memory) Module
DM	Distributed Memory
DM	Dialog Machine
DM	Digital Media
DMA	direct memory access (computer term)
DMAA	Direct Memory Access Architecture

DMAC	Direct Memory Access Controller
DMAIF	Direct Memory Access Interface
DMAT	Digital Music Access Technology
DMAU	Direct Memory Access Unit
DMB	Distributed Memory Bus
DMB	Desktop Mounting Bracket
DMBC	Distributed Memory Bus Computer
DMBR	Diagnostic Mode Bit Register
DMC	Digital Mechanical Construct
DMD	Device Master Data
DMG	Dot Matrix Graphics
DML	Distributed-Mode Loudspeaker
DMP	Dot Matrix Printer
DMP	Digital Media Port
DMP	Dual Module Player
DMR	Device Master Record
DMS	Database Managed Storage
DMS	Digital Media Storage
DMSS	Distributed Mass Storage System
DMX	De-MultipleXer
DMX	Digital Multiplexing
DNA	Digital Nonlinear Accelerator
DNL	Dynamic Noise Limiter
DOD	Drop On Demand
DOI	Distinction of Image
DoK	Disk on Key
DP	Decentralized Peripheral
DP	Data Pulse
DP	Display Picture
DP	Design Prototype
DPA	Dynamic Power Analysis
DPC	Daewoo Personal Computer
DPI	Dots per inch.
DPM	Dual Port Memory
DPPE	Device Power Policy Engine
DPPM	Defective Parts Per Million
DPS	Dual Power Source
DPS	Digital Pixel System
DPS	Device Power Supply
DPSRAM	Dual-Port Static Random Access Memory
DPU	Distributed Power Unit
DR	Data Recovery
DR	Dual Rotary
DRA	Dynamic Random Access
DRAC	Digital Ratio Adapter Controller
DRAC	Dell Remote Access Card
DRAM	Dynamic Random Access Memory (dee-ram) (computing)
DRAW	Declutter, Read, Assess, and Write
DRB	DRAM (Dynamic Random Access Memory) Row Boundary
DRCC	Digital River Command Console

DRI	Dynamic Range Increment
DRM	Dynamic RAM (Random Access Memory) Module
DRMD	Deployment Requirements Manning Documents
DRO	Digital Readout
DRP	Direct Repair Provider
DRPM	Dynamic Revolutions Per Minute
DS	Dual Screen (Nintendo gaming console)
DSA	Direct Screen Access
DSCF	Digital Storage Compact Flash
DSCM	Dell Server Configuration and Management
DSD	Double-Sided Disk
DSD	Dynamic Status Display
DSDD	Double-Sided Double-Density
DSDT	Differentiated System Description Table
DSK	Digital Sampler Keyboard
DSL	Digital Subscriber Line
DSLAM	Digital Subscriber Line Access Multiplexer (Module)
DSM	Dimensional Stereo Microphone
DSM	Device-Specific Module
DSOS	Dependable Systems Of Systems
DSP	Digital Signal Processors
DSR	Digital Signal Recorder
DSR	Data Set Ready
DSR	Device Set Ready
DSS	Digital Satellite System
DSS	Data Server Subsystem
DSS	Data Storage System
DSSA	Distributed System Security Architecture
DST	Distributed Server Technology
DSTI	Data Set-up Time bus Input signal
DSTN	Double-layer Super-Twisted Nematic
DSTO	Data Set-up Time bus Output signal
DSU	Data Service Unit
DT	Desk Top
DT	Developmental Testing
DT	Dust-Tight
DTA	digital transport adapter
DTC	Diagnostic Trouble Codes
DTC	Desktop Tactical Computer
DTE	Data Terminal Equipment
DTE	Digital Terminal Equipment
DTM	Dynamic Thermal Management
DTM	Device Type Manager
DTP	DeskTop Printer
DTU	Daily TuneUp
DU	Disk Unit
DUCK	Dialing-Up Connector Kit
DUCK	Dial Up Chat Kit
DVA	Direct Voltage Adapter
DVD	Dual View Display

DVD	Digital Versatile Disc
DVD RW	Digital Versatile Disk Rewritable
DVD,RW	Digital Versatile Disk Re-Writable
DVD-R	Digital Versatile Disk - Recordable
DVD-RAM	Digital Versatile Disk - Random Access Memory
DVD-ROM	Digital Versatile Disk - Read Only Memory
DVD-RW	Digital Versatile Disk Rewritable
DVI	Digital Video Interactive
DVI	Direct Video Input
DVM	Digital Video Manager
DVMA	Direct Virtual Memory Access
DVMT	Dynamic Video Memory Technology
DWA	Device Wire Adapter
DX	Digital Xchange
E	form E (break; make-before-make) contacts
EAAS	Environment Abnormality Automatic Shutdown
EAP	External Auxiliary Power
EAPA	Enhanced ATM Port Adapter
EAPP	Emulador Atari Para Palm
EASE	Enhanced Acoustic Simulator for Engineers
EASE	Electronic Access Systems Enhancement
EB	Ear Buds
EB	Error Bell
EBS	Amazon Elastic Block Store
ECC	Error Checking and Correcting
ECHO	Enhanced Computer-to-Human Output
ECL	Extended Control Logic
ECM	Error Correction Mechanism
ECM	Electronic Code Machine
ECN	Engineering Change Notice
ECP	Extended Capabilities Port
ECP	Enhanced Capability Port
ECR	Engineering Change Request
ECS	Expert Control System
ECSM	Effective Current Source Model
ECUS	EC2 Compute Units
ED	Engineering Design
ED	Extra-High Density
ED	Electrostatic Deflector
ED	Electrodeposited
ED	Enclosed Dust
EDA	Enterprise Digital Assistant
EDC	Electronic Digital Computer
EDCS	Electrical Drive and Control System
EDFA	Erbium-Doped Fiber Amplifier
EDG	Electronic Dot Generation
eDHR	Electronic Device History Record
EDIT	Emulsion Direct Imaging Technology
EDL	Electronic Differential Lock
EDO	Extended Data Output

EDO-RAM	Extended Data Output Random Access Memory
EDODRAM	Extended Data Out Dynamic Random Access Memory
EDR	Event Data Recorder
EDS	Electronic DIP Switch
EDSAC	Electronic Delay Storage Automatic Calculator
EEM	Embedded Event Manager (Cisco)
EEPROM	Electrically Erasable Programmable Read Only Memory
EF	Electronic Flash
EFD	Economic Flat Design
EFP	Exchange For Physicals
EGA	Extended Graphics Adapter
EGA	Enhanced Graphics Adapter
EIDE	Enhanced Integrated Drive Electronics
EIDE	Enhanced Integrated Device Electronics
EIE	External Interrupt Engine
EIEM	Effective I/O interruption Enablement Mask
EIRP	Effective Isotropic Radiated Power
EISA	Extended Industry Standard Architecture
ELCS	Equipment Load Carrying Subsystem
eLLB	eDAQ Low Level Board
ELM	Equipment Lifecycle Management
ELMB	Extended Local Monitor Board
ELMD	English Learning Mobile Device
ELP	E-Learning Platform
ELS	Electronic Locking System
ELS	Electronic Lighting System
EM64T	Extended Memory 64-bit Technology
EMC	Electromagnetic Compatibility
EMD	External Memory Drive
EMF	Electrical Malfunction Found
EMI	External Memory Interface
EMI	Energy Management Interface
eMMC	Embedded Multimedia Card
EMP	Engineered Metal Plate
EMP	Electromagnetic Pulse
EMS	Electronic Music System
EMS	Enhanced Memory Specification
EMS	Expanded Memory Specification
EMS	Expanded Memory System
EMT	Electrical Metal Tubing
EMT	Extended Memory Technology
EMTA	Embedded Multimedia Terminal Adapter
End	End key
ENIAC	Electronic Numerical Integrator And Computer
EOC	End of Cycle
EOS	Electrical Overstress
EP	Economy Printer
EPD	Equipment Protective Device
EPI	ESTA Protocol Interface
EPIC	Electrical Process Instrumentation Control

EPIC	Embedded Platform for Industrial Computing
EPIC	Explicitly Parallel Instruction CPU (Central Processing Unit)
EPIC	Enterprise Platform for Internet Computing
EPL	Electronic Parts List
EPLD	Erasable Programmable Logic Device
EPOC	Elevated Package Over Csp
EPON	Ethernet Passive Optical Network
EPOW	Early Power Off Warning
EPP	Enhanced Parallel Port (PC)
EPP	Enhanced Performance Profile
EPROM	Erasable Programmable Read-Only Memory
EPS	Energy Panel Structures
EPS	Electrical Power System
EPS	Electronic Programming System
EQPT	Equipment
ERDI	Enhanced Remote Defect Indication
ERIC	Enhanced Remote Insight Card
ES	Energy Saving mode
ESA	Extended Service Agreement
ESA	Extended Straight Attachment
ESB	Embedded Sensor Board
Esc	Escape key
ESC	Epson Standard Code
ESC	Electronic Speed Controller
ESC	Extended Systems Control
ESD	Electrostatic Discharge
ESDI	Enhanced Small-Device Interface
ESP	Emulex SCSI (Small computer System Interface) Processor
ESR	Equivalent Series Resistance
ESTO	Expert System for Tuning Optimizations
ESV	Expanded Scale Voltmeter
ETI	Experimental Theoretical Interface
ETM	Embedded Trace Macro cell
ETR	Estimated Time to Repair
ETSI	European Telecommunications Standards Institute
EUSB	EID Universal Serial Bus
EUSI	End-User Support Interface
EUSR	Embedded Ultrasonic Structural Radar
EUST	Enhanced User STation
EUW	End-User Workstation
EVD	Enhanced Versatile Disc
EVM	Electronic Voting Machine
EWSD	Electronic Worldwide Switch Digital
EXCA	Exchangeable Card Architecture
F	Flipflop
FA	Factory Automation
FACO	Fabrication, Assembly, and Checkout
FACP	Fire Alarm Control Panel
FADC	Fast/Flash Analog-to-Digital Converter
FASS	Family Acceptable Speaker System

FAT	Future Analog Technology
FB-DIMM	Fully-Buffered Dual In-line Memory Module
FBD	Fully Buffered DIMM (Dual Inline Memory Module)
FBGA	Fine Ball Grid Array
FBWC	Flash-Based Write Cache
FC	Fiber Channel
FC	Flow Cell
FCBGA	Flip Chip Ball Grid Array
FCFC	First Character Forms Control
FCPGA	Flip Chip Pin Grid Array
FCRAM	Fast-Cycle Random-Access Memory
FCT	Flow Control Token
FD	Flat Display
FD	Floppy Drive
FDC	Floppy Disk Controller
FDD	Floppy Disk Drive
FDD	Fast Direct Display
FDDI	Fiber Distributed Data Interface
FDI	fault detection and isolation
FDL	Fieldbus Data Link
FDS	Famicom Disk System
FED	Field Emission Display
FEPP	Front-End Power Processing
FERA	Fast Encoding and Readout ADC
FERET	Fast Encoding and REadout TDC
FET	Field Effect Transistor
FF	Flip-Flop
FFA	Failure to Function Adequately
FFP	Flat Front Projected
FFP	Fixed Function Pipeline
FHC	Free Hand Controller
FI	Field Instrumentation
FIBEX	Field Bus Exchange Format
FIM	Failure Identification Module
FIMA	Fault Isolation Maintainability Analysis
FIMATE	Factory Installed Maintenance Automatic Test Equipment
FIS	Frame Information Structure
FIT	Failures In Time
FK	Function Key
FL	Flourescent Lamp
FLA	Full Load Amperes
FLOPS	Billion Floating Point Operations Per Second
FMB	Flexible Mother Board
FMUP	Flash Memory Update Program
FOC	Fiber Optic Connector
FOC	Fiber-Optic Cable
FOLED	Flexible Organic Light Emitting Device
FOTA	Flash Over The Air
FOTA	Firmware Over the Air
FOUP	Front Opening Unified Pod

