Computer terminologies and abbreviation are frequently asked in Bank PO/clerk and other exams. Here is an extensive list of short-forms or abbreviations related to computers to computers and information technology  :

ACE : Access Control Entry

ADSL : Asymmetric Digital Subscriber Line

ADC : Analog To Digital Converter

AI: Artificial Intelligence ALGOL : Algorithmic Language

ALU : Arithmetic Logic Unit

ANSI : American National Standards Institute

API : Application Program Interface

ARP : Address Resolution Protocol

ARPANET : Advanced Research Projects Agency Network

ASCII : American Standard Code For Informatio Interchange

ATM : Asynchronous Transfer Mode

AUI: Attachment Unit Interface

AVI : Audio Video Interleave


BASIC : Beginner’s All Purpose Symbolic Instruction Code

BCD : Binary Coded Decimal

BHTML : Broadcast Hyper Text Markup Language

BIOS : Basic Input Output System

BIU : Bus Interface Unit

BMP : Bitmap

BPS : Bytes Per Seconds



CAD:-Computer Aided Design

CAI : Computer Aided Instructuion

CAM : Computer Aided Manufacturing

CASE : Computer Aided Software Engineering

CCNA : Cisco Certified Network Associate

CD : Compact Disc

CD RW : Compact Disc ReWritable

CDMA : Code Division Multiple Access

CDROM : Compact Disc Read Only Memory

CGI : Common Gateway Interface

CISC : Complex Instruction Set Computer

CLR : Common Language Runtime

CMOS: Complementary Metal Oