400+ Computer Abbreviations and Acronyms in Alphabetical Order


Computer abbreviations are the most used terms nowadays and it’s increasing. We should introduce ourselves with these computer abbreviations and acronyms. For that reason we provide a large number of abbreviations and acronyms of the computer below:

Computer abbreviations

SLAbbreviationsFull Meaning
13GLThird Generation Language
24GLFourth Generation Language

Computer Abbreviations (A)

SLAbbreviationsFull Meaning
1ACDAutomatic Call Distributor
2ACKAcknowledgement
3ADTAbstract Data Type
4ADSLAsymmetric Digital Subscriber Line
5AGPAdvanced Graphics Port
6AIArtificial Intelligence
7ALGOLAlgorithmic Language
8ALUArithmetic Logic Unit
9AMAmplitude Modulation
10AMDAdvanced Micro Devices
11AMPAsymmetric Multi-Processing
12ANSIAmerican National Standards Institute
13APDUApplication Protocol Data Unit
14APIApplication Program Interface
15APTAutomatically Programmed Tools
16ARPANETAdvanced Research Project Agency Network
17ASCIIAmerican Standard Code for Information Interchange
18ATAdvanced Technology
19AT & TAmerican Telephone and Telegraph
20ATMAutomatic Teller Machine, Asynchronous Transmission Mode
Computer abbreviations
Computer abbreviations

Computer Abbreviations (B)

SLAbbreviationsFull Meaning
1BASICBeginner’s All-purpose Symbolic Instruction Code
2BBSBulletin Board System
3BCDBinary Coded Decimal
4BCSBangladesh Computer Society Bangladesh Computer Samity
5BERNETBangladesh Education and Research Network
6BINDBerkeley Internet Name Domain
7BIOSBasic Input-output System
8BIPBusiness information
9BISDNBroadband Integrated Services Digital Network
10BitBinary digit
11BOOTPBootstrap Protocol
12bpsBits per second

Computer Abbreviations (C)

SLAbbreviationsFull Meaning
1CADComputer-Aided Design
2CADMATComputer-Aided Design Manufacture and testing
3CAIComputer-aided information
4CALComputer-aided Learning
5CAMComputer-Aided Manufacturing
6CASContent Addressable storage
7CASEComputer-Aided Software Engineering
8CATVCommunity Antenna Television
9CBTComputer-Based Training
10CCDCharge-Coupled device
11CCITTConsultative Committee of International Telegraphy and Telephony (Now called ITU-T)
12CDCompact Disk
13CD-ROMCompact Disk-Read Only Memory
14CGAColor Graphics Adapter
15CISCComplex Instruction set Computer
16CMMUCache Memory Management Unit
17CMOSComplementary Metal Oxide Semiconductor
18COBOLCommon Business Oriented Language
19CODASYLCommittee on Data Systems Language
20COMDEXCOMputer Dealers Exposition
21CP/MControl Program for Microcomputers
22CPICharacters Per Inch
23CPUCentral Processing Unit
24CRCarriage Return
25CRCCyclic Redundancy Check
26CRENConsortium for research and Education Network
27CRTCathode Ray Tube
28CSMA/CDCarrier Sense Multiple Access with Collision
29CSPDNCircuit Switched Public Data network
30CSRConnected Speech Recognition
31CUControl Unit
32CWRConnected Word Recognition

Computer Abbreviations (D)

SLAbbreviationsFull Meaning
1DASDDirect Access Storage Devices
2DATDigital Audio Tape
3DAVDigital Audio Video
4DBAData Base Administration
5DBMSData Base Management System
6DCADocument Content Architecture
7DCEData Circuit-termination Equipment
8DCLData  Control language
9DDEDirect Data Entry, Dynamic Data Exchange
10DDLData Description Language, Dynamic Data Library
11DDSDigital Data Service
12DECDigital Equipment Corporation
13DFDData Flow Diagram
14DIPDual In-Line Package
15DLCData Link Control
16DMADirect Memory Access
17DMLdata Manipulation Language
18DMSDigital Metropolitan Service
19DNSDomain Name System
20DOSDisk Operating System
21DPData Processing
22dpidots per inch
23DQDBDistributed Que Dual Bus
24DRData Register
25DRAMDynamic Random Access Memory
26DSLData Sub-Language
27DSPDigital Signal Processor
28DSSDecision Support System
29DTEData Terminal Equipment
30DTPDesk Top Publishing