FP	Forward Projection
FP	Field Programmer
FP	Failure Probability
FP	Fast Processor
FP	Flat-panel
FPB	Full Power Balanced
FPB	Free Performance Boost
FPC	Flexible Print Circuit
FPDI	Flat Panel Display Interface
FPGAS	Field-Programmable Gate Arrays
FPM	Functional Programming Machine
FPM	Fast Page Mode (DRAM)
FPMS	Flat Panel Measurement System
FPP	Front Panel Programming
FPPA	Field Programmable Processor Array
FPPS	Fiber Patch Panel Shelf
FPS	Frames per second.
FPU	Floating Point Unit
FQ	Fluorescent Quintron
FR	Fujitsu RISC (Reduced Instruction Set Computing)
FRAM	Ferroelectric Random-Access Memory
FRC	Flat Ribbon Cable
FROM	Factory Read Only memoruy
FRS	Field Replaceable Unit
FSAA	Full Scene Anti-Aliasing
FSB	Front-Side Bus
FSB	Finite State Buffer
FSB	Fast Super Bus
FSDU	Free-Standing Display Unit
FSIP	Fast Serial Interface Processor
FSMD	Finite State Machine with Datapath
FSR	Feed Speed Rate
FST	Flatter Squarer Tube
FT	Field-trial
FT	Fault Tolerant
FTFR	First-Time Fix Rate
FTM	Flat Tension Mask
FTM	Fault Tolerant Machine
FTMA	Fault Tolerant Machine Architecture
FTMF	FirstTouch Multi-Function
FTMP	Fault-Tolerant Multi-Processor
FTMR	Functional Triple Modular Redundancy
FTS	Fault Tolerant System
FTSAA	ftServer Access Adapter
FTTB	Fiber To The Building
FUCKED	Failed Under Calibration; Known Electrical Defect
FUCT	Failed Under Continuous Test
FUMO	Firmware Update Management Object
FX	Faster and Xtended
G	form G (polar break; break) contacts

GAC	Global Assembly Cache
GARA	Globus Architecture for Reservation and Allocation
GATE	General Audio and Television Equipment
GB	Gigabyte
GBD	Ground Based Data
GBD	Ground Branch Director
GCC	General Computer Component
GD	Gigabyte Disk
GDC	Graphics Display Controller
GDI	Graphics Device Interface
GDP	General Data Processor
GEM	Generic Electronic Module
GFCI	Ground Fault Circuit Interruption
GFI	ground fault interrupter
GFT	General Failure Type
GIBI-	2 ^ 30
GIGA	Billion (10^9 or 2^30)
GIGI	General Imaging Generator and Interpreter
GIN	Gate Identification Number
GISM	Go Into Sleep Mode
GLM	Gigabit Linking Module
GLM	Great Little Microphone
GMII	Gigabit Media Independent Interface
GMR	Giant Magnetoresistive
GNDA	Analog Ground pin
GNDC	Chassis Ground pin
GNDD	Digital Ground pin
GNDI	Interface Ground
GNDI	Internal Ground pin
GNDM	Mechanical Ground pin
GNDO	Output Ground pin
GNDP	PLL Ground signal line
GNDQ	Output Buffer Ground pin
GOD	Global Orbiting Device
GOSIP	Government Open Systems Interconnection Profile
GP	Game Pad
GPGPU	General-Purpose computation on Graphics Processing Units
GPIB	General Purpose Interface Bus
GPIO	General Purpose Input/Output
GPM	Global Power Monitor
GPM	General Purpose Mouse
GPT	General Purpose Technology
GPU	Graphical Processing Unit
GPU	Graphics Processor Unit
GRC	Generic Reduction Computer
GRIT	Graphical Revolution Interface Technology
GRP	Gentoo Reference Platform
GRTD	Graphical Real Time Display
GS	Graphics and Sound
GSAP	General-Purpose Sample Analysis Processor

GTG	Gray-To-Gray
GTL	Gunning Transceiver Logic
GTM	Game To Monitor
GTO	Gate Turn Off
GUID	Globally Unique Identifier
GVP	Genesys Voice Platform
H	form H (break; break) contacts
HaaS	Hardware as a Service
HAC	Home Access Center
HACB	Host Adapter Control Block
HACCP	Hazard Analysis and Critical Control Point
HACMP	High Availability Cluster Multi-Processing
HAD	Hole Accumulated Diode
HADA	High Availability Disk Array
HAM	Host Accelerated Modem
HAM	Hybrid Access Memory
HARDW	Hardware
HAS	Height-Adjustable Stand
HASA	Handheld Audio Spectrum Analyzer
HAT	Hardware Address Translation
HBA	Host Bus Adapter
HC	Home Computer
HC	Hybrid Computer
HCA	Host Channel Adapter
HCD	Host Controller Driver
HCF	Host Controlled Family
HCF	High Cycle Fatigue
HCL	Hardware Compatibility List
HCPS	High Current Power Supply
HCT	High-speed CMOS (Complementary Metal Oxide Semiconductor) TTL (Transistor-Transnstor Logic)
HD	Hard Disk
HD	High Definition
HD	High Density
HD-DVD	High Definition Digital Versatile Disk
HDA	Head Disk Assembly
HDAD	Hybrid Digital Audio Disc
HDAD	High Definition Audio Device
HDAV	High Definition Audio Visual
HDC	Handle-to-Device Context
HDC	High Definition CODEC (CODer-DECoder)
HDC	Hard Drive Controller
HDCD	High Density Compatible Digital
HDCD	High Definition Compact Digital
HDD	Hard Disk Drive
HDD	Hub Direct Display
HDD	High Density Disk
HDD	High Density Diskette
HDI	Hard Drive Indicator
HDMI	High Definition Multimedia Interface
HDMI	High Definition Multimedia Input

HDO	Hard Disk Only
HDR	Hard Drive Repeat
HDS	High Density Storage
HDU	Hard Disk Unit
HDVS	High-Definition Video System
HEC	High-End Computer
HES	High-Efficiency Speaker
HET	High-End Timer
HFC	Hybrid Fiber Coaxial
HFS	Hardware Function Scan
HGA	Hercules Graphics Adapter
HGA	High-resolution video Graphics Adapter
HGFT	Hard Gear Finishing Tool
HHP	Hand Held Programmer
HI	Harmful Input
HID	high intensity discharge (electricity)
HID	Human Input Device
HIGH-RES	High Resolution
HIL	Hardware In Loop
HILS	Hardware-In-the-Loop Simulator
HIRES	High Resolution Echelle Spectrometer
HIT	Human Interface Technology
HLA	High-Level Architecture
HLB	High-Level Bus
HLCM	High Level Component Model
HLTD	High-Level Technical Design
HMD	Head-Mounted Display
HMDE	Hanging Mercury Drop Electrode (in Electrochemistry)
HMS	Hardware Memory Scrubber
HMSD	Helmet-Mounted Sight Display
HMSE	HMS (Hotel Management Software) Magnetic Stripe Encoder
HN	High Nit (luminosity)
HNA	Hitachi Network Architecture
HNAT	Host Network Address Translation
HNED	Home Network Entertainment Device
HO2S	Heated Oxygen Sensor
HOC	Horizontal Overscan Correction
HP	Horrible Products
HP	Hewlett Packard's
HP	Hot Plug
HPA	High Performance Array
HPA	High-Power Amplifier
HPA	High Performance Architecture
HPAS	High Performance Amplified Speaker
HPL	Hewlett-Packard LaserJet printer
HPM	Hot Plug Module
HPNA	High Performance Network Architecture
HPT	High Pressure Tin
HPU	Holographic Processing Unit
HQ	High Quality

HQT	High-Quality Television
HR	High Resolution
HRT	Hydraulic Retention Time
Hs	High Scan
HS	Heat Sink
Hs	Hyper Storage
Hs	Head-set
HS	High Speed
Hs	Hard Slot
HSB	High-Speed Bus
HSB	Heron Serial Bus
HSB	Hue, Saturation, Brightness
HSB	High Strength Bolt
HSD	Host Storage Domain
HSD	Home Satellite Dish
HSF	High Speed Fan
HSL	Hue, Saturation, and Lightness
HSN	Hardware Serial Number
HSP	High Speed Printer
HSP	Host Signal Processor
HSP	Head Set Profile
HSR	Hot Swap RAID (Redundant Array of Inexpensive Disks)
HSS	Home Subscriber Server
HSS	High Speed Serial interface
HST	High-Speed Technology
HSV	Hue, Saturation, and Value
HT	Hyper-Threading
HT	High-Technology
HT	Home Theater
HTM	Hierarchical Temporal Memory
HTPC	Home Theater Personal Computer
HTT	Human Touch Technology
HUD	Heads-Up Display
HUD	Humanitarian Use Device
HUI	Haptic User Interface
HUP	Hardware Upgrade Pricing
HVC	High-Voltage Cable
HVD	High-Voltage Differential
HVD	Holographic Versatile Disc (Optware)
HVE	Home Video Entertainment
HVGA	Half-size Video Graphics Array (640 by 240 pixels; 2.67:1 aspect ration)
HW	Hardware
HWARE	Hardware
HwB	Hardware Book
I	Indicator
I	Industry
I	Increment
I	Information
I	Independent
I	Iodine

I	Investment
I	Incorporated
I	Interlaced
I	Informative
I	Internet
I	Inventory
I	Inverted
I	Intensitie
I	Isoleucine
I	International
I	Injection
I	Interstate
I	Included
I	Interest
I	Inner
I	Inertia
I	Inclination
I	Incomplete
I	Intensity
I	Incubator
I	Incus
I	Indent
I	Incubate
I	Integrity
I	Incoherent
I	Incombustible
I	Increase
I	Indenter
I	Instruct
I	Inform
I	Infrared
I	Institute
I	Influenza
I	Influence
I	Index
I	Infinity
I	Inflame
I	Inclusion
I	Include
I	Illumination
I	Imaging
I	Inaccuracy
I	Illinois
I	Icing
I	Introduction
I	Instructor
I	Input
I	Inaccurate
I	Inactive
I	Inchon

I	Incident
I	Incisor
I	Incenter
I	Incendiary
I	Instructional
I	Inspection
I	Incandescent
I	Ingest
I2C	Inter-Integrated Circuit
IA	Information Appliance
IA	Interface Adapter
IA	Intel Architecture
IA	Internet Appliance
IA-32	Intel 32-bit Architecture
IA-64	Intel 64-bit Architecture
IAS	Immediate Access Storage
IB	Input Buffer
IB	Installed Base
IBC	Inter-Board Connector
IBC	Integrated Business Computers
IBE	Intelligent Buswidth Expander
IBF	iSCSI Boot Firmware
IBFT	iSCSI Boot Firmware Table
IBIS	Internet-Based Imaging System
IBT	InterBus Transformer
IC	Integrated Circuit
IC	Input Capture
IC	Industry Compatible
IC	Instrument Computer
IC	Ink Cylinder
IC	Internal Connection
IC	Insulation Contact
ICA	Interface Connector Assembly
ICBM	Intel Chip Based MacIntosh
ICC	Integrated Circuit Card
ICC	Intercomputer Channel
ICC	International Color Consortium
ICC	Intensified CCD (Charge-Coupled Device) Camera
ICE	In-Circuit Emulator
ICE	Integrated Control Equipment
ICE	Interactive Cooling Environment
ICMB	Intelligent Chassis Management Bus
ICOD	Instant Capacity On Demand
ICOM	Input, Control, Output, and Mechanism
ICP	Integrated Control Panel
ICS	Integrated Cable System
ICSS	Integrated Control and Safety System
ICT	Interconnected Computer Terminal
ICU	Input Capture Unit
ID	Intelligent Device

IDA	Intelligent Drive Array
IDB0	I/O Data Buffer register 0
IDB1	I/O Data Buffer register 1
IDCK	Input Data ClocK
IDCL	Inter-Domain Connector Loop
IDCU	Integrated Data Collection Unit
IDCU	Integrated Digital Carrier Unit
IDCU	Integrated Display Computer Unit
IDCY	Idle Cycle
IDD	Interface Design Description
IDE	Integrated Drive Electronics
IDES	Internet Demonstration and Evaluation System
IDIOT	Integrated Digital Input/Output Transmitter
IDP	Interactive Design and Prototyping
IDRC	IMPROVED DATA RECORDING CAPABILITY
IDS	Intrusion Detection System
IDS	Internal Detection System
IDSW	Identification Switch
IEC	Interrupt Enable Current
IED	Improvised Explosive Device
IEEE	Institute of Electrical and Electronics Engineers
IEEE-SA	Institute of Electrical and Electronics Engineers - Standards Association
IET0	Interrupt Enable Timer Bit 0
IET1	Interrupt Enable Timer Bit 1
IETF	Internet Engineering Task Force
IFCU	Interface Control Unit
IFP	Iriver Flash Player
IFPA	Intel Front Panel Audio
IFSF	International Forecourt Standards Forum
IFSR	Instruction Fault Status Register
IGBT	Insulated Gate Bipolar Transistor
IH	Instrument Height
IHD	In Home Device
IHS	Integrated Heat Spreader
IID	Integrated Information Display
IID	Ignition Interlock Device
IIS	Integrated Interchip Sound
IKT	Individual Keyswitch Technology
IM	IntelliMouse
IMA	Intelligent Machine Architecture
IMAC	Internet Macintosh
IMAR	Instruction Memory Address Register
IMB	Inter-Module Bus
IMB	Input Memory Buffer
IMBF	Intelligent Multi-Bin Feeder
IMCAS	Interactive Man/Computer Augmentation System
IML	Integrated Management Log
IMM	In-line Memory Module
IMMR	Internal Memory Map Register
IND	Indicator

INRW	INtegrated Read and Write
INTA	Interrupt Acknowledgement
INTR	Interrupt Request
IOA	Input/Output Assembly
IOC	Input/Output Controller
IOC	Input/Output Configuration
IOC	Input/Output Comparator
IOCC	input/Output Control Clock
IOCD	Input/Output Control Device
IOCH	Input/Output Controller Hub
IOCJ	Intumescent Optical Cable Jacket
IOCK	Input/Output loCK
IOCM	Input/Output Cisco Media controller
IOCM	Input/Output Control Matrix
IOCO	Input/Output COnformance
IOCP	Input/Output Control Processor
IOCU	Input/Output Control Unit
IOD	Integrated Optical Density
IODD	Input/Output Device Description
IODU/C	Input/Output Disk Unit / CD-ROM
IOI	Input Output Interface
IOP	Intensive Operational Period
IORV	Inadvertently Opened Relief Valve
IOTA	Input/Output Termination Assembly
IPA	Interaction Process Anlayzer
IPA	Intelligent Peripheral Adapter
IPAM	Information Pattern Aware Memory
IPC	Input Port Controller
IPD	Intelligent Pulse Decoding
IPF	Itanium Processor Family
IPMI	Intelligent Platform Management Interface
IPNG	Internet Protocol, Next Generation (now called IPv6)
IPO	Input Process Output
iPOI	intelligent Point of Interface
IPOS	Input Process Output Storage
IPRC	Internet Protocol Resource Card
IPS	Image Processing System
iPSC	Intel Personal Supercomputer
IPT	iPod touch
IPT	Internal Power Technology
IPV4	Internet Protocol Version 4
IPV6	Internet Protocol Version 6
IR	Intelligent Remote
IR	Interface Region
IRC	Internet Ready Computer
IRD	Integrated Receiver/Decoder
IRL	Integrated Reader Lock
IRM	InfraRed Monitor
IROC	Integrated Robustness On a Chip
ISA	Industry Standard Architecture

ISA	Input Signal Amplifier
ISB	Intelink Security Board
ISB	Instruction Stream Buffer
ISCO	Industry Smart Card Object
iSCSI	Internet Small Computer System Interface
ISD	Information Storage Device
ISDL	Instruction Set Description Language
ISDN	Integrated Services Digital Network
ISE	Integrated Storage Element
ISFP	In-System Flash Programming
ISIS	Image and Scanner Interface Specification
ISMD	Internet Service Management Device
ISP	Internal System Performance
ISP	Instruction Set Processor
ISTP	Individually Shielded Twisted Pair
ISU	Intelligent Switch Unit
ITA	Interface Test Adapter
ITAP	Integrated Test Analysis Processor
ITC	Instrumentation Tray Cable
ITD	Initial Time Delay
ITOS	Integrated Test and Operations System
IVP	Improved Version Podbot
IVP	Interactive Voice Processing
IVRS	Interactive Voice Response System
IWRC	Independent Wire Rope Core
IZE	Image Zone Express (HP)
JACK	Jack Audio Connection Kit
JAM	Joes Abstract Machine
JESSI	Joint European Submicron Silicon Initiative
JFC	Japanese Flash Card
JFET	junction field effect transistor
JLA	Jla Enterprises Technologies Integration
JLCC	J-Leaded Chip Carrier
JOHNNIAC	John von Neumann Numerical Integrator and Automatic Computer
JS	Joy Stick
JST	Java Server Toolkit
K6	AMD 6th generation microprocessor of 1997
KANO	An inexpensive computer kit (Not an acronym)
KARMA	Kay Algorithmic Realtime Music Architecture
kbps	kilobits per second
KCRT	Keyboard Cathode Ray Tube
KCS	Keyboard Controlled Sequencer
KCU	Keyboard Control Unit
Ki	2 ^ 10
KIBI-	2 ^ 10
Kim	Keep In Memory
KITT	Knight Industries Two Thousand
KLM	Key Lamp Module
KMJ	Keystone Modular Jack
KNOB	Kinetic Nullifying Overadjustment Button

KP	Killough Platform
KSJ	KeyStone Jack
KSJ-C5E	KeyStone Jack, Catategory 5E
KSR	Keyboard Send/Receive
KSS	Konami Sound System
KSS	Kuwait Standard Specification
KVL	Key Variable Loader
KVM	Kilobyte Virtual Machine
KVM	Keyboard, Video, Mouse switch
KVMP	Keyboard Video Mouse Peripherials
KYBD	Keyboard
KZ	Kol Zimrah
L	Left
L1	Level 1 cache
L2	Level 2 cache
LAD	Line Amplifying Device
LB	Low Battery
LBN	Logical Block Number
LBT	Little Black Thing
LC	Life-Cycle
LC	Light Casing
LCA	Logic Cell Array
LCC	Leadless Chip Carrier
LCD	Low Cost Display
LCD	Liquid Crystal Display
LCM	Liquid Crystal Monitor
LCN	Logical Cluster Number
LCT	Low Cost Technology
LD	Laser Disc
LDM	line driver modem
LE	Low End
LE	Latch Enable
LF	Lever Filler
LFD	Large Format Display
LG	Lucky Goldstar Corporation
LG	Light Guide
Li-ion	Lithium-ion rechargeable battery
LIF	Low Insertion Force
LIM	Linear Induction Motor
LIM	Line Interface Module
LIM	Logical Information Machines
LiMP	Linux Multi-media Player
LISW	Light-Induced Self-Written
LKG	Last Known Good
LLD	Low Level Design
LLDL	Low-Level Differential Logic
LLI	Low Level Interface
LMB	Local Monitor Board
LMI	Local Memory Interface
LMS	Laser Measurement System

LNB	Low Noise Block Converter
LO	Local Oscillator
LOC	Loss of Contrast
LOI	Local Operator Interface
LOP	Loss of Power
LoRes	Low Resolution
LOT	Limit of Technology
Low-Res	Low Resolution
lp	Long Playback
LP	Long Playing
LPCC	Leadless Plastic Chip Carrier
LPD	Laser Projection Display
LPM	Local Power Monitor
LPT	Line Printer
LRC	Longitudinal Redundancy Check
LRU	Line Replaceable Unit
LS	Lever Switch
LS	Left Solenoid
LS	Laser Servo (120)
LSB	least-significant bit
LSI	Large Scale Integration -> VLSI
LSOH	Low Smoke Zero Halogen
LT	Laptop That
lt	Laptop Travel
lt	Laptop Tracking
LT	Lamp Test
LTP	Logical to Physical
LUI	Live User Interface
LUN	Logical Unit Number
LVC	Low Voltage Cut
LVD	Low Voltage Differential
LVD	Liquid Vapor Display
LVDS	Low-Voltage Differential Signalling
LVG	Least Value Gate
LVI	Low-Voltage Interface
LVR	Longitudinal Video Recorder
LVS	Low Volume System
LVS	Layout VS Schematic
LWC	Laser Welded Cassette
LWSD	Large Wall Screen Display
LWSS	Local Web Storage Systems
LXI	LAN Extensions for Instrumentation
LZ	Landing Zone (on hard disc drive)
M	Memory
m	Monitor Bit
MAC	Metered Automatic Cartridge
MAD	MPEG (Motion Picture Experts Group) Audio Decoder
MAD	Magnetic Audio Device
MAGIC	Manual and Gaze Input Cascaded
MAM	Maintenance Assist Module

MAM	Memory Acceleration Mode
MAMS	Multimedia Asset Management System
MAPD	Marine Analog Power Display
MAPP	Matrix Array Picture Processor
MAR	Modified Aspect Ratio
MAT	Match/cyber
MB	Mouse Button
MB	Mother Board
MBC	Manual Boost Control
MBC	Mono Black Control
MBE	Male Both Ends
MBL	MicroComputer-Based Laboratory
MBM	Motherboard Monitor
MBP	Macbook Pro
Mbps	Megabits per second
MBps	Megabytes Per Second
MBS	Microprocessor Based System
MC	MultiMedia Card
MC	Memory Card
MCA	MicroChannel Architecture
MCB	Miniature Circuit Breaker
MCBF	Mean cycles between failures
MCC	Master Command Center
MCC	Mobile Computer Core (Antelope)
MCCB	Molded Case Circuit Breaker
MCD	Multi-Channel Desktop
MCD	Music Compact Disc
MCDST	Microsoft Certified Desktop Support Technician
MCGA	Multi-Color Graphics Array
MCIP	Multi-Channel Interface Processor
MCL	MicroChip Link
MCM	Multi-Chip Module
MCO	Motor Current Output
MCP	Media Communication Processor
MCS	Matched Component System
MCS	Modular Cable Splitter
MCSA	Motor Current Signature Analysis
MCSP	Model Controller Sense Pattern
MCU	Main Control Unit
MD	Multiple Device
MD	Memory Disk
MD	Mini-Disk
MDA	Monochrome Display Adapter
MDA	Machine Data Acquisition
MDA	Mobile Digital Assistant
MDAC	Multiplying Digital-to-Analog Converter
MDAP	Multiprocessor Document Allocation Problem
MDAP	Mobile Data Access Platform
MDC	mobile data computer
MDC	Modem Daughter Card

