Almost Every Computer Related Abbreviation In One Place!


Things are getting shorter! In computing its not different. There are thousands of short forms of computer related words. If you would like to be a power user then you must have these short forms just right on your mind.

This abbreviations will help you to learn more about computer and its related accessories. when you are working with Dos command then you must have to use this kind of short forms. so no more manual computing, get those short forms and be a power user.

a-z computer related abbreviation
A :
AA        Auto Answer
AAB       All-to-All Broadcast
AAL       Asynchronous Transfer Mode Adaption Layer
AAP       Applications Access Point [DEC]
AAS       All-to-All Scatter
AASP      ASCII Asynchronous Support Package
AAT       Average Access Time
ABC    *  Atanasoff-Berry Computer  (First digital
          calculating machine that used vacuum tubes)
ABEND     Abnormal End
ABI       Application Binary Interface
ABIOS     Advanced BIOS
ABIST     Automatic Built-In Self-Test [IBM]
ABLE      Adaptive Battery Life Extender
ABR       Available Bit Rate
ABRS      Automated Book Request System [British Library]
ABS       Absolute
ABT       Abort
ABTS      ASCII Block Terminal Services
AC        Autocheck + Automatic Computer + Alternating Current
ACC       Accumulator
ACD       Automated Call Distribution +
          Automatic Call Distributor
ACDI      Asynchronous Communications Device Interface
ACE       Advanced Computing Environment [SCO] +
          Adverse Channel Enhancements [Microcom] +
       *  Automatic Computing Engine
ACF       Access Control Field +
          Advanced Communications Function
ACH       Automated Clearing House
ACIAS     Automated Calibration Interval Analysis System
ACIS      American Committee for Interoperable Systems
ACK       Acknowledgment
ACL       Access Control List
ACM       Association for Computing Machinery
          Audio Compression Manager [Microsoft]
ACMS      Application Control Management System
ACP       Ancillary Control Program +
          Auxillary Control Process
ACROSS    Automated Cargo Release and Operations
          Service System
ACS       Access + Access Control Set +
          Access Control System +
          Asynchronous Communication Server
ACTS      Automated Computer Time Service
ACTT      Advanced Communication and Timekeeping
          Technology [Seiko]
ACU       Automatic Calling Unit
A/D       Analog to Digital
ADA       Automatic Data Acquisitions + Programming
          Language named after Augusta Ada Lovelace)
ADB       Apple Desktop Bus
ADC       Adaptive Data Compression (protocol) [Hayes] +
          Add with Carry + Analog to Digital Converter
ADCCP     Advanced Data Communication Control Procedures
ADD       Automatic Document Detection [WordPerfect]
ADF       Automatic Document Feeder +
          Automatically Defined Function
.ADF      Adapter Description File (file name extension)
ADI       AutoCad Device Interface (driver)
ADL       Address Data Latch
ADLAT     Adaptive Lattice Filter
ADLC      Adaptive Lossless Data Compression [IBM] +
          Asynchronous Data Link Control
ADMACS    Apple Document Mangagement And Conrol System
ADMD      Administrative Management Domain [X.400]
.ADN      Add In Utility (file name extension)
          [Lotus 1-2-3] [LDC]
ADP       Automatic Data Processing
ADPCM     Adaptive Differential Pulse Code Modulation
ADR       Address
ADS       Application Development Solutions [AT&T] +
          Application Development System +
          Automatic Distribution System
ADSC      Address Status Changed +
          Adobe Document Structuring Conventions
ADSL      Asymmetrical Digital Subscriber Line
ADSR      Attack, Decay, Sustain, Release
ADT       Application Data Types
ADU       Automatic Dialing Unit
AE        Above or Equal
AEB       Analog Expansion Bus [Dialogic]
AF        Auxiliary carry Flag
AFA       Accelerated File Access
AFC       Automatic Font Change + Automatic Frequency Control
AFD       Automatic File Distribution
AFII      Association for Font Information Interchange
AFIRM     Automated Fingerprint Image Reporting and Match
AFIS      Automated Fingerprint Identification System
.AFM      Adobe Font Metrics (file name extension)
          [Adobe Systems]
AFP       Appletalk Filing Protocol [Macintosh]
AFS       Andrew File System (protocols)
AFTP      Anonymous File Transfer Protocol
AGC       Automatic Gain Control
AGRAS     Antiglare-Antireflective-Antistatic
AGU       Address-Generation Unit
AI        Analog Input + Artificial Intelligence
AIA       Applications Integration Architecture [DEC]
AIC       AIXwindows Interface Composer [IBM]
AIF       Audio Interchange Format
AIIM      Association for Information and Image Management
AIN       Advanced Intelligent Network [Bell Atlantic]
AIS       Automated Identification System [NCIC]
AISB      Association of Imaging Service Bureaus
AISP      Association of Information Systems Professionals
AIX       Advanced Interactive Executive [IBM]
ALC       Arithmetic and Logic Circuits +
          Automatic Level Control
ALE       Address Latch Enable
ALGOL     Algorithmic Oriented Language (see IAL)
ALIBI     Adaptive Location of Internetworked Bases
          of Information
ALINK     Active Link [HTML]
ALIWEB    Archie Like Indexing in the Web [Internet]
ALN       Asynchronous Learning Network
ALR       Advanced Logic Research, Inc.
