List of Computer Abbreviations (Updated)

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Computer awareness, like other subjects, is an important topic for all competitive exams, such as banking, insurance, SSC, RRB, etc. Although the weight of numbers for computer awareness is much less, all the questions asked on these topics can be answered very easily.

List of Computer Abbreviations

Here is the full list of important  Computer Abbreviations. At the end of this post, there is a  link for downloading PDFs on this topic.

Computer Abbreviations, Basic

PCPersonal Computer
ALUArithmetic Logic Unit
CPUCentral Processing Unit
BIPSBillions of Instructions Per Second
BPIBytes Per Inch
RAMRandom Access Memory
ROMRead Only Memory
BIOSBasic Input Output System
OSOperating System

Computer Abbreviations related to Software

CADComputer Aided Design
PDFPortable Document Format
OSSOpen Source Software
JREJava Runtime Environment
DTPDesktop Publishing
MS OfficeMicroSoft Office

Computer Abbreviations related to Memory

KBKilo Byte
MBMega Byte
GBGiga Byte
TBTera Byte
PBPeta Byte
EBExa Byte
ZBZetta Byte
YBYotta Byte
BBBronto Byte

Computer Abbreviations related to Storage device

CDCompact Disk
CD-ROMCompact Disk Read Only Memory
CD-RWCD Read/Write
DVDDigital Video/Versatile Disk

Computer Abbreviations related to Networking

NICNetwork Interface Card
WIFIWireless Fidelity
LIFILight Fidelity
ISPInternet Service Provider
IPInternet Protocol
RIPRouting Information Protocol
TCPTransport Control Protocol
DHCPDynamic Host Configuration Protocol
DNSDomain Name System
TDMTime Division Multiplexing
UDPUser Datagram Protocol
URLUniform Resource Locator
USBUniversal Serial Bus
WWWWorld Wide Web
ARPANETAdvanced Research Project Agency Network
ASCIIAmerican Standard Code for Information Interchange

Computer Abbreviations related to File Extension

JPEGJoint Photographic Experts Group
MPEGMoving Pictures Experts Group
PDFPortable Document Format
PPTPowerPoint Presentation
PNGPortable Network Graphics
GIFGraphics Interchange Format
BMFByteMap Font File
BMPMicrosoft Windows Bitmap formatted image
3GPPPThird Generation Partnership Project
FLVFlash video
AVIAudio Video Interleave

Computer Abbreviations related to Computer Generation

ICIntegrated Circuit
LSILarge Scale Integration
ULSIUltra Large Scale Integration
VLSIVery Large Scale Integration
SLSISuper Large Scale Integration
AIArtificial Intelligence
ENIACElectronic Numerical Integrator And Calculator

Computer Abbreviations related to Programming language

SQLStructured Query Language
DBMSData Base Management System
ALGOLAlgorithic Language
COBOLCommon Business Oriented
HTMLHyperText Markup Language
CSSSCascading Style Sheets
PHPHypertext Preprocessor
HTTPHyperText Transport Protocol
XHTMLeXtensible HyperText Markup Language
XMLeXtensible Markup Language
SGMLSyntax for Generalized Markup Language
BASICBeginners All-purpose Symbolic Instruction Code

Computer Abbreviations related to Network Connection

WiMAXWorldwide Interoperability for Microwave Access
WANWide Area Network
WLANWireless Local Area Network
LANLocal Area Network
CANCampus Area Network
PANPersonal Area Network
VANValue Added Network
MANMetropolitan Area Network
SANStorage Area Network