MDD	Mirrored Disk Drive
MDD	Mirror Drive Door
MDE	Major Design Element
MDF	Memory Device Failure
MDFR	Memory Device Failure Recovery
MDLA	Morphological Dynamic Link Architecture
MDM	Modular Digital Multitrack
MDO	Multidisciplinary Design Optimization
MDP	Main Distribution Panel
MDQS	Multiple Device Queueing System
MDR	Memory Disk Register
MDR	MIDAS (Maximum Integrated Data Acquisition System) Data Recorder
MDRE	Mode Delay Range Estimator
MDS	Mobile Display Systems
MDSS	Massive Data Storage System
MEBI-	2 ^ 20
MELF	Metal Electrode Face
MEM	Memory
MEM	Multiple-Entry Memory
MEMS	Micro-Electro-Mechanical System
MESI	Modified Exclusive Shared Invalid
MEWI	Midget Electronic Weight Indicator
MF	Matched Filter
MF	Medium Fast
MF	Mass Flowmeter
MFA	Multi-Function Actuator
MFD	Multi-Function Display
MFLOPS	Million Floating-Point Operations Per Second
MFM	Modified Frequency Modulation
MFP	Metal Fin Pipe
MFP	Mechanical Failure Prevention
MFP	Multifunction Printer
MFP	Multi-Function Peripheral
MFPM	Multi-Function Panel Meter
MFPM	Male-to-Female Panel Mount
MFPP	Multi-Fan Power Port
MGA	Matrox Graphics Adapter
MGA	Monochrome Graphics Adapter
MHN	Memory Hierarchy Network
MHP	Media Home Platform
MHP	Multimedia Home Platform
MHT	Medium and High Technology
MHZ	Megahertz (Megacycles Per Second)
MI	Mechanical Interlock
MI	Memory Information
MIA	Media Interface Adapter
MIA	Multiplex Interface Adapter
MICR	Magnetic Ink Character Recognition
MID	Mobile Internet Device
MIDAS	Musical Instrument Distributed Array Signal

MIDI	Musical Instrument Digital Interface
MIKE	Microphone
MIKE	Mouse Interface Keyboard Emulation
MIL	Medium Intensity Light
MIL	Malfunction Indicator Light
MIND	Media, Interface and Network Design
MIPS	Microprocessor without Interlocked Pipeline Stages
MIPS	Million Instructions Per Second
MIPS	Mobile Information Projection System
MIRL	Modular Integrated Reader Lock
MISO	Master in Slave Out
MISR	Multiple-Input Signature Register
MISU	Multiple Installation for Single Users
MJC	Motion Jitter Cancellation
MJW	Mobile Journalist Workstation
MK	Master Key
MKS	Mouse, Keyboard, Screen
MLAPS	Multi Light Addressable Potential Sensor
MLP	Multi-Level Platform
MLP	Multi-Layer Perceptron
MLS	Multi-Level Security
MM	Memory Management
MM	Mass Memory
MM	Multi-Mode
MMC	Multi-Miniature Capacitor
MMC	Multimedia Memory Cards
MMC	Maximum Material Condition
MMI	Multimedia Interface
MMIC	Monolithic Microwave Integrated Circuit
MMKT	Memory Module Kit
MMTW	Motorised Magnetic Tape Writer
MO	Manually Operated
MOB	Metal Outlet Box
MOBO	Motherboard
MOPS	Million Operations per Second
MOS	Maintenance Override Switch
MOS	Metal Oxide Semiconductor (FET Devices)
MOSC	Modified Original Smart Card
MOSFET	Metal-Oxide-Semiconductor Field-Effect Transistor
MOSS	Macintosh OS (Operating System) Startup Screen
MOST	Magneto-Optical Storage Technology
MOT	Microwave Oven Transformer
MOTS	Military Off-The-Shelf
MOU	Minutes of Use
MOUSE	Mechanically Operated User Signal Engine
MOUSE	Manually Operated User Selection Equipment
MOUSE	Move Objects U See Easily
MP	Middle Position
MPC	Multimedia Personal Computer
MPFM	Micro-Propulsion Feed Module

MPFS	Massive Portable Forensic Storage
MPIO	Multi-Path Input/Output
MPPH	My Private PHone (Android)
mpram	multiport random access memory
MPT	Message Passing Technology
MPW	Multi-Product Wafer
MQC	Multi-Quick Connector
MR	Modem Riser
MR	Masked ROM (Read Only Memory)
MR	Memory Recall
MRAM	Magneto-resistive Random Access Memory
MRC	Militarized Reconfigurable Computer
MRIO	Multiple Redundant Input/ Output
MRIP	Multiple Replications In Parallel
MRIP	Multiple Redundant I/O (Input/Output) Paths
MRL	Manual Retention Latch
MROC	Miniature Ruggedized Optical Correlator
MROnly	Maintenance Repair and Operations Only
MRP	Memory Restructure Procedure
MRS	Mechanical Release System
MRT	Military Ruggedized Tablet
MS	Memory Stick
MS	Memory Scrubbing
MS	Mass Storage
MSA	Memory Stick Audio
MSB	Most Significant Bit
MSB	Main SwitchBoard
MSC	Memory Stall Cycle
MSCB	MIDAS (Maximum Integrated Data Acquisition System) Slow Control Bus
MSCM	Multiple Slots on Continuation Mechanism
MSCQ	Maximum Storage Capacity Quantity
MSDS	Maintenance Service Docket Sticker
MSFC	Multilayer Switching Feature Card
MSI	Medium-Scale Integration
MSI	Man-System Integration
MSL	Maximum Segment Lifetime
MSN	Most Significant Nibble
MSR	Machine State Register
MSR	Maximum Sensing Range
MSS	Measurement and Stimulus Subsystem
MSS	Median Signal Selector
MSS	Maximum Segment Size (TCP/IP)
MSSK	Mobile Self-Service Kiosk
MST	Motor Switch Terminal
MST	Multi-System Test
MST	Micro-Sensor Technology
MST	Microcomputer Systems and Tools
MSTI	Miniature Sensor Technology Integration
MSTS	Multiple Spot Temperature Sensor
MSU	Micro-Static Unit

MSV	Memory Stick Voice
MSW	Machine Status Word
MSW	Microswitch
MT	Memory Type
MT	Magnetic Tape
MT	Mating-Type
MT	Multi-Technology
MTA	Modem Telephony Agent
MTA	Media Terminal Adapter
MTA	Multimedia Terminal Adapter
MTA	Multimedia Terminal Adaptor
MTBF	Mean Time Between Failures
MTF	Microsoft Tape Format
MTP	Multiple Time Programmable
MTR	Multi-Track Recorder
MTS	Modular Time System
MTS	Multi-Touch Switch
MTTR	Mean Time To Repair
MUF	Micro-Unit Frame
MUGU	Multi-User Game Unit
MUSIC	MUltiple SIgnal Classification
MUT	Monitor Under Test
MUTT	Multi-User Trivial Terminal
MVC	Multi-View Controller
MVP	MPEG Video Peripheral
MW	mega watts
MWDT	Medium Wide Data Tape
N	N connector
N64	Nintendo 64
NA	Non-Adaptive
Nac	network adapter card
NACA	Not A Clone Amplifier
NAD	Noise Adding Device
NADS	Network Attached DICOM Server
NAND	logical NOT AND
NAS	Network-Attached Storage
NBC	No Backwards Compatibility
NC	Non-Chargeable
NC	Noise Cancellation
NC	Network Computer (PC Internet)
NC	Not Connected
NC	Natural Casing
NCAP	Network Capable Application Processor
NCF	Non-Conducting Film
NCMV	Normally Closed Master Valve
NCO	Numerically Controlled Oscillator
NCPI	Network Critical Physical Infrastructure
NCQ	Native Command Queuing
ND	Network Device
NDBA	Non-Destructive Bit Arbitration

NDC	Nested Diagnostic Context
NDC	Number of Direct Connections
NDF	Normal Dispersion Fiber
NDF	No Defect Found
NDF	Non-Drop Frame
NDP	New Device Product
NDP	Numerical Data Processor
NDS	Nintendo Dual Screen
NDSP	Network Digital Signage Player
NDST	eNhanced Drive Self Test
NDT	Non-Destructive Test
NDU	Non Disruptive Update
NEC	Neutral Electromagnetic Coupler
NEPA	Never Expect Power At ....
NF	No Fault
NGI	Next Generation Identification
NGIP	New Generator Interconnection Policy
NGIP	Next Generation Information Platform
NGIS	Next Generation Interconnection System
NI	Non-Interlaced
NI	No Interface
NIC	Network Interface Card
NICAM	Near Instantaneous Companded Audio Multiplex
NIU	Not in Use
NKM	No Keyboard/Mouse
NLDM	Non-Linear Delay Model
NLI	Non-Linear Interface
NLI	Nakra Labs Interface
NMPM	Negative Magnetic Permeability Media
NMS	Non-Metallic Seal
NMUG	Nanaimo Macintosh User Group
NMUX	NMEA (National Marine Electronics Association) Multiplexer
NO	Normally Open
NO	Not Online
NOPE	Number Of Processing Elements
NOR	logical NOT OR
NOT	Negation (logical NOT)
NOVRAM	NOn-Volatile Random Access Memory
NPI	Not Plugged In
NPN	Negative-Positive-Negative transistor
NPR	Noiseless Portable Reflector
NPTH	Non-Plated Through Hole
NPUR	No Parts Used for Repair
NR	No Rewind
NRRR	Non-Return-to-Reference Recording
NRTS	Near Real-Time System
NS	Not Supported
NS	Network Simulator
NSA	Network Security Appliance
NSF	Non-Standard Facilities

NSSO	Networked Storage Solution Organization
NT	Network Terminal
NT	Non-Terminal
NTARS	Never Touch A Running System
NTE	Network Termination Equipment
NTFS	NT File System (new with Windows NT)
NTP	Numerous Time Programmable
NUS	Nintendo Ultra Sixty-four
NUT	Neurotech Unit Terminal
NVD	Nano-Video Disc
NVMHCI	Non-Volatile Memory Host Controller Interface Specification
NVRAM	NonVolatile Random Access Memory
O	Open
OAC	Output Audio CODEC (CODer-DECoder)
OB	Output Buffer
OB	Option Button
OC	Overclock (Over Clock)
OCF	Off-Center Fed
OCF	Open Computing Facility
OCR	Optical Character Reader
OD	Optical Disk
ODA	Open Development Architecture
ODC	optical disc cartridge
ODDE	Optical Disc Drive Emulators
ODM	Original Design Manufacturer
OE	Operating Environment
OE	Output Enable
OEM	Original Equipment Manufacturer (usually in reference to car parts)
OEM/OPM	Original Equipment Manufacturer/ ORIGINAL PARTS MANUFACTURER
OFC	Optical Fibre Cable
OHP	Overhead Projector
OHT	OverHead Transparency
OHV	OverHead Viewer
OIR	Online Insert and Removal
OIS	Open Interconnected System
OIT	Operator Interface Terminal
OLTE	Optical Line Termination Equipment
OMeR	Optical Music Easy Reader
OMR	Optical Music Recognition
OMS	Outage Management System
ON-PREM	on-premises
ONT	Optical Network Terminal
OOD	Other Output Drive
OOO	Out Of Order
OOPS	Out of Paper Sensor
OP	Open Plug
OP	Open Platform
op-amp	op-amp:operational amplifier
OPAC	Optimization Policies for Adaptive Control
OPAS	Optical Print Alignment System

OPB	On-Chip Peripheral Bus
OPC	Operator Presence Control
OPC	Optical Proximity Correction
OPGW	Overhead Power Ground Wire
OPH	Other People's Hardware
OPUS	Open Platform for Unlimited Signification
OPW	Optimal Performance Winding
ORA	Oscillator, Rectifier, and Amplifier
ORP	Open Runtime Platform
OSCAR	Optimally SCheduled Advanced MultiprocessoR
OSCAR	Optical Storage Compressed Audio Replay
OSCI	Octal Serial Communication Interface
OSD	Object Storage Device
OSD	On-screen System Display
OSI	Optimal System Integration
OSK	Operationally Soft Keyboard
OSSD	Output Signal Switching Device
OTA	Operational Transconductance Amplifier
OTE	Outside Thermal Exhaust
OTP	Open Telecommunications Platform
OTS	Overload Test Set
OUM	Ovonic Unified Memory
OVLO	Overvoltage-Lockout
OVS	Outdoor Viewing System
P	Processor
P2	Pentium II
P4	Pentium IV
P4-M	Pentium IV (laptop version)
P5	Pentium '586 CPU
PA	Power Amplifier
PA	Public Addresses
PA	Power Adapter
PAA	Personal Audio Amplifier
PABX	private automatic branch exchange (telephone)
PAC	Precision Air Conditioning
PAC	Physically Addressed Cache
PACS	Power-Aware Computer Systems
PAKL	Touch PAd, KeyLess
PAL	Phase Alternating Line
PAT	Portable Appliance Testbed
PAUT	Phased Array Ultrasonic Technology
PAW	Position Adjustable Workbench
PAW	Performance, Architecture, and Workload
PBF	PlumBum Free
PBI	Passive Backplane ISA (Industry Standard Architecture)
PBP	Passive Backplane PISA (PCI Industry Standard Architecture)
PC	Programmable Controller
PC	Printed Circuit (Card)
PC	Personal computer (host)
PC	Paper Cassette

PC/XT	Personal Computer/Extended Technology
PCB	Power Control Board
PCB	printed circuit board
PCCC	Programmable Controller Communications Code
PCE	Power Control Error
PCH	PCI (Peripheral Component Interface) Controller Hub
PCI	Peripheral Component Interface
PCI	Peripheral Communications Interface
PCI-E	Peripheral Component Interface (PCI) Express
PCIe	Peripheral Component Interface Express
PCL	Programmable CLock
PCM	punch card machine
PCMCIA	Personal Computer Memory Card International Association
PCP	Personal Control Panel
PCR	Program Clock Reference
PCS	Plastic-Clad Silica
PCS	Personal Coherent Source
PCTV	Personal Computer Television
PCU	Prolink Computer Unit
PCUFP	Packet Control Unit Functional Processor
PD	Projector Data
PD	Power Down
pd	pen drive
PD	Physical Device
PD	Power Driver
PDA	Personal Digital Assistant
PDA	Primary Digital Asset
PDA	Professional Diary Accessory
PDB	Palm Data Base
PDC	Primary Domain Controller
PDET	Portable Data Entry Terminal
PDG	Power Done Gone
PDP	Plasma Display Panel
PDP	Peripheral Data Processor
PDP	Physical to Digital to Physical
PDP	Programmable Data Processor
PDS	Processor Direct Slot
PDT	Portable Data Terminal
PDT	Page Deallocation Table
pdu	Programmable Delay Unit
PDU	Power Distribution Unit
pdu	Personal Data Unit
PE	Photo Eye
PE	Processor Element
PE	processing element
PE	Provider Edge device on a VPN
PECDS	Personal Electronics Computer Display System
PEL	Picture Element (a PIXEL)
PEM	Proton Exchange Membrane
PEMU	Panel-mount Environmental Monitoring Unit

PET	Personal Exploration Terminal
PET	Personal Electronic Translator
PEU	Port Expansion Unit
PFC	Power Factor Correction/Correcting
PFU	Paper Feed Unit
PGA	Professional graphics adapter
PGA	Pin Grid Array
PHC	Personal Home Computer
PHD	Permanent Head Damage
PHIB	PCI (Peripheral Component Interface)/ Hub Interface Bridge
PI	Packet Interface
PI	Parity Inner
PI	Platform Independent
PI	Processor Interface
PIA	Primary Interop Assembly
PIA	Peripheral Interface Adapter
PIB	Processor in A Box
PIC	Peripheral Interface Controller
PIC	Programmable Interrupt Controller
PIC	Polyethylene Insulated Cable
PIC	Physical Interface Card
PIC	Programmable Integrated Circuit
PICA	Parallel Integrated Chip Assembly
PICC	Programmable Interface Controller Chip
PICS	Platform for Internet Content System
PID	Physical Interface Device
PID	Packet Identifier Digital
PIHB	Payload Internet Hub Bridge
PII	Pentium II microprocessor
PII	Permanent Interface Identifier
PIII	Pentium III Microprocessor
PIL	Purple Indicating Light
PILR	Pin Interconnect LayeR
PILS	Plug-in and Interface Loading System
PIM	Parallel Inference Machine (FGCS, AI)
PIO	Programmed Input/Output
PIO	Processor Input/Output
PIP	Plug In Panel
PIP	Programmable Input Processor
PIP	Presence Information Panel
PIP	Peripheral Interchange Program
PIPT	Physically Indexed, Physically Tagged
PIR	Processor Information ROM (Read-Only Memory)
PISA	Portable Instruction Set Architecture
PIT	Point In Time copies
PIT	Programmable Interval Timer
PIV	Pentium IV Microprocessor
PIX	Private Internet Exchange
PJB	Personal Juke Box
PKB	Portable Keyboard Bench

PL	Pattern Loss
PL	Power Level
PL	Port Link
PLA	Programmable Logic Array
PLC	Programmable Linear Controller
PLCC	Plastic Leaded Chip Carrier (electronics)
PLIM	Physical Layer Interface Module
PLO	Please Leave On
PM	Peg Material
PM	Physical Memory
PMA	Pressurized Mating Adapter
PMBR	PIM (Protocol Independent Multicast) Multicast Border Router
PMC	PCI (Peripheral Component Interface) Mezzanine Card
PME	Power Management Event
PMPO	Peak Music Power Output
PMR	Perpendicular Magnetic Recording
PMS	Power Monitoring System
PMS	Processor-Memory-Switch
PMU	Power Management Unit
PNA	Personal Navigation Assistant
PND	Personal Navigation Device
PnP	Plug aNd Play
PNP	Positive-Negative-Positive
PNPN	Positive-Negative-Positive-Negative
POD	Pool Of Devices
PODS	Portable on Demand Storage
POF	Plastic Optical Fiber
POI	Production Optimization Interface
POMP	Peace-Of-Mind Port
POR	Power On Reset
POS	Programmable Option Select
POSI	POSItive
POST	power-on self test
POTS	Plain Old Telephone Service (FCW)
POTV	Pressure Operated Tester Valve
POWER	performance optimization with enhanced risc
POWERPC	Performance Optimized With Enhanced RISC Personal Computer
PPA	Parallel Port Adapter
PPC	Power Processing Chip
PPD	PostScript Printer Definition
PPI	Parallel Peripheral Interface
PPIC	ProLiant Power Interface Control (HP)
PPMIS	Private Plantation Management Information System
PPS	Parabolic Projection System
PR	Press and Release
PR	Pentium Rated
PRAM	Parallel Random Access Machine
PSL	Property Specification Language
PSOC	Programmable System-On-a-Chip
PSP	Pixel Standard Point

PSS	Power System Stabilizer
PSSN	Pocket-Sized Spiral Notebook
PSTN	Public Switched Telephone Network
PTH	Press To Heat
PTM	Positive Terminal Measurement
PTP	Paper Tape Punch
PTP	Paper Tape Perforator
PTPC	P-touch Label Printer for Personal Computer
PTPF	Previous Time Post-Fault
PTPS	Package Test Power Supply
PTPU	Program Tape Preparation Unit
PTT	Push to Talk Taster
PTT	Push to Talk Testing
PTT	Push to Talk Technology
PTU	Processor Timer Unit
PUAD	Power Unit Accesory Drive
PUE	Power Usage Effectiveness
PUN	physical unit number
PUT	Programmable Unijunction Transistor
PV	Picture Viewer
PVC	Permanent Virtual Circuit (ATM)
PVP	Parallel Vector Processor
PVR	Private Version Recorder
PVR	Parallel Volume Rendering
PVS	Passive Vision System
PVS	Passive Vulnerability Scanner
PVS	Personal Video Station
PWA	Printed Wiring Assembly
PWM	pulsewidth modulation
PWN	Power On
PXB	PCI EXpander Bridge
PXU	Peripheral Expansion Unit
Q	Transistor (circuit diagram marking)
QAV	Quantum Atlas V Hard Drive
QC	Quantum Computer
QC OK	Quality Control OK!
QCX	Quad Core Xeon (processor)
QED	Quiet Electronic Drive
QFEP	Quad Fast Ethernet PCI (Peripheral Component Interconnect)
QGD	Quad Gigabit hard Drive
QHD	Quad High Definition
QHM	Quadraphonic Headphones with Microphone
QHT	QR code Handy Terminal
QIC	Quarter Inch Cassette
QID	Quad Information Display
QIO	Quick Input/Output
QP	Quad Picture
QPA	Quad Port Acceleration
QPJ	QuickPanel Junior
QPM	Quad Port Module

QPS	QuadraPole Surround speaker
QQU	Quantum QHM (Quadraphonic Headphones with Microphone) USB (Universal Serial Bus)
QSI	Quad Serial Input/Output Card
QSIC	Quad Serial Input/Output Card
QSV	Quick Sync Video
QVP	Quad Video Processor
QWERTY	Standard computer or typewriter keyboard
QXU	Quad Expansion Unit
R	Reset
RACL	Reduced ASIC (Application Specific Integrated Circuit) Cell Library
RAID	Redundant Array of Inexpensive Disks
RAM	random-access memory
RAM	Reliability, Availability, and Maintainability
RAMM	Remote Access Memory Module
RAMP	Reliability-Aware MicroProcessor
RAPID	Read Ahead for Parallel Independent Disks
RAS	Row Access Strobe
RAS	Row Address Select
RAT	Robust Audio Tools
RAT	Recreated Analog Technologies
RB	ROM (Read-Only Memory) Boot
RBB	Receiver Breakout Board
RBBB	Really Bare Bones Board
RBI	Ripple Blanking Input
RC	Resistor-Capacitor
RC	Reserve Capacity
RCA	Radio Corporation of America
RCCB	Residual Current Circuit Breaker
RCD	Residual Current Device
RCD	RAS to CAS Delay time
RCOP	Runaway Conductor Overcurrent Protection
RCP	Remote Command Processor
RDAC	Redundant Disk Array Controller
RDC	Remote Data Collector
RDF	Repair Difficulty Factor
RDI	Receiver Data Interface
RDI	Raw Data Interface
RDM	Remote Device Managment
RDPP	Reconfigurable Data Path Processor
RDRAM	RAMBUS Dynamic Random Access Memory
RDT	Remote Display Terminal
RDT	Remote Data Terminal
REB	Radio Equipment Box
REB	Relocatable Equipment Building
REJASE	RE-using Junk As Something Else
REN	Remote Enable
RET	Resolution Enhancement Technology
RFA	Resident Flash Array
RFC	Residual Functional Capacity
RFI	Radio Frequency Interference

RFIC	Radio Frequency Integrated Circuit
RFT	Repeat Formation Tester
RGB	Red, Green, Blue
RGP	Residential Gateway Platform
RHA	Rectangular Hybrid Automaton
RIBS	Reston Internal Bus System
RIC	Reuters Instrument Code
RIHD	Remote Interactive over HDMI
RIMM	RAMBUS In-Line Memory Module
RIO	RAM (Random Access Memory) Input/ Output
RISC	Reduced Instruction Set Computer
RIU	Relay Interface Unit
RIUP	Remove Insert Under Power
RJ	Registered Jack
RJ-11	Registered Jack type 11 (4-wire connector)
RJ-45	Registered Jack type 45 (8-wire connector)
RKM	Rack-mount Keyboard and Monitor
RLDRAM	Reduced Latency Dynamic Random Access Memory
RLSD	Received Line Signal Detector
RMA	Returned Merchandise Authorization Number
RMM	Rack Mount Modem
RMP	Reprogrammable Micro Processor
RMTD	Rack Mounted Tape Drive
ROM	Read-Only Memory
ROMIC	Read Only Memory Integrated Circuit
ROT13	ROTate 13 encoding
RPCI	Reconfigurable PCI-BUS Interface
RPI	Request Progression Interface
RPM	Resale Price Maintenance. The UK Net Book Agreement, as was. Means by which retail prices are controlled by primary suppliers. (Alternatively, Revolutions Per Minute, as in engine speed and 78, 33 and 45 records. In years to come how many people will know
RPM	Revolutions Per Minute, (Rotations Per Minute)
RPMB	Replay Protected Memory Block
RPO	Recovery Point Objective
rPPS	Rate Proportional Processor Sharing
RPS	Rear Projection System
RPS	Rack Protection System
RPS	Remote Power Supply
RPSS	Redundant Power Supply System
RPU	Redundant Power Unit
RPU	Reconfigurable Processing Unit
RRBD	Really Really Big (disk) Drive
RS	Reset/Set
RS	Reset Key
RS-232	Recommended Standard 232 (EIA standard for transmitting serial data)
RS-422	Recommended Standard 422 (ANSI/EIA standard for transmitting serial data)
RS-423A	Recommended Standard 423A
RS-485	Recommended Standard 485
RSDL	Reverse Spiral Dual Layer
RSFC	Router Switch Feature Card
RSL	Rambus Signaling Level
RSPC	Restore Service Processor Configuration

RST	Reset Setup Time
RST	Reset Set Trigger
RST	Reset
RST	Reset System Through
RST	Reset Switch Connector
RT	Radio Tag
RT	Render Time
RT	Raw Tape
RTA	Real Time Analyzer
RTA	Real-Time Accumulator
RTAB	Right-handed flip-up TABlet
RTAD	Router ADapter
RTAP	Real-Time Applications Platform
RTAT	Repair Turn-Around Time
RTCC	Real Time Clock Chip
RTF	Run to Failure
RTFL	Real Time Fault Location
RTL	Register Transfer Language
RTM	Rear Transition Module
RTNI	Real-Time Non-Intrusive
RTP	Real-Time Plotter
RTP	Real-Time output Port
RTP0	Real-Time output Port bit 0
RTP1	Real-Time output Port bit 1
RTP2	Real-Time output Port bit 2
RTP3	Real-Time output Port bit 3
RTP4	Real-Time output Port bit 4
RTP5	Real-Time output Port bit 5
RTP6	Real-Time output Port bit 6
RTP7	Real-Time output Port bit 7
RTPB	Real-Time Primary-Backup
RTPM	Real Time Power Monitoring
RTPU	Real-Time Processing Units
RTU	Remote Transmitter Unit
RU	Rack Unit
RU	Reduction Unit
RVC	Rear Voice Coil
RVD	Remote Virtual Disk
RVD	Rainbow Versatile Disc
RVM	Remote Volume Mirror
RVM	Research Virtual Machine
RWM	Read-Write Memory
RWO	Real World Objects
RXE	Remote Expansion Enclosure
RXI	Read Expansion Input
RXM	Right Expansion Module
S	Switch
SA	Socket A
SACCS	Scalable Asynchronous Cache Consistency Scheme
SACD	Super Audio Compact Disc (Sony audio format)

SAM	Screen Activated Machine
SAM	Switch Adapted Mouse
SAN	Some Adjustment Necessary
SAP-1	Simple As Possible computer
SAPS	Stand Alone Power System
SAR	Successive Approximation Register
SAS	Serial-Attached SCSI
SAS	Self-Aware System
SAT	Site Acceptance Test
Sat Nav	Satellite navigation
SATA	Serial Advanced Technology Attachment
SB	Self-Booting
SBA	SideBand Addressing
SBC	SCSI (Small Computer System Interface) Bus Controller
SBC	Single Board Computer_home
SBR	SNES (Super Nintendo Entertainment System) Boot ROM (Read-Only Memory)
SBU	Static Build Unit
SC	Smart Card
SC	Solar Cell
SCA	Single Connector Assembly
SCAM	Sharp Color Active Matrix
SCAMA	Station Conferencing And Monitoring Assembly
SCART	Syndicat des Constructeurs d'Appareils Radiorécepteurs et Téléviseurs
SCF	Switched Capacitor Filter
SCGA	Single Cable Grip Attachment
SCI	Serial Communications Interface
SCI	Scalable Coherent Interface
SCI	System Control Interrupt
SCL	Serial Clock Line
SCR	Stripchart Recorders
SCR	System Clock Reference
SCRK	SeCurity RacK
SCSI	Small Computer System Interface
SCSI-2	Fast Small Computer System Interface
SCSI-3	Ultra Small Computer System Interface
SCU	Signal Control Unit
SCW	Sima ColorWriter
SD	Smart Disc
SD	Scan Disk
SD	SCSI (Small Computer System Interface) Device
SD	SAN (Storage Area Network) Disk
SD	Spin Down
SD	Small Dual in-line package
SD	Smart Drive
SDA	Semi-Digital Amplifier
SDA	Smartphone Digital Assistant
SDC	Single Board Computer
SDCP	Shared Diagnostic Control Panel
SDDS	Sony Dynamic Digital Sound
SDF	System Data Format

SDF	Standard Delay Format
SDFF	Semi-Dynamic Flip-Flop
SDHC	Secure Digital High Capacity
SDLC	Systems Development Life Cycle
SDLT	Super Digital Linear Tape
SDM3G13	Serializer and Deserializer Macro, 3.3GBits/second, 0.13 µm Technology
SDM3G14	Serializer and Deserializer Macro, 3.2GBits/second, 0.14 µm Technology
SDM6G13	Serializer and Deserializer Macro, 6.25 GBits/second, 0.13 µm Technology
SDN	Send Data Now
SDRAM	Synchronous dynamic random access memory
SDSF	System Display and Search Facility
SDU	Service Data Unit (ATM)
SE	Simple Electronics
SE	Single-Ended (TTL) driver
SEC	Single Edge Contact
SEC	Sector
SECAM	Séquentiel Couleur Avec Mémoire
SECC	Single Edge Contact Connector
SED	Surface-Conduction Electron-Emitter Display
SED	Secure Encryption Device
SEDA	Staged Event-Driven Architecture
SEM	SmartStream Encryption Modulator
SEPAM	Square D Electrical Protection and Monitoring
SEPP	Single Edge Processing Package
SER/DES	Serializer/ De-serializer
SESAME	Simulation of Embedded System Architectures for Multilevel Exploration
SFC	Static Frequency Converter
SFD	Super Floppy Drive
SFF	Small-Form-Factor
SFF	Safe Failure Fraction
SFP	Small Form Pluggable
SFS	Super Fast Server
SFTP	Shielded Foil Twisted Pair
SG	Signal Generator
SGD	Speech Generating Device
SGDG	Sahm Group Digital Media
SGE	SCSI (Small Computer System Interface) Gross Error
SGM	Second Generation Modem
SGRAM	Synchronous Graphics Random Access memory
SHA	SCSI (Small Computer System Interface) Host Adapter
SHA	Studio Headphone Amplifier
SHARC	Super HAward ARChitecture
SHD	Super High Definition Display
SHL	System Hazard List
SHUD	Statistics Heads Up Display
SI	Socket Interface
SI	Small Interface
SIAS	Standard Intel Architecture Servers
SIC	Simplified Instructional Computer
SIC	Supply Installation and Commissioning

SID	System Identifier
SIDA	Secure Identification Display Area
SIG	Single Input Graphics
SIM	Support Interface Module
SIM	Subscriber Identity Module
SIM	Single Inline Memory
SIM	System Insight Manager
SIM	Sub-Instrument Module
SIMD	Single Instruction Multiple Data
SIMM	Single In-line Memory Module
SIP	Single In-line Package
SIPM	Silicon Photomultiplier
SIPP	Stable Image Platform Program
SIPP	Single In-line Pin Package
SISD	Single-Instruction stream, Single-Data-stream
SIU	Sensor Interface Unit
SK	Sampling Keyboard
SKT	Sequential Kinking Terminal
SKT	Socket
SKU	Stock Known Unit
SL	Screen Length
SL	Shift Lock
SL	Screen Lock
SLC	Small Logic Controller
SLC	Signal Loss Compensator
SLI	Scalable Link Interface
SLI	Scan Line Interleaving
SLI	Scan Line Interlace
SLOT-1	Slot 1 Bus Connector
SLR	Scalable Linear Recording
SLT	Solid Logic Technology
SM	Smart Media
SMA	Surface Mount Assembly
SMA	SubMiniature version A
SMART	Sensible Multilateral American Response to Terrorism
SMB	System Management Bus
SMC	Surface-Mount Component
SMC	SCSI (Small Computer System Interface) Media Changer
SMC	Site Management Console
SMC	Smart Media Card
SMC	Surround Monitor Controller
SMD	Surface Mount Device
SMD	Super Magic Drive
SMD	Storage Module Device
SMI	System Management Interrupt
SMM	Surface Mount Module
SMND	Semiconductor Materials, Nanostructures & Devices
SMO	Servo Magneto Optical
SMP	Symmetric Multi-Processors
SMP	Shared Memory Parallel