ALT       Alternate (mode)
ALT.      Alternate lifestyle [USENET Newsgroup Category]
ALU       Arithmetic Logic Unit
AMANDDA   Automated Messaging and Directory Assistance
AMD       Active Matrix Display +
          Advanced Micro Devices, Inc.
AMI       American Megatrends, Inc.
AMMA      Advanced Memory Management Architecture
          [Everex Systems]
AMPS      Advanced Mobile Phone Service
ANCOVA    Analysis of Covariance
ANDF      Architecture-Neutral Distribution Format
ANI       Automatic Number Identification
.ANI      Animated Cursor (file name extension) [Microsoft]
ANN       Artificial Neural Network
.ANN      Annotations (file name extension) [IBM]
ANOVA     Analysis Of Variance
ANSI      American National Standards Institute
AO        Analog Output
AOCE      Apple Open Collaboration Environment
AOE       Application Operating Environment [AT&T]
AOL       America Online
AOS       Add Or Subtract
AP        Adjunct Processor + Application Processor
A/P       Accounts Payable
APA       Adaptive Packet Assembly +
          All Points Addressable +
          Arithmetic Processing Accelerator
APAR      Authorized Program Analysis Report [IBM]
APAREN    Address Parity Enable [IBM]
APCUG     Association of PC User Groups
API       Application Program Interface
APIC      Advanced Programmable Interrupt Controller (bus) [Intel]
APIS      Advanced Passenger Information System
APL       A Programming Language (Mathematics)
APM       Advanced Power Management [IBM OS2]
.APP      Application (file name extension) [R:Base]
APPC      Advanced Program-to-Program Communications [IBM]
APPI      Advanced Peer-to-Peer Internetworking
APPN      Advanced Peer-to-Peer Networking [IBM]
APPS      Applications
APRP      Adaptive Pattern Recognition Processing
APS       Advanced Photo System + Advanced Printing Service [IBM]
          Asynchronous Protocol Specification
APSE      ADA Programming Support Environment
APT       Address Pass Through +
          Advanced Parallel Technology +
          Automatically Programmed Tools
A/R       Accounts Receivable
ARA       AppleTalk Remote Access
ARAG      Antireflective-Antiglare
ARAS      Antireflective-Antistatic
.ARC      Archive (file name extension)
ARCA      Advanced RISC Computing Architecture
ARCnet    Attached Resource Computer Network
.ARJ      Compressed File (file name extension) [Jung]
ARL       Adjusted Ring Length
ARLL      Advanced Run Length Limited
ARM       Advanced RISC Machine (processor) +
          Annotated Reference Manual +
          Asynchronous Response Mode
ARMA      Association of Records Managers and Administrators
ARP       Address Resolution Protocol [Novell]
ARPANET   Advanced Research Projects Agency Network
ARPL      Adjust Requested Privilege Level
ARTA      Apple Real Time Architecture
ARTIC     A Real-Time Interface Copressor [IBM]
ARTS      Asynchronous Remote Takeover Server
ARTT      Asynchronous Remote Takeover Terminal
ARQ       Automatic Repeat Request
ARU       Audio Response Unit
AS        Autonomous System [Internet]
ASAP      As Soon As Possible +
          Automatic Switching And Processing
AS3AP     ANSI SQL Standard Scalable and Portable
.ASC      ASCII text (file name extension)
ASCII     American Standard Code for Information Interchange
ASIC      Application-Specific Integrated Circuit
ASIT      Advanced Security and Identification Technology
ASL       Adaptive Speed Levelling
ASLM      Apple Shared Library Manager [Macintosh]
.ASM      Assembler Source Language (file name extension)
ASMP      Asymmetric Multprocessing
ASN       Abstract Syntax Notation +
          Autonomous System Number
ASP       Association of Shareware Professionals
ASPI      Advanced SCSI Programming Interface [Adaptec]
ASPS      Advanced Signal Processing System
ASR       Address Space Register + Automatic Send-Receive +
          Automatic Speech Recognition
AST       AST Research, Inc. (named from first initials of
          the founders: Albert Wong, Safi Qureshey, Thomas Yuen)
AS/U      Advanced Server for Unix
ASYNC     Asynchronous
AT        Advanced Technology + Attention
ATA       Advanced Technology Attachment
ATDP      Attention Dial Pulse
ATDT      Attention Dial Tone
ATE       Automated Test Equipment