Computer Abbreviations (E)

SLAbbreviationsFull Meaning
1E-mailElectronic Mail
2EAREntity-Attribute-Relationship
3EBCDICExtended Binary Coded Decimal Interchange Code
4ECMAElectronic Data Interchange for Administration, Commerce, and Transport
5EDPElectronic  Data Processing
6DEVACElectronic Discrete Variable Automatic Computer
7EEPROMElectrically Erasable Programmable Read Only Memory
8EFTElectronic Funds Transfer
9EFTPOSElectronic Funds Transfer at POint of Sale
10EGAEnhanced Graphics Adapter
11EIAElectronic Industries Association
12EISAEnhanced Industry Standard Architecture
13EMIElectro-Magnetic Interference
14EMSExpanded Memory Specification
15ENIACElectronic Numerical Integrator and Calculator
16EOFEnd-of-File
17EPROMErasable and Programmable Read Only Memory
18ESDIEnhanced Small Device Interface
19EUEnd-User
20EWPElectronic White Page

Computer Abbreviations (F)

SLAbbreviationsFull Meaning
1F.KeysFunction Keys
2FAQFrequently Asked Questions
3FAST Federation Against Software Theft
4FATFile Allocation Table
5FAXFacsimile
6FCCFederal Communications Commission
7FCSFrame Check Sequence
8FDCFloppy Disk Controller
9FDDFloppy Disk Drive, Fixed Disk Drive
10FDDIFibre Distributed Data Interface
11FDMFrequency Division Multiplexing
12FEAFinite Element Analysis
13FEPFront-End Processor
14FFForm Feed, Flip-Flop
15FGLFourth Generation Language
16FIFOFirst In First Out
17FMFrequency Modulation
18FORTRANFORmula TRANslation
19FRAMFerromagnetic Random Access Memory
20FSKFrequency Shift Keying
21FTPFile Transfer Protocol

Computer Abbreviations (G)

SLAbbreviationsFull Meaning
1GBGigaByte
2GHzGiga Herz
3GIGOGarbage in Garbage Out
4GISGeographic Information System
5GUIGraphical User Interface
6GW-BASICGee Whiz! Beginner’s All-purpose Symbolic Instruction Code

Computer Abbreviations (H)

SLAbbreviationsFull Meaning
1H-ZoneHyphenation-Zone
2HCIHuman Computer Interface
3HDHigh Density
4HDCHard Disk Controller
5HDDHard Disk Drive
6HDLCHigh-Level Data Link Control
7HGCHercules Graphics Card
8HIPO CHARTHierarchical Input-Process-output Chart
9HMAHigher Memory Block
10HMIHorizontal Motion Index
11HTMLHyperText Markup Language
12HWDHeight/Width/Depth
13HzHertz

Computer Abbreviations (I)

SLAbbreviationsFull Meaning
1I/OInput/Output
2IABInternet Architecture Board
3IARInstruction Address Register
4IBGInter Block Gap
5IBMInternational Business Machines
6ICIntegrated Circuit
7ICMPInternet Control Message Protocol
8IDEIntegrated Drive Electronics
9IDNIntegrated Digital Network
10IEEInstitution of Electrical Engineers
11IEEEInstitute o Electrical and Electronics Engineers
12IENInternet Experiment Note
13IETFInternet Engineering Task Force
14IILIntegrated Injection Logic
15IPInternet Protocol, Information processing
16IPRIntellectual property Right
17IPXInternetwork Packet Exchange
18IRInstruction Register
19IRCInternet Relay Chart
20IRGInter Record Gap
21IRQInterrupt ReQuest
22ISAIndustry Standard Architecture
23ISAMIndex Sequential Access Mode
24ISDNIntegrated Services Digital Network
25ISOInternational Standards Organization
26ISOCInternet Society
27ITInformation Technology
28ITU-TInternational Telecommunication Union-Telecommunication
29IWRIsolated Word Recognition

Computer Abbreviations (J)

SLAbbreviationsFull Meaning
1JCLJob Control Language
2JTMJob Transfer and Manipulation

Computer Abbreviations (K)

SLAbbreviationsFull Meaning
1KBKiloByte
2KbKilobit
3 KbpsKilobits per second
4KPOKey Punch Operator

Computer Abbreviations (L)

SLAbbreviationsFull Meaning
1LANLocal Area Network
2LAPLink Access protocol
3LAPBLink Access Protocol Balanced
4LCDLiquid Crystal Display
5LEDLight Emitting Diode
6LFLine Feed
7LFULeast Frequency Used
8LHNLong Haul Network
9LIFOLast In First Out
10LIM-EMSLotus Intel Microsoft-Expanded Memory Specification
11LIS Land Information System
12LLCLogical Link Control
13LRCLongitudinal Redundancy Check
14LSILarge-scale Integration

Computer Abbreviations (M)

SLAbbreviationsFull Meaning
1MACMedium Access Control
2MANMetropolitan Area Network
3MARMemory Address Register
4MbMegabit
5MBMegabyte
6MbpsMillion bits per second
7MBRMemory Buffer Register
8MCAMicro Channel Architecture
9MDAMonochrome Display Adapter
10MDRMemory Data Register
11MFDMini Floppy Disk
12MFLOPSMillion Floating Point Operations Per Second
13MHSMessage Handling Service
14MHzMegaHertz
15MIBManagement Information Base
16MICRMagnetic Ink Character Reader
17MIMDMultiple Instruction Multiple data
18MIPSMillion Instruction per second
19MISManagement Information System
20MMUMemory Management Unit
21MOSMetal Oxide Semiconductor
22MOTISMessage Oriented Text Interchange System
23MPUMicroprocessor Unit
24MSMicroSoft, Message store
25MS/DOSMircorSoft-Disk Operating System
26MSIMedium Scale Integration
27MTAMessage Transfer Agent
28MTBFMean Time Between Failure
29MUXMultiplexer

Computer Abbreviations (N)

SLAbbreviationsFull Meaning
1NAKNegative Acknowledgement
2NETBIOSNETwork Basic Input/Output System
3NINorton Index
4NICNetwork Information Centre, Network Interface Card
5NLNatural Language
6NLQNonMaskable Interrupt
7NMINonMaskable interrupt
8NOSNetwork Operating System
9NPDUNetwork Protocol Data Unit
10NPQNear Photographic Quality
11NRZNon-return to Zero
12nsNanosecond
13NSAPNetwork Service Access Point

Computer Abbreviations (O)

SLAbbreviationsFull Meaning
1OCROptical Character Reader/Recognition
2ODDOptical Disk Drive
3OEMOriginal Equipment Manufacturer
4OHPOver Head Panel
5OLEObject Linking and Embedding
6OMROptical Mark Reader
7OODObject-Oriented Design
8OOPObject-Oriented Design
9OROperation Research
10OS/2Operating System/2
11OSFOpen Software Foundation
12OSIOpen System Interconnection

Computer Abbreviations (P)

SLAbbreviationsFull Meaning
1PABXPrivate Automatic Branch Exchange
2PALPhase Alternate Line, Programmable Array Logic
3PABPrivate Branch Exchange
4PCPersonal Computer, Program Counter
5PCBPrinted Circuit Board
6PCIPeripheral Component Interconnect, Protocol Information
7PCMPulse Code Modulation
8PDLPage Description Language
9PDNPublic Data Network
10PDUProtocol Data Unit
11PERTProgress Evaluation and Review Technique
12PINPersonal Identification Number
13PIOParallel Input/Output
14PL/1Programming language 1
15PLAProgrammable Logic Array
16PLLPhase Locked Loop
17PMPhase Modulation
18PMBXPrivate Manual Branch Exchange
19POPPost Office Protocol
20POSPower On Self Test
21ppmPage Per Minute
22PPPPoint-to-point Protocol
23PPUProtocol Data Unit
24PROLOGPRogramming LOGin
25PROMProgrammable Read Only Memory
26PSDNPacket-switched data Network
27PSKPhase Shift Keying
28PSPDNPacket Switched Public Data Network
29PTTPost Telegraph and Telephone

Q

SLAbbreviationsFull Meaning
1QAMQuadrature Amplitude Modulation
2QBEQuery By Example

Computer Abbreviations (R)

SLAbbreviationsFull Meaning
1RAIDRedundant Array of Inexpensive Disks
2RAMRandom Access Memory
3RDBMSRelational Database  Management System
4RFIRadio Frequency Interference
5RGBRed-Green-Blue
6RISCReduced Instruction Set Computer
7RLLRun-Length-Limited
8RMMRead-Mostly Memory
9ROMRead Only Memory
10RPGReport Programme Generator
11RPROMReProgrammable Read-only Memory
12RSIRepetitive Strain Injury
13RTSRequest To Send

Computer Abbreviations (S)

SLAbbreviations
1SAASystems  Application Architecture
2SAPService Access Point
3SCRSequence Control Register
4SCSISmall computer system interface
5SDLCSynchronous Data link Control
6SIMDSingle Instruction Multiple Data
7SIMMSingle in-line Memory module
8SIPPSingle in-Line  Pin profile
9SISDSingle  Instruction Single Data
10SLIPSerial Line  Internet Protocol
11SMPSymmetric Multiprocessing
12SMTPSimple Mail transfer protocol
13SNASystems Network architecture
14SNMPSimple Network  Management Protocol
15SONETSynchronous Optical Network
16SPARCScalable Processor ARChitecture
17SPCStored Programme Control
18SPECSystems Performance Evaluation Cooperative
19SQLStructured Query Language
20SRAMStatic Random Access Memory
21SSDSingle  Sided Disk
22STPShielded Twisted Pair
23SVGASuper Video Graphics Array
24SYSOPSystem OPerator

Computer Abbreviations (T)

SLAbbreviationsFull Meaning
1TBUTape Back-up Unit
2TCPTransmission  Control Protocol
3TCP/IPTransmission Control Protocol/Internet Protocol
4TDMTime Division Multiplexing
5TETerminal Equipment
6TEITerminal Endpoint Identifier
7TIFFTagged Image File  Format
8TMOTThermo-Magnetic –Optic Technology
9TPDUTransport Protocol Data Unit
10TPITracks per inch
11TSRTerminate and  Stay Resident
12TTLTransistor-Transistor  Logic
13TTYTele TYpewriter

Computer Abbreviations (U)

SLAbbreviationsFull Meaning
1UARTUniversal Asynchronous Receiver-transmitter
2UCUpward Compatibility
3UDPUser Datagram Protocol
4UIMSUser Interface Management System
5UMBUpper Memory Block
6UNICAC Universal Automatic computer
7UPCUniversal  product code
8UPSUninterruptible Power Supply
9URLUniversal Resource Locator
10USARTUniversal Synchronous Asynchronous Receiver-Transmitter
11UTPUnshielded Twisted Pair
12UUCPUnix-to-Unix Copy

Computer Abbreviations (V)

SLAbbreviationsFull Meaning
1VANValue Added Network
2VCVirtual Circuit
3VDEVoice Data Entry
4VDTVisual Display terminal
5VDUVisual Display Unit
6VESAVideo Electronics Standard Association
7VGAVideo Graphics Array
8VLIWVery-Long-Instruction Word
9VLSIVery Large Scale Integration
10VMVirtual Memory
11VRAMVideo Random Access Memory
12VRCVertical Redundancy Check
13VSATVery Small Aperture Terminal
14VTVirtual Terminal

Computer Abbreviations (W)

SLAbbreviationsFull Meaning
1W3World Wide Web
2WAISWide Area Information Server
3WANWide Area Network
4WORMWrite-Once-Many
5WPWord Processing
6WWWord Wrap
7WWWWorld Wide Web
8WYSIWYGWhat you see Is What You Get

Computer Abbreviations (X)

SLAbbreviationsFull Meaning
1XGAExtended Graphics Array
2XMSExtended Memory  Specification
3XORExclusive OR
4XTExtended Technology

Y

YPYellow Pages

Z

ZWSZero Wait State

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