SMPS	Scanning Mobility Particle Sizer
SMPS	Switched-Mode Power Supply
SMS	Small Memory System
SMS	System Managed Storage
SNc	Scalable Node Controller
SNI	Switch Network Interface
SNR	Signal-to-Noise Ratio
SO-J	Small Outline J-lead Dual In-line Package
SOA	Service-Oriented Architecture
SOC	Server Operations Center
SODIMM	Small Outline Dual Inline Memory Module
SOL	Serial Over LAN (Local Area network)
SOP	Special Order Parts
SOP	Standard Operating Platform
SOPC	System on Programmable Chip
SOS	Start-up Override Switch
SOSI	System of Systems Interoperability
SP	Single Processor
SP	Spare Parts
SP	Special Performance
SPADE	Spatialization and Auditory Display Environment
SPAM	Special Peripherally Assisted Microprocessor
SPAN	Super Passive Analyzer Node
Sparc	Scalable Processor Architecture Reduced Instruction Set Computer
SPARK	Small Parts Addition to Robotics Kit
SPAWAR	The Space and Naval Warfare Systems Command (SPAWAR), based in San Diego, is an echelon II organization within the United States Navy and Navy's technical authority and acquisition command for C4ISR (
SPC	Small Pic Computer
SPD	Surge Protection Device
SPDIF	Sony Phillips Digital Interface Format
SPDT	Signal Pole Double Throw
SPE	surface preparation equipment
SPE	Serial Parallel Expansion
SPI	Synchronous Parallel Interface
SPI	SCSI (Small Computer System Interface) Parallel Interface
SPI	Serial Peripheral Interface
SPIB	Serial Peripheral Interface Bus
SPICE	Single Pass Inkjet Color Engine
SPICE	Simulation Program with Integrated Circuit Emphasis
SPIs	Smart Plug-Ins
SPM	Scratch Pad Memory
SPOOL	Simultaneous Peripheral Operations On Line
SPORT	Serial Port
SPP	Scalable Parallel Processor
SPP	System Platform Processor
SPP	Snort Pre-Processor
SPS	Service Programming System
SPS	Serial Peripheral System
SPS	Sensor Port Signal conditioning
SPS	Speed Pad System
SPU	System Processing Unit (TAC-3)

spu	Stream Processing Units
SPU	Special Parts Used
SPU	Stored Power Unit
SPU	Sound Processing Unit
SPU	Stereo Pick-Up
SQM	Satellite Quality Monitor
SR	Side Release
SR	Superior Resolution
SR	Set Reset
SR	Screen Region
SRAM	Static Random Access Memory (ess-ram)
SRC	System Resource Controller
SRI	Service Reminder Indicator
SRMT	Self-Reproducing Machine Tool
SRT	Stepping Rate (for the processor)
SSA	Slot-to-Socket Adapter
SSA	Stereo Source Amplifier
SSD	Solid State Drive
SSD	SBD (Short Burst Data) Subscriber Device
SSD	Single Sided Disk
SSF	Single Sheet Feeder
SSFDC	Solid State Floppy Disk Card
SSI	Small-Scale Integration
SSIU	Sub-System Interface Unit
SSM	Solid State Memory
SSM	Screen Saver Machine
SSM	Synchronized State Machine
SSOP	Shrink Small-Outline Package
SSP	Single Streaming Processor
SSP	System Support Product
SSP	System Service Processor
SSPIE	Synchronous Serial Port Interrupt Enable bit
SSS	System/Subsystem Specification
SSS	Super Stereo Soundboard
SSS	System Surround Speaker
SSTA	Small System Technical Assistance
SSTV	Slow-Scan Television
SSW	Super Sub-Woofer speaker
ST	Secure Terminal
ST-V	Sega Titan Video
STB	Set Top Box
STC	System Time Clock
STC	Silicon Trigger Card
STDR	suspend-to-disk-and-RAM
STE	Section Terminating Equipment
STIM	Smart Transducer Interface Module
STK	Situation Track display
STM	Synchronous Transport Module
STP	Secret Tweaker Pad
stp	Shielded Twisted Pairs

STS	Squatters Tekno Soundsystem
STS	Scent Technology System
STV	STereo Video cable
SU	Suppressor
SU	Subunit
SVA	Stereo Variable Area
SVCD	Super Video Compact Disc
SVGA	Super Video Graphics Adapter
SVJ	Super Video Jack
SW	Switchboard Wound
SW	Switch
SWADL	Surface Acoustic Wave Delay Line
SWRD	Single Wire Return Device
SXB	Super Extended Bus
SXD	Single Crystal Diffractometer
SXP	Sablotron XPath Processor
SXS	S-by-S (a flash memory standard)
SYN	Synchronize Sequence Number
SYN	Synchronize
T	Transformer
T	vacuum Tube (circuit diagram marking)
T&B	Transmitter and Battery
ta	Terminal Adapter (ATM)
TACACS	Terminal Access Control Access Control System
TAF	Transfer Audio and Files
TAM	Twentieth Anniversary Macintosh
TAP	Test Access Port
TAP	Touch Activated Power
TASK	Tiny Application Sensor Kit (Intel computer R&D)
TASP	Towed-Array Signal Processor
tau	Terminal Adapter Unit
TAU	Thermocouple Attachment Unit
TB	Terabyte
TB	Tool Box
TBGA	Tape Ball Grid Array
TBP	Texas Bipolar PROM (Programmable Read Only Memory)
Tbps	Terabits Per Second
TCA	Telecommunications Computer Architecture
TCAM	Ternary Content Addressable Memory
TCM	Tandem Control Microprocessor
TCP	Tape Carrier Package
TCR	The Computer Room
TCS	Televic Conference System
TD	Transmit Data
TD	Tannoy Dimension speakers
TDD	Test Driven Design
TDMS	Terminal Data Management System
TDP	Thermal Design Power
TDR	Timeout Detection and Recovery
TEBI-	2^40 (prefix)

TEC	Total Entertainment Center
TEPBGA	Thermally Enhanced Plastic Ball Grid Array
TFF	T Flip-Flop
TFS	Team Foundation Server
TFT	The Friday Thing
TFT	Thin Film Transistor
TGK	Termination Grounding Kit
TGM	Tachyon Graphics Monitor
TGS	Tank Gauging System
THQA	Touch Hardware Quality Assurance
THT	Truly High Technology
THT	Token Holding Timer
Ti	2 ^ 40
TIA	Toner Image Applicator
TIA	Television Interface Adapter
TIPC	Texas Instruments Professional Computer
TIR	Total Internal Reflector
TiVo	Television In, Video Out
TJB	Telephone Junction Box
TLA	Tube Leveling Amplifier
TLC	Twist Lock Control
TLS	Three Line Scanner
TLU	Threshold Logic Unit
TM	Translation Memory
TM	Text Memory
TM	Turing Machine
TMCR	TPU (Time Processor Unit) Module Configuration Register
TMD	Tip Magnetic Drive
TMDE	Test Measurement and Diagnostic Equipment
TMI	Trigger to Midi Interface
TMR	Tunneling Magneto-Resistance
TMR	Triple Modular Redundant
TMR	Test, Measurement, and Results
TOAD	Toggle Only Actuated Device
TOLED	Transparent Organic Light Emitting Diode
TOM	Television Operation Machine
TOR	Time of Refreshing
TP	Thermal printer
TP	Twisted Pair
TP	Touch Panel
TPC	Tracks per Cylinder
TPC	Two-Point Connection
TPC	Two-Phase Commit
TPC	Threads Per CPU (Central Processing Unit)
TPH	Tele-Pod Head
TPI	Tracks Per Inch
TPI	Test Process Improvement
TPIG	3-prong PIGtail
TPM	Trusted Platform Module
TPMC	Telecom PCI (Peripheral Component Interface) Mezzanine Card

TPS	Total Platform Shutdown
TPU	Thermal Protection Unit
TRADIC	Transistorized Airborne Digital Computer
TRI	Toner Ribbon and Inkjet
TRS	Tip, Ring, Sleeve (cable)
TS	Temporary Storage
TS	Tip and Sleeve
TSA	Tilt Sensor Activation
TSC	Telecom Signaling Card
TSCC	TechSmith Screen Capture Codec
TSCU	Touch Screen Control Unit
TSI	Technical Specifications for Interoperability
TSIOA	Temporary Storage Input/Output Area
TSOPs	Thin small-outline packages
TSP	Time Series Processor
TSSOP	Thin Shrink Small Outline Package
TSV	Telephone Security and 6-way Video module
TT	Techno Terminal
TT	Teletype
TTA	The True Audio (CODEC)
TTF	Time To Fail
TTFF	Time To First Fix
TTL	Transistor-Transistor Logic
TTY	TeleTYpewriter
TU	Terminal Unit
TUD	Tatung Ulta-Dense Server
TUI	Tangible User Interface
TVA	Time Variant Amplifier
TVF	Telechip Voice File
TVL	TeleVision Lines (horizontal resolution)
TVM	Tape Volume Management
TVMS	Tape Volume Management System
TVSW	TeleVision SWivel mount
TXT	Trusted eXecution Technology (Intel)
U	Unwind tape
U	Integrated circuit (circuit diagram marking)
UAB	Universal Audio Board
UACU	User Adjustable Control Unit
UART	Universal Asynchronous Receiver/Transmitter
UBC	Unified Buffer Cache
UC	Unique Configuration
UCA	Utility Communication Architecture
UCR	Universal Console Redirect
UCS	Universal Classification Standard
UCU	Universal Control Unit
UDA	Unified Driver Architecture
UDB	Universal Desktop Box
UDD	Ultra DigiDrive
UDD	User Data Disk
UDD	User Defined Device

UDF	Upper Document Feeder
UDH	Universal Digital Housing
UDI	Unique Device Identifier
UDI	Unified Display Interface
UDMA/33	Ultra Direct Memory Access/33
UDO	Ultra Density Optical storage
UDTX	Universal Data Transceiver
UEPO	Unit Emergency Power Off
UF	Usable Feeder
UFC	Ultra-Fast Ceramic
UFD	USB (Universal Serial Bus) Flash Drive
UFS	Ultra-Fast Scan
UFSB	Universal Fast Setting Box
UFX	Universal Effects
UI	User Interface
UIM	Unit Information Modules
UKB	USB (Universal Serial Bus) KeyBoard
UL	Ultra-Latency
ULB	Universal Lighting Board
ULSI	Ultra-Large-Scale Integration
ULW	Ultra Long Word
UMA	Uniform Memory Access
UMA	Uniform Memory Architecture
UMD	Universal Media Disc
UMD	Uninterruptible Motor Drive
UMJ	Universal Modular Jack
UMK	User Maintenance Kit
UMLER	Universal Machine Language Equipment Register
UMPC	Ultra-Mobile Personal Computer
UMS	Universal Mass Storage
UNC	Uniform Naming Convention
UNIVAC	Universal Automatic Computer
UNW	UNiqueWare devices
UOK	USB (Universal Serial Bus) power OK
uP	Microprocessor
UPB	Universal Powerline BUS
UPL	Universal Price Label
UPS	Universal Port Serial
ups	Un-interruptable Power Supply
URA	Upper Removable Appliance
URD	Universal RAID (Redundant Array of Inexpensive Disks) Device
URE	Undetected Read Error
URE	Unrecoverable Read Error
URM	Universal Router Module
URP	Universal ROM (Read-Only Memory) Programmer
URP	Upper Receiver Parts
URPK	Upper Receiver Parts Kit
URPL	Upper Receiver Parts List
USART	Universal Synchronous/Asynchronous Receiver/Transmitter
USB	Universal Serial Bus

USCT	USB to Serial Cable "T" Adaptor
USI	Universal Serial Interface
USIB	Universal Storage Interface Bus
USIT	User System Interaction Technology
USRT	Universal Synchronous Receiver/Transmitter
USWC	Uncacheable Speculative Write Combining
UT	Unit Tape
UTA	Unified Test Architecture
UTL	Ultrasonic Tape Lamination
UTL	unable to lift
UTP	unshielded twisted pair
UU	Under-Used
UUI	Universal User Interface
UVC	Universal Virtual Computer
UVEPROM	UltraViolet Erasable Programmable Read-Only Memory
UVK	Universal Virtual Keyboard
UVLO	Undervoltage-Lockout
UVM	Universal Voice Module
UVS	Unified Virtual Storage
UXGA	Ultra Extended Graphics Array
UZE	Universal Z80 Engine
V	Valve (vacuum tube)
VAC	VPN Accelerator Card
VAM	VPN (Virtual Private Network) Acceleration Module
VAS	Vibration Absorbing System (engineering and design)
VAS	Voice Activated System (speech recording software)
VASIP	Value Added Services Integrated Platform
VBA	Valve Bass Amplifier
VBC	Valid Bit Controller
VBG	Vector Based Graphics
VBI	Vertical Blanking Interval
VBS	Volume Boot Sector
VCB	Vacuum Circuit Breaker
Vcc	Voltage Collector-to-Collector (transistors)
VCCI	Video CODEC Communication Interface
VCCT	Virtual Crack Closure Technique
VCD	Video Compact Disk
VCG	Voltage Control Guard
VCMS	Virtual Center Management Server
VCN	Virtual Cluster Number
VCO	Voltage Controlled Oscillator (Oscillation)
VCP	Video Cassette Player
VCR	video cassette recorder/player
VCTCXO	Voltage Controlled/Temperature Compensated Crystal Oscillator
VDS	Virtual DMA Services
VDS	Video Data Specification
VDSL	Very high bit-rate Digital Subscriber Line
VDT	Visual Display Terminal (a monitor)
VDU	Video Display Unit
VDU	Visual Display Unit

VESA	Video Electronics Standards Association
VF	Variable Frequency
VFR	Very Flippin Reliable
VGA	VGA (Video Graphics Array) Graphics Adapter
VGB	Video Graphics Board
VGD	Video Graphics Display
VGM	Viking Generic Memory
VHB	Very High Brightness display
VHDL	Vhsic Hardware Description Language
VHI	Video Hardware Interface
VHS	Video Home System
VHSIC	Very-High-Speed Integrated Circuit
VHT	Very High Temperature
VHT	Virtual Heat Treatment
VHX	VideoHighway Xtreme
VIC	Voice Interface Card
VID	Voltage Identification Digital
VIK	Virtually Indestructible Keyboard
VIP	Versatile Infrastructure Platform
VIS	Visual Identity System
VIS	Viewable in Screen
VIS	Viewable Image Size
VITA	Vme Industry Trade Association
VITA	VME International Trade Association
VIU	Video Interface Unit
VIVO	Video Input, Video Output
VKE	VHF (Very High Frequency) Keyless Entry
VKG	Viking Generic Memory
VKP	Vandal-resistant KeyPad
VL-BUS	VESA Local Bus
VLD	Virtual LAN Drive
VLH	Vendor Logo Hardware
VLM	Very Large Memory
VLSI	Very-Large-Scale Integration
VM	Virtual Machine
VMA	Virtual Memory Area
VMCK	Verto Memory Cooling Kit
VMD	Versatile Multilayer Disc
VMDD	Video Motion Detection Device
VME	Versacard Multibus Eurocard
VMF	VisionMount Flat Screen
VMF	Video Mixer/Fader
VMMTL	Virtual Memory Minimum Too Low
VMS	Volatile Memory Storage
VMU	Virtual Memory Unit
VNA	Von Neumann Architecture
VNC	Virtual Network Computer
VOB	Voice Over Broadband
VOM	Volt-Ohm Meter
VOP	Video Object Plane

VP	Visual Processor
VPA	Vodafone Personal Assistant
VPB	Virtual Power Back-up
VPC	Voice Processing Card
VPDU	Vertical Power Distribution Unit
VPN	Virtual Private Network (ATM)
VPS	Video Programming System
VPU	Voice Processing Unit
VQC	Vibrant Color Quality
VQEC	Voice Quality Enhancement Chip
VR	Vertical Reader
VR	Virtual RAM (Random Access Memory)
VRAM	Video Random Access Memory
VRB	VME READOUT BUFFER
VRE	Voltage Regulator Enhanced
VRE	Video Rack Enclosure
Vrms	Root-Mean-Square Voltage
VRT	Voice Recognition Technology
VRU	Video Reproducer Unit
VSAM	VME Smart Analog Monitor
VSAT	Very Small Aperture Terminal (satellite service)
VSE	Video Signal Enhancement
VSF	Variable Speed Feed
VSIC	Very Small Integrated Circuit
VSS	Virtual Surround Sound
Vss	Voltage Source-to-Source
VSWR	Voltage Standing Wave Ratio
VT	Video Terminal
VTFM	Virtual Tape Facility Mainframe
VTL	Virtural Test Laboratory
VTM	Videotek Monitor
VWA	Versa-Cleave Workstation Adapter
VXU	Vehicle Transceiver Unit
WACM	Wind Array Cascade Machine
WAMI	Wave And Midi
WAN	Wide Area Network
WAN1	Primary external Wide Area Network access port
WAN2	Secondary external Wide Area Network access port
WASS	Wide Area Storage System
wBB	WoltLab Burning Board
WBM	Wireless Bluetooth Module
WBSP	Wireless Baseband Signal Processor
WBVX	Wiper Blade for Canon LBP-VX printer
WCAE	Workshop on Computer Architecture Education
WCAE-2	2nd Workshop on Computer Architecture Education
WCAE-3	3rd Workshop on Computer Architecture Education
WCAE-4	4th Workshop on Computer Architecture Education
WCC	Web Cam Cone
WCD	Wang Coupled Device
WCE	Write Cache Enable

WCET	Worst Case Execution Time
WCM	Wireless Contact Monitor
WCRP	Wearable Computing Resource Page
WCRT	Worst-Case Response Time
WDHD	Western Digital Hard Drive
WDMC	Wireless Dream Machine Camera
WDOG	WatchDOG timer
WDPO	WatchDog Pulse Output
WDT	WatchDOG timer
WDU	Wall Display Unit
WDWS	Well Digger's WorkStation
WE	Write Enable
WEE	Waste Electrical Equipment
WEEE	Waste Electrical and Electronic Equipment
WEN	Write Enable
WFEB	Wire Free Electricity Base
WFFM	Wingman Force Feedback Mouse
WGVI	Wiring General Visual Inspections
WHAM	Wireless Hand-held Accessory Microphone
WHCL	Wolfpack Hardware Compatibility List
WHCV	Wire Harness Centric View
WHMO	Softview Ergonomic Whale Mouse
WHR	Watt Hours
Wi-Fi	Wireless Fidelity (IEEE 802.11)
WIA	Wearable Internet Appliance
Wii	Wireless Inter-Interface
WIKS	Wireless Interactive Keypad System
WiMAX	Worldwide Interoperability for Microwave Access, Inc.
WK	Wider Keyboard
WKB	Wasp KeyBoard
WKP	Wall-mount KeyPanel
WLED	White Light Emitting Diode
WLL	Wireless Local Loop
WLM-200	Omnidirectional Wireless Lavalier condenser Microphone
WLPA	Wideband Linear Power Amplifier
WLT	Wen Monitor, LCD, Touchscreen
WLT-15	Wen Monitor, LCD, Touchscreen, 15 inch
WMDL	Wall Mount DownLight
WMFO	Wall Mount Frame without Tray
WML	Wall Mount with Legs
WMNL	Wall Mount, No Legs
WMR	Wall Mount Rack
WMUD	Up/Down Wall Mount
WMUL	Wall Mount UpLight
WMY	Wall Mount Yoke
WNA	Wireless Network Adapter
WOM	Write Only Memory (a Joke From Stan Kelly-Bootle)
WORM	Write Once, Read Many times
WP	Write Precompensation (hard disc drive)
WPFH	WaterProof Fuse Holder

WPR	Wireless Portable Reader
WPSM	Warfighter Physiological Status Monitor
WRAM	Window Random Access Memory
WRT	Wireless Transmitter
WRT/R	Wireless Transmitter/Receiver
WSPM	Wafer Starts Per Month
WSTS	Well-Structured Transition Systems
WT	Write Through
WUF	Wafer Level Underfill
WUXGA	Wide Ultra eXtended Graphics Array
WVA	Wide View Angle
WWM	Wireless Wheel Mouse
WWTT	World Wide Touch Technology
WXB	Wide and fast PCI eXpander Bridge
WXGA	Wide Extended Graphics Array
WXI	Write Expansion Input
WXK	Keystone Jack faceplace
WXK-1	Keystone Jack 1-port Single Gang faceplace
WXK-2	Keystone Jack 2-port Single Gang faceplace
WXK-3	Keystone Jack 3-port Single Gang faceplace
WXK-4	Keystone Jack 4-port Single Gang faceplace
WXK-6	Keystone Jack 6-port Single Gang faceplace
WXT	Wireless Transmitter
WZU	Wireless Zoom Unit
X	Xbox
X	Horizontal axis (plotter X-axis)
X	Crystal (Xtal) (circuit diagram marking)
XA	Extended Architecture (MVS)
XA	Xopen Architecture
XAUI	eXtended Attachment Unit Interface
XCM	Extreme Card Manipulation
XDSS	Extreme Dynamic Sound System
XFP	Gigabit Small Form-factor Pluggable
XGA	eXtended Graphics Adaptor
XGS	XGameStation
XGS ME	XGameStation Micro Edition
XI	eXternal Interface
XK	Xtreme Keyboard
XKB	X KeyBoard
XKD	X-keys Desktop Keyboard
XM3	Roof-Mount XM Satellite Antenna
XMK	Transducer (X) Mounting Kit
XMMS	X MultiMedia System
XMS	Extended Memory Specification
XN 125	XaviaN 125-watt Loudspeaker
XP	Extreme Performance
XQ	Xilinx QPRO Series Configuration PROMs
XQR	Xilinx QPRO Series Radiation-Hardened Configuration PROMs
XRJ	XMULTIPLE Registered Jack
XRT	Xtremely Rugged Tablet

XT	Xtreme Technology
XT	Extended Technology
XTC	XFT (Exit Front Transition) Transition Card
XTC	X Time Controller
XTU	Intel® Extreme Tuning Utility
XVM	XML (Extensible Markup Language) Virtual Machine
XVT	X Virtual Terminal
XYP	X-Y Plotter
XYR	X-Y Recorder
Y	Vertical axis (plotter Y-axis)
YAP	Yet Another Platform
Yb	Yotta Byte
YDF	Ytterbium-doped Double-clad Fiber
YES	Yankee Entertainment Station
YES	Youth Entrepreneur Station
YIO	Y Input/ Output
YIQ	Luminance (Y), In-phase Quadrature (NTSC color space)
YUV	Luminance (Y), blue–luminance (U), red–luminance (V) (SECAM and PAL color spaces)
YXG	Yamaha XG SoftSynthesizer
Z	Zener diode
ZB	Zip Backup
ZBD	Zero Bright Dot
ZBT	Zero Bus Turnaround
ZBV	Z Backscatter Van
ZCM	Zenith Color Monitor
ZCR	Zero Channel Raid
ZCU	Zone Coder Unit
ZF	Zero Flag
ZHD	Zenith HDTV Antenna
ZIF	Zero Insertion Force (socket)
ZIP	Zanox Intelligent Provision
ZMB	Zero Memory Bytes
ZMF	Zero Mainframe Footprint
ZNG	Z39.50 Next Generation
ZP	Zinc Plated
ZPB	Z80A Processor Board
ZUD	Zero Unscheduled Downtime
ZVP	Zoomed Video Port
ZWS	Zero Wait State
ZX-81	Sinclair Timex personal computer, based on Z-80 microprocessor
µPILR	Micro Pin Interconnect LayeR
Π	(Greek letter Pi) Plaintiff