ATG       Advanced Technology Group
ATH       Attention Hang-Up (Modem command)
ATM       Adobe Typeface Manager +
          Asynchronous Transfer Mode +
          Automated Teller Machine
ATPS      AppleTalk Printing Services [Macintosh]
ATR       Automatic Terminal Recognition
ATS       Administrative Terminal System +
          Apple Terminal Services
AT&T      American Telephone and Telegraph
ATTN      Attention
ATTRIB    Attribute (also ATR)
ATZ       Attention Restore configuration profile from
          nonvolatile RAM (Modem command)
.AU       Audio (file name extension)
AUDIT     Automated Data Input Terminal
AUI       Attachment Unit Interface
AUP       Acceptable Use Policy [Internet]
AUTO      Automatic
AUTOEXEC  Automatic Execution
AUX       Auxiliary + (First Serial Port)
AV        Audio/Video + Audiovisual + Authenticity Verification
AVA       Audio Visual Authoring [IBM]
AVC       Audio Visual Connection [IBM]
AVG       Average
AVI       Audio Visual Interleave [Microsoft]
AVR       Automatic Voice Recognition
AWG       American Wire Gage
AWK       (Unix language named after its authors...
          Al Aho, Peter Weinberger and Brian Kernighan)
AWS       Advanced Workstations and Systems (group) [IBM]
AX        Architecture Extended + Automatic Transmission

B  :
BACP      Bandwidth Allocation Control Protocol
BAK       Binary Adaptation Kit [Microsoft]
.BAK      Backup (file name extension)
BAL       Basic Assembly Language
BALUN     Balanced Unbalanced (device)
BAM       Boyan Action Module
BARTS     Bell Atlantic Regional Timesharing
.BAS      Basic Language (file name extension)
BASH      Bourne Again Shell [Unix]
BASIC     Beginner's All-purpose Symbolic Instruction Code
BASM      Built-In Assembler
BAT       Block Address Translation
.BAT      Batch Processing (file name extension)
BBS       Bulletin Board System
BCC       Block Check Character
BCC:      Blind Carbon Copy
BCD       Binary Coded Decimal
B-CHANNEL Bearer Channel
BCL       Batch Command Language
BCN       Beacon
BCP       Best Current Practice + Bulk Copy Program
BCPL      Basic Computer Programming Language
BCR       Byte Count Register
BCS       Bar Code Sorter
BDA       Bios Data Area
BDE       Borland Database Engine [Borland]
BDOS      Basic Disk Operating System
BDR       Bus Device Request
BE        Below or Equal
BECN      Backward Explicit Congestion Notification
BEDO      Burst Extended Data Out
BEL       Bell
BELLCORE  Bell Communications Research
BERT      Bit Error Rate Test/Tester
BF        Bad Flag
B/F       Background/Foreground
BFF       Binary File Format [IBM]
BFT       Binary File Transfer
BGA       Ball Grid Array
BGCOLOR   Background Color [HTML]
BGE       Branch if Greater or Equal
.BGI      Borland Graphic Interface (file name extension)
BGP       Border Gateway Protocol
BGT       Branch if Greater Than
BHI       Branch if Higher
BHIS      Branch if Higher or Same
BI        Binary Input
.BIB      Bibliography (file name extension)
BiDi      Bi-Directional
BIM       Beginning of Information Marker
.BIN      Binary (file name extension)
BINAC   * Binary Automatic Computer
BIND      Berkeley Internet Name Domain
BIOS      Basic Input/Output System
BIS       Business Information System
BISDN     Broadband Integrated Services Digital Network
BIST      Built-In Self-Test
BIT       Binary Digit
BITNET    Because It's Time Network
BITNIC    Bitnet Network Information Center
BIU       Bus Interface Unit
BIX       Byte Information Exchange (BBS)
BIZ.      Business [USENET Newsgroup Category]
.BK!      Backup (file name extension) [WordPerfect]
.B~K      Backup (file name extension)
BKSP      Backspace
BL        Backlit + Bit Line
BLAST     Blocked Asynchronous Transmission (protocol)
          [Communications Research Group]
.BLD      BASIC Bload Graphics (file name extension)
BLE       Branch if Less or Equal
BLER      Block Error
BLK       Block
BLMC      Buried Logic Macrocell
BLOB      Binary Large Object
BLOS      Branch if Lower Or Same
BMI       Branch if Minus
BMIC      BusMaster Interface Controller [Intel]
BMP       Basic Mapping Support + Batch Message Processing Program
.BMP      Bitmap Picture (file name extension)
BNC       Bayonet Neill-Concelman (connector used with