Computer Abbreviations Miscellaneous

UPCUniversal Product Code
WEPWired Equivalent Privacy
UTFUnicode Transformation Format
VCRVideo Cassette Recorder
VDTVideo Display Terminal
VGAVideo Graphics Array
VoIPVoice over Internet Protocol
VSATVery Small Aperture Terminal
WAPWireless Application Protocol
WLLWireless Local Loop
WORMWrite Once Read Many
CDCControl Data Corporation
CLCommand Language
CLICommand Line Interface
BCDBinary Coded Decimal
ABCAtanasoff Berry Computer
ACMAssociation for Computing Machinery
AMDAdvanced Micro Devices
CAEComputer Aided Engineering
CASEComputer Aided Software Engineering
CODASYLConference On Data Systems
CRTCathode Ray Tube
DATDigital Audio Tape
DBSDemand Based Switching
DDLData Definition Language
DDSDigital Data Storage
DECDigital Equipment Corporation
DMADirect Memory Access
DNADigital Network Architecture
DPIDots Per Inch
DSNDistributed Systems Network
DTSDigital Theater System
EBCDICExtended Binary Coded Decimal Interchange Code
EDSACElectronic Delay Storage Automatic Calculator
EDVACElectronic Discrete Variable Automatic Calculator
EFMEight-to-Fourteen Modulation
EPGElectronic Programming Guide
EPICExplicitly Parallel Instruction Computing
EPROMErasable Programmable Read-Only Memory
FATFile Allocation Table
FDMFrequency Division Multiplexing
FEPFront End Processor
FLOPSFloating Point Operations Per Second
FMFrequency Modulation
FMSFile Management System
FSKFrequency Shift Keying
FTPFile Transfer Protocol
GHzGiga Hertz
GNUGnu Not Unix
GPRSGeneral Packet Radio Service
GSMGlobal System for Mobile communication
GUIGraphical User Interface
HPHewlett Packard
HSSHierarchical Storage System
IBMInternational Business Machine
IDNIntegrated Digital Networks
IrDAInfrared Data Association
ISDNIntegrated Services Digital Network
JSPJava Server Pages
KHzKilo Hertz
LCDLiquid Crystal Display
LEDLight Emitting Diode
LPMLine Per Minute
MARMemory Address Register
MBRMemory Buffer Register
MHzMega Hertz
MIDIMusical Instrument Digital Interface
MIPSMillions of Instructions Per Second
MNPMicrocom Network Protocol
MS-DOSMicroSoft Disk Operating System
MVTMultiprogramming with Variable Tasks
NICNetwork Interface Card
NICNETNational Informatics Center NETwork
NOSNetwork Operating System
OCROptical Character Recognition
OMROptical Mark Reader
OSIOpen System Interconnection
PDLProgram Design Language
PDPProgram Data Processor
PIPPeripheral Interchange Program
PROMProgrammable Read-Only Memory
QoSQuality of Service
SDLCSoftware Development Life Cycle
SEQUELStructured English QUEry Language
SIMMSingle In-line Memory Module
SNASystems Network Architecture
SNOBOLStriNg Oriented and symBOlic Language
SSISmall Scale Integration
PSWProgram status word

Previous Year MCQ on  Computer Abbreviations

1. WLL stands for ____ (SSC Combined Graduate Level Prelim Exam. 04.02.2007 (Frist Sitting)
A. Walking Land Line
B. Walking Loop Line
C. Wireless Land Line
D. Wireless in Local Loop

Answer :- D. Wireless in Local Loop

2. LAN stands for ( SSC Combined Matric Level (PRE) Exam. 30.03.2008 (Ist Sitting)
A. Land Area Network
B. Local Area Network
C. Local Access Network
D. Local Area Netware

Answer :- B. Local Area Network

3. DTP stands for (SSC Stenographer (Grade ‘C’ & ‘D’) Exam. 09.01.2011)
A. Daily Text Printing
B. Desk Top Publishing
C. Desk Top Printing
D. Daily Text Publishing

Answer :- B. Desk Top Publishing

4. The letter ‘G’ used in ‘2G Spectrum’ stands for (SSC Stenographer Grade ‘C’ & ‘D’ Exam. 16.10.2011))
A. Governance
B. Global
C. Generation
D. Google

Answer :- C. Generation

5. PDA stands for __(SSC (10+2) Level Data Entry Operator & LCD Exam. 04.12.2011
(IInd Sitting (North Zone)

A. Personal Digital Assistant
B. Personal Development Agency
C. Personal Data Authority
D. Personal Data Array

Answer :- A. Personal Digital Assistant

6. Telnet stands for __ (SSC CHSL (10+2) DEO & LDC Exam. 09.11.2014)
A. Telephone Network
B. Television Network
C. Teletype Network
D. Telefax Network

Answer :- C. Teletype Network

7. In the field of internet, www stands for__ (SSC CHSL (10+2) DEO & LDC Exam. 16.11.2014, IInd Sitting)
A. world wide wrestling
B. world wide web
C. world wide wordstar
D. world without wrestling

Answer :- B. world wide web 

8. PSW stands for __ (SSC CGL Tier-I Exam, 09.08.2015 (IInd Sitting))
A. Program status word
B. Processor status word
C. Process status word
D. Primitive status word

Answer:- A. Program status word 

9. ROM stands for __ (SSC CGL Tier-I Re-Exam, 30.08.2015)
A. Real Office Manager
B. Read Only Memory
C. Read Only Memorandum
D. Role on Memory

Answer:- B. Read Only Memory

10. The term ‘URL’ used in Internet technology stands for : (SSC Constable (GD) Exam, 04.10.2015, Ist Sitting)
A. Uniform Resource Locator
B. Unique Resource Locator
C. Uniform Remote Locator
D. Unique Remote Locator

Answer:- A. Uniform Resource Locator

11. In Networks, WEP stands for_ (SSC CGL Tier-I (CBE) Exam. 30.08.2016 (Ist Sitting))
A. Wireless Equivalent Privacy
B. Wired Extra Privacy
C. Wired Equivalent Privacy
D. Wireless Embedded Privacy

Answer :- C. Wired Equivalent Privacy

12. WIMAX stands for__ (SSC CGL Tier-I (CBE) Exam. 04.09.2016) (IInd Sitting
A. Wireless Interoperability for Microwave Access
B. Wired Interoperability for Microwave Access
C. Worldwide Interoperability for Microwave Access
D. Worldwide Infrastructure for Microwave Access

Answer :- C. Worldwide Interoperability for Microwave Access

Download PDF – Cick Here 

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