➨ Important Computer Abbreviations full forms for Competitive Exams

➨ Important Computer Abbreviations full forms for Competitive Exams

200 important computer abbreviations with full forms are important in IBPS, SSC, UPSC and competitive examination and entrance tests–

1GL : First-Generation Programming Language
2GL : Second-Generation Programming Language
3GL : Third-Generation Programming Language
4GL : Fourth-Generation Programming Language
5GL : Fifth Generation Programming Language

A
AC : Alternating Current
ACL : Access Control List
ALGOL : Algorithmic Language
ALU : Arithmetic and Logical Unit
ANSI : American National Standards
ARPA : Advanced Research Projects Agency
ATM : Asynchronous Transfer Mode

B
BASIC : Beginner's All-Purpose Symbolic Instruction Code
BCD : Binary Coded Decimal
bin : binary
BINAC : Binary Automatic Computer
BIOS : Basic Input Output System
Blob : Binary large object
BMP : Basic Multilingual Plane

C
CAD : Computer-Aided Design
CAT : Computer-Aided Translation
CC : C Computer
CDMA : Code Division Multiple Access
CD-R : CD-Recordable
CD-ROM : CD Read-Only Memory
CD-RW : CD-Rewritable
CLI : Command Line Interface
CLR : Common Language Runtime
CPU : Central Processing Unit
CRS : Computer Reservations System
CRT : Cathode Ray Tube
CS : Computer Science
CSE : Computer Science and Engineering
CU : Central Unit

D
DAO : Data Access Objects
DAT : Digital Audio Tape
DB : Database
DBMS : Database Management System
DDR : Double Data Rate
DHTML : Dynamic Hypertext Markup Language
DIVX : Digital Video Express
DL : Download
DLL : Dynamic Link Library
DNS : Domain Name System
DOS : Disk Operating System
DSN : Database Source Name
DTP : Desktop Publishing
DVD : Digital Versatile Disc
DVD : Digital Video Disc
DVD-R : DVD-Recordable
DVD-ROM : DVD-Read Only Memory
DVD-RW : DVD-Rewritable

E
EDSAC : Electronic Delay Storage Automatic Calculator
EDVAC : Electronic Diserete Variable Automatic Computer
ESD : Electrostatic Discharge
EXE : ExEcutable
EXT : EXTended file system

F
FAQ : Frequently Asked Questions
FDD : Floppy Disk Drive
FLOPS : Floating-Pont Operations Per Second
FOSI : Formatted Output Specificiation Instance
FS : File System
FSB : Front Side Bus
FTP : File Transfer Protocol
FXP : File eXchange Protocol

G
Gb : Gigabit
GB : Gigabyte
GIF : Graphics Interchange Format
GPL : General Public License
GPRS : General Packet Radio Service

H
HCI : Human Computer Interaction
HCL : Hardware Compatibility List
HD : High Density
HD DVD : High Definition DVD
HDD : Hard Disk Drive
HHD : Hybird Hard Drive
HP : Hewlett-Packard
HT : Hyper Threading
HTM : Hierarchical Temporal Memory
HTML : Hypertext Markup Language
HTTP : Hypertext Transfer Protocol
Hz : Hertz

I
I/O : Input/Output
IBM : International Business Machines
IC : Integrated Circuit
ICMP : Internet Control Message Protocol
ICT : Information and Communication Technology
IE : Internet Explorer
IIS : Internet Information Services
IM : Instant Messaging
IMAP : Internet Message Access Protocol
IP : Intellectual Property /Internet Protocol
IP : Internet Protocol
IrDA : Infrared Data Association
ISDN : Integrated Service Digital Network
ISP : Internet Service Provider
IT : Information Technology

J
J2EE : Java 2 Enterprise Edition
J2ME : Java 2 Micro Edition
J2SE : Java 2 Standard Edition
JDK : Java Development Kit
JDS : Java Desktop System
JFC : Java Foundation Classes
JPEG : Joint Photographic Experts Group
JRE : Java Runtime Environment
JS : JavaScript

K
Kb : Kilobit
KB : Kilobyte
kHz : Kilohertz
KVM : Keyboard, Video Mouse

L
LAN : Local Area Network
LCD : Liquid Crystal Display
LED : Light-Emitting Diode

M
Mb : Megabit
MB : Megabyte
MBR : Master Boot Record
MHz : Megahertz
MNG : Multiple-image Network Graphics
MS : Memory Stick
MS : Microsoft
MS-DOS : Microsoft DOS

N
NaN : Not a Number
NAS : Network-Attached Storage
NEXT : Near-End Cross Talk
NIC : Network Interface Controller
NTFS : NT Filesystem

O
OLED : Organic Light Emitting Diode
OMF : Object Module Format
OS : Open Source
OS : Operating System

P
P2P : Peer-To-Peer
PAC : Programmable Automation Controller
PAN : Personal Area Network
PAP : Password Authentication Protocol
PATA : Parallel ATA
PC : Personal Computer
PGA : Pin Grid Array
PHP : PHP: Hypertext Preprocessor
PNG : Portable Network Graphics
POST : Power-On Self Test
PSU : Power Supply Unit

Q
QA : Quality Assurance
QFP : Quad Flat Package

R
RAM : Random Access Memory
RF : Radio Frequency
RGB : Red, Green, Blue (RGBA : Red, Green, Blue, Alpha)
RGBA : Red, Green, Blue, Alpha
RIP : Raster Image Processor
RIP : Routing Information Protocol
ROM : Read Only Memory
ROM-DOS : Read Only Memory - Disk Operating System

S
SATA : Serial ATA
SCSI : Small Computer System Interface
SD : Secure Digital
SDK : Software Development Kit
SDN : Service Delivery Network
SDR : Software-Defined Radio
SIMD : Single Instruction, Multiple Data
SIMM : Single Inline Memory Module
SP : Service Pack
SPI : Serial Peripheral Interface
SVG : Scalable Vector Graphics
SVGA : Super Video Graphics Array

T
TB : Tera Byte
TDMA : Time Division Multiple Access
tmp : temporary
TRON : The Real-time Operating System Nucleus
TTF : True Type Font
TTL : Transistor-Transistor Logic

U
UAC : User Account Control
UPS : Uninterruptible Power Supply
URI : Uniform Resource Identifier
URL : Uniform Resource Locator
USB : Universal Serial Bus
UTF : Unicode Transformation Format
UTP : Unshielded Twisted Pair
UUID : Universally Unique Identifier
UUN : Universal User Name

V
VB : Visual Basic
VBA : Visual Basic for Applications
VBS : Visual Basic Script
VGA : Video Graphics Array
VT : Video Terminal

W
W3C : World Wide Web Consortium
WAN : Wide Area Network
WAP : Wireless Access Point /Wireless Application Protocol
WLAN : Wireless Local Area Network
WMA : Windows Media Audio
WMV : Windows Media Video
WPAN : Wireless Personal Area Network
WWN : World Wide Name
WWW : World Wide Web

X
XAML : extensible Application Markup Language
XML : eXtensible Markup Language
XP : Extreme Programming
XPI : XP install

Y
Y2K : Year Two Thousand

Z
ZCS : Zero Code Suppression
ZIF : Zero Insertion Force
ZIFS : Zero Insertion Force Socket