          coaxial cable invented by Mr. Neill-Concelman)
BNE       Branch if Not Equal
BNF       Backus-Naur Form (also Backus-Normal Form) [developed by
          John Backus and Peter Naur]
BNS       Backbone Network Service
BO        Binary Output
BoB       Break-out Box
BOC       Basic Operator Console
BOF       Beginning Of File
BOM       Beginning Of Message
BOND      Bandwidth On Demand
BOOTP     Bootstrap Protocol [Internet]
BOPS      Billion Operations Per Second
BORPQU    Borland Pro Quattro
BORQU     Borland Quattro
BOS       Basic Operating System
BOT       Beginning Of Table + Beginning of Tape
BP        Base Pointer
BPB       BIOS Parameter Block
BPDU      Bridge Protocol Data Unit
BPI       Bits Per Inch
BPL       Branch if Plus
BPS       Bits Per Second + Bytes Per Second
BR        Bad Register
BRGC      Binary Reflected Gray Code
BRI       Basic Rate Interface + Brain Response Interface
BS        Backspace
BSAM      Basic Sequential Access Method
BSC       Binary Synchronous Communication
.BSC      Boyan Script (file name extension) [Boyan Communications]
BSCS      Bachelor of Science (Degree) in Computer Science
BSD       Berkely Software/Standard Distribution
BSF       Bit Scan Forward
BSI       British Standards Institute
BSR       Bit Scan Reverse
BSS       Block Started by Symbol
BSV       BASIC Bsave Graphics (file name extension)
BSY       Busy
BSYNC     Binary Synchronous Communications (protocol)
BT        Bit Test
BTAM      Basic Telecommunications Access Method [IBM]
BTB       Branch Target Buffer
BTC       Bit Test and Complement
BTOA      Binary To ASCII
BTP       Batch Transfer Program
BTR       Bit Test and Reset
BTS       Bit Test and Set
BU        Branch Unit
BUBL      Bulletin Board for Libraries [Janet]
BUF       Buffer
BVH       Base Video Handler
BWM       Block-Write Mode
B2X       Binary To Hexadecimal [REXX]
BYTE      Binary Element String

C   :
C         C Programming Language
.C        C source code (file name extension) [C]
CA        Collision  Avoidance
CAD       Computer Aided Design
CADD      Computer Aided Design and Drafting
CADE      Client/server Application Development Environment
CAE       Client Application Enabler +
          Common Applications Environment + Computer Aided Engineering
CAEX      Computer Aided Exploration
CAG       Column Address Generator
CAI       Computer Aided Instruction
CAL       Calendar + Computer Aided Learning
CAM       Common Access Method + Computer Aided Manufacturing +
          Contents Addressable Memory
CAN       Cancel
CAP       Carrierless Amplitude and Phase-Modulation +
          Central Arbitration Point +
          Communication Application Platform +
          Computer Aided Publishing
.CAP      Capture (file name extension)
CAPD      Computing To Assist Persons With Disabilities [Johns
          Hopkins University]
CAPS      Capitals (Upper Case Letters) +
          Cassette Programming System
CARL      Colorado Alliance of Research Libraries [Internet]
CAS       Column Address Select +
          Communications Application Specification +
          Computer Aided Styling
CASE      Computer Aided Software Engineering
CASL      Crosstalk Application Scripting Language [DCA]
CASS      Computer Assisted Search Service
CASSIS    Classified and Search Support Information System
CAT       Computer Aided Testing + Computer Aided Tomography +
          Computer Aided Transcription + Concatenate
.CAT      Catalog (file name extension)
CATS      Computer Assisted Training System
CAT SCAN  Computerized Axial Tomography Scan
CATV      Community Antenna Television (this was the original
          name for what is now known as Cable TV)
CAU       Controlled Access Unit
CAV       Constant Angular Velocity
CBC       Cipher Block Chaining
CBCR      Channel Byte Count Register
CBEMA     Computer and Business Equipment
          Manufacturers Association
CBGA      Ceramic Ball Grid Array
CBI       Computer Based Instruction
CBL       Computer Based Learning
.CBL      COBOL source code (file name extension)
CBMS      Computer-Based Mail System
CBR       Constant Bit Rate
CBT       Computer Based Training
CBW       Convert Byte to Word
CBX       Computer-Controlled Branch Exchange
CC        Cluster Controller
CC:       Carbon Copy
CCD       Charged-Coupled Device
CCFT      Cold Cathode Fluorescent Tube
CCI       Common Client Interface
CCITT     Comite Consultatif International Telegraphique et Telephonique/
          Consultative Committee for International Telegraph and Telephone
CCL       Connection Control Language
CCP       Console Command Processor
CCS       Common Command Set + Common Communications Services +
          Common Communications Support +
          Continuous Composite Servo
.CCS      Color Calibration System (file name extension)
CCSD      Cellular Circuit-Switched Data
CD        Carrier Detect + Change Directory +
          Collision Detection + Color Display + Compact Disk
C/D       Control Data
C2D       Character To Decimal [REXX]
CDA       Compound Document Architecture [DEC]
CDC       Control Data Corporation
CD_CHRDY  Card Channel Ready [IBM]
CD-DA     Compact Disk -Digital Audio
CDDI      Copper Distributed Data Interface
CDE       Common Desktop Environment + Complex Data Entry
CD-E      Compact Disk - Erasable
.CDF      Comma Delimited Format (file name extension)
CDFS      Compact Disc File System [Microsoft]
CD+G      Compact Disk plus Graphics
CD-I      Compact Disk - Interactive
CDIA      Certified Document Imaging Architect
CDL       Computer Design Language
CDMA      Code Division Multiple Access
CDMF      Commercial Data Masking Facility [IBM]
CD-MO     Compact Disk - Magneto Optical
CDOS      Concurrent Disk Operating System
CDPD      Cellular Digital Packet Data
CDR       Call Detail Record + Call Detail Recording
CD-R      Compact Disk - Recordable
CD-RDx    Compact Disk - Read Only Memory Data Exchange Standard
CDRL      Contract Data Requirements List
CD-ROM    Compact Disk - Read Only Memory
CD-RTOS   Compact Disk - Real Time Operating System
CDS       Current Directory Structure
CDSA      Common Data Security Architecture
.CDT      Corel Draw Template (file name extension)
CD-V      Compact Disk - Video
CD-WO     Compact Disk - Write Once
.CDX      Compound Index (file name extension) [Fox Pro]
CD-XA     Compact Disk - Extended Architecture
CE        Cache Enable + Chip Enable + Collision Elimination +
          Convert Enable
CEG       Continuous Edge Graphics
CEI       Conducted Electromagnetic Interference
CEMS      Constituent Electronic Mail System
CEOP      Conditional End Of Page
CERN      The European Particle Physics Laboratory (initials
          originally from Conseil European pour la Recherche Nucleaire)
CERT      Computer Emergency Response Team
CFB       Cipher Feedback + Configurable Function Block
.CFG      Configuration (file name extension)
CFM       Code Fragment Manager [Macintosh]
CFR       Computerized Facial Recognition
CFS       Caching/Common File System
CFV       Call For Votes [Bitnet]
CG        Control Gate
CGA       Color Graphics Adapter
CGE       Common Graphics Environment
CGI       Common Gateway Interface + Computer Generated Images +
          Computer Graphics Interface
.CGM      Computer Graphics Metafile (file name extension) +
          Graph (file name extension) [Lotus 1-2-3] [LDC]
CHAP      Challenge-Handshake Authentication Protocol
CHAR      Character
CHAT      Conversational Hypertext Access Technology [Internet]
CHCK      Channel Check
CHCP      Change Code Page
CHDIR     Change Directory
CHFN      Change Finger [Unix]
CHGRP     Change Group
.CHK      CHKDSK (file name extension)
CHKDSK    Check Disk
CHMOD     Change Mode
CHOWN     Change Owner
CHP       Chapter
CHR       Character
CHRP      Common Hardware Reference Platform
CHS       Cylinder Head Sector
CI        Component Interface
CIA       Current Instruction Address
CIAC      Computer Incident Advisory Capability
CICS/VS   Customer Information Control System/
          Virtual Storage [IBM]
CID       Charge-Injection Device +
CIDR      Classless Inter-Domain Routing
CIF       Common Interchange/Intermediate Format +
          Crystallographic Information File +
          Customer Information Feed
CIM       CompuServe Information Manager +
          Computer Integrated Manufacturing
CIO       Chief Information Offier
CIOCS     Communication Input/Output Control System
CIP       Command Interface Port
CIR       Committed Information Rate
CIRC      Circular Reference +
          Cross-Interleaved Reed-Solomon Code
CIS       Card Information Structure + Client Information System +
          CompuServe Information Service +
          Computer Information Systems + Contact Image Sensor +
          Customer Information System
CISC      Complex Instruction Set Computing
CIT       Computer-Integrated Telephony
CIX       Commercial Internet Exchange +
          Compulink Information Exchange
CJLI      Command Job Language Interpreter
CKD       Count Key Data (device)
CLAR      Channel Local Address Register
CLASS     Client Access to Systems and Services +
          Cooperative Library Agency for Systems and Services +
          Custom Local-Area Signaling Services
CLC       Clear Carry Flag
CLD       Clear Direction Flag
CLI       Call-Level Interface + Clear Interrupt Flag +
          Command Line Interface
CLIST     Command List
CLK       Clock
CLNP      Connectionless Network Protocol
CLOS      Common Lisp Object System
CLP       Cell Loss Priority + Constraint Logic Programming
.CLP      Clipboard (file name extension) [Windows]
CLS       Clear Screen
CLTP      Connectionless Transport Protocol
CLTS      Clear Task Switch Flag
CLUI      Command Line User Interface
CLUT      Color Look-Up Table
CLV       Constant Linear Velocity
CM        Centimeter + Control Mark + Corrective Maintenance
CMA       Concert Multi-thread Architecture
CMC       Common Mail Calls + Common Messaging Calls +
          Communication Mangement Configuration +
          Complement Carry Flag +
          Computer-Mediated Communication [Internet]
.CMD      Command (file name extension)
CMF       Creative Music Format
CNIDR     Clearinghouse for Network Information and
          Discovery and Retrieval [Internet]
CMIP      Common Management Information Protocol
CMIS      Common Management Information Services/System
CML       Conceptual Modelling Language +
          Computer Managed Learning + Current Mode Logic
CMM       Capability Maturity Model
CMMS      Computerized Maintenance Management Software
CMMU      Cache/Memory Management Unit [Motorola]
CMOS      Complementary Metal-Oxide Semiconductor
CMOV      Conditional Move
CMP       Compare + Computer
CMPS      Compare word String
CMS       Code Management System + Compiler Monitor System +
          Conversation Monitor System
CMVC      Configuration Management Version Control [IBM]
CMW       Compartmented Mode Workstation
CMY       Cyan-Magenta-Yellow (color model)
CMYK      Cyan-Magenta-Yellow-Black (color model)
CNA       Certified NetWare Administrator [Novell]
CNAPS     Co-Processing Node Architecture for Parallel Systems
CNC       Computerized Numerical Control
CNE       Certified NetWare Engineer
.CNF      Configuration (file name extension)
CNG       Calling (tone)
CNI       Certified Novell Instructor [Novell]
CNIDR     Clearinghouse for Networked Information and Retrieval
CNN       Composite Network Node
CNSS      Core Nodal Switching Subsystem [Internet]
.CNT      Contents (file name extension)
CNV       Conventional (pertaining to Memory)
CNVT      Convert
CNX       Certified Network Expert
CO        Central Office + Command Output + Convert Out
COB       Chip-On-Board
.COB      COBOL source code (file name extension)
COBOL     Common Business-oriented Language (See HLL)
.COD      Code List (file name extension)
CODASYL * Conference on Data System Languages (Group that
          designed COBOL)
CODE      Client-Server Open Development Environment
CODEC     Coder/Decoder + Compression/Decompression
COEM      Commercial Original Equipment Manufacturer
COFF      Common Object File Format [Unix]
COGO      Coordinate Geometry (Programming Language)
COL       Collision + Computer Oriented Language
COLD      Computer Output to Laser Disk
COLL      Collision
COM       Commercial (organization Domain name) [Internet] +
          Common Object Model [Microsoft]
.COM      Command (file name extension)
COM1      First serial Port (asynchronous port)
COM2      Second serial Port
COM3      Third serial Port
COM4      Fourth serial Port
COMDEX    Computer Dealers Exposition
COMET     Cornell Macintosh Terminal Emulator
COMP      Compare + Communications
COMP.     Computers [USENET Newsgroup Category]
COMSAT    Communications Satellite Corporation
CON       Console (includes Keyboard and Screen)
COND      Condition
CONFIG    Configuration
CONS      Connection-Oriented Network Service
CONTONE   Continuous Tone
CORBA     Common Object Request Broker Architecture
CoREN     Corporation for Research and Enterprise Network
COS       Compatible Operating System
COSE      Combined Office Standard Environment +
          Common Open Software/Systems Environment
COSMIC    Computer Software Management and Information
          Center [NASA]
COSMOS    Computer System for Mainframe Operations
COSS      Common Object Services Specification
COTS      Commercial Off-The-Shelf
CP        Copy Protected
CPA       Certified Public Accountant
CPC       Constant Point Calculation
CPCS      Check Processing Control System [IBM]
CPE       Central Processing Element +
          Customer Premise Equipment +
          Customer Provided Equipment
.CPE      Cover Page (file name extension)
CPG       Clock Pulse Generator
CPI       Characters Per Inch + Clock Per Instruction +
          Common Programming Interface [IBM]
.CPI      Code Page Information (file name extension) [MS-DOS]
CPI-C     Common Programming Interface for Communications [IBM]
CPIO      Copy In and Out [Unix]
CPL       Current Privilege Level
.CPL      Control Panel (file name extension)
CP/M      Control Program for Microcomputers [Digital Research]
CPS       Characters Per Second + Cycles Per Second
CPT       Command Pass Through
CPU       Central Processing Unit
CR        Carriage Return
CRAM      Cyberspatial Reality Advancement Movement
CRC       Cyclic Redundancy Check
.CRD      Cardfile (file name extension)
CREN      Computer Research Education Network +
          Corporation for Research and Education Networking
CRF       Cable Retransmission Facility + Cross Reference File
CRI       Color Reproduction Indices
CR/LF     Carriage Return/Line Feed
CROM      Control Read Only Memory
CRT       Cathode Ray Tube
CRTC      CRT Controller
CS        Chip Select + Clear to Send + Code Segment
C/S       Client/Server
CSA       Calendaring and Scheduling API [IBM]
CSAR      Channel System Address Register
CSCW      Computer Supported Cooperative Work
CSD       Circuit-Switched Data +
          Computer Services Department +
          Corrective Service Diskette [IBM]
CSDS      Packet Switched Data Service
CSE       Certified System Engineer
CSFI      Communication Subsystem For Interconnection
CSG       Constructive Solid Geometry +
          Consulting Services Group [Lotus]
CSI       Command Sequence Introducer + CompuServe Incorporated
CSID      Call Subscriber ID
CSL       Computer Sensitive Language
CSLIP     Compressed Serial Line Interface Protocol [Internet]
CSM       Communications Services Manager
CSMA/CA   Carrier Sense Multiple Access/with Collision Avoidance
CSMA/CD   Carrier Sense Multiple Access/with Collision Detection
CSMS      Customer Support Management System
CSN       Card-Select Number
CSNET     Computer Science Network
CSO       Central Services Organization
CSP       Certified Systems Professional +
          Commercial Subroutine Package +
          CompuCom Speed Protocol [CompuCom]
CSPDN     Circuit Switched Public Data Network
CSS     * Continuous System Simulator (Language)
CSS       Cascading Style Sheets [Microsoft] +
          Contact Start-Stop
CSSM      Client-Server Systems Management [IBM]
CSTA      Computer-Supported Telephony Applications
CSU       Channel Service Unit
CSV       Circuit-Switched Voice +
          Comma-Separated Value/Variable +
          Common Services Verbs (interface) [Microsoft]
C&T       Chips and Technologies
CTB       Cipher Type Byte
CTC       Channel To Channel
CTCP      Client-To-Client Protocol
CTI       Computer-Telephony Integration
CTOS      Computerized Tomography Operating System +
          Convergent Technologies Operating System
CTPA      Coax-to-Twisted-Pair Adapter
CTRL      Control
CTS       Clear To Send
CTSS    * Compatible Time Sharing System
CUA       Common User Access [IBM]
CUB       Cursor Backward
CUD       Cursor Down
CUE       Custom Updates and Extras (card) [Egghead Software]
CUF       Cursor Forward
CUI       Character-Oriented User Interface +
          Common User Interface [IBM]
CUP       Cursor Position
CUPID     Completely Universal Processor I/O Design [AST]
.CUR      Cursor (file name extension)
CUT       Control Unit Terminal
CUTE      Clarkston University Terminal Emulator
CUU       Cursor Up
CVF       Compressed Volume File
CVGA      Color Video Graphics Array
CVIA      Computer Virus Industry Association
CVT       Convert
CVW       CodeView for Windows
CWD       Convert Word to Double Word +
          Change Working Directory [Internet]
CWIS      Campus Wide Information Service/System [Internet] +
          Community Wide Information Service/System [Internet]
C2X       Character To Hexadecimal [REXX]
CYL       Cylinder
CYMK      Cyan-Yellow-Magenta-Black (color model)

D   :
D/A       Digital to Analog
DAA       Data Access Arrangement +
          Decimal Adjust for Addition
DAC       Data Acquisition and Control +
          Digital to Analog Converter
DAD       Desktop Application Director [Borland]
DAI       Distributed Artificial Intelligence
DAL       Data Access Language [Apple Computer] +
          Disk Access Lockout
DAM       Data Acquisition and Monitoring
DAO       Data Access Object [Microsoft]
DAP       Data Access Protocol [DEC] +
          Developer Assistance Program
DARI      Database Application Remote Interface [IBM]
DARMS     Digital Alternate Realization of Musical Symbols
DART      Digital Audio Reconstruction Technology
DAS       Decimal Adjust for Subtraction +
          Dual-Attached Station
DASD      Direct Access Storage Device
DAT       Digital Audio Tape + Disk Array Technology
.DAT      Data (file name extension)
DATACOM   Data Communications
DAV       Digital Audio-Video
dB        Decibel
DB        Data Base + Data Buffer
dBA       Adjusted Decibel
DBCS      Delivery Bar Code Sorter + Double-Byte Character Set
.DBF      Database (file name extension)
DBIS      Dun & Bradstreet Information Services
DBM       Data Base Manager
DBMS      Data Base Management System
DBS       Data Base Server
DB2       Database 2
DC        Data Collection + Data Communication + Data Control +
          Device Control + Direct Current
D2C       Decimal To Character [REXX]
DCA       Digital Communications Associates +
          Document Content Architecture [IBM]
DCAF      Distributed Console Access Facility [IBM]
DCAM      Direct Chip Attach Module
DCB       Device Control Block + Disk Coprocessor Board [Novell]
DCC       Digital Command Control + Digital Compact Cassette +
          Direct Cable/Client Connection + Display Combination Code
DCD       Data Carrier Detect
DCE       Data Circuit-Terminating Equipment +
          Data Communications Equipment +
          Distributed Computing Environment [OSF] +
          Distributed Computing Equipment
DCED      Distributed Computing Environment Daemon
DCF       Data Communication Facility [IBM] +
          Data Compression Facility +
          Data Count Field [IBM] +
          Driver Configuration File [Lotus]
D-CHANNEL Data Channel
DCI       Display Control Interface
DCL       Data Control Language + Declaration +
          DEC Command Language [DEC] +
          Device Clear + Digital Control Logic +
          Digital Command Language [Digital]
DCP       Digital Light Processing [TI]
DCS       Data Collection System + Data Control System +
          Desktop Color Separation + Distributed Control System
DCT       Discrete Cosine Transform
.DCT      Dictionary (file name extension)
DD        Day + Digital Display + Double Density
DDA       Distributed Data Access + Domain-Defined Attribute
DDB       Device Dependent Bitmap + Device Descriptor Block
DDC       Digital Data Channel [VESA] + Display Data Channel
DDCMP     Digital Data Communications Message Protocol [DEC]
DDC1      Display Data Channel One
DDCS      Distributed Database Connection Services [IBM]
DDD       Data Definition Language + Direct Distance Dialing
DDE       Direct Data Entry + Dynamic Data Exchange [Microsoft]
DDEML     Dynamic Data Exchange Manager Library [Microsoft]

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Top One: Almost Every Computer Related Abbreviation In One Place!
Almost Every Computer Related Abbreviation In One Place!
Top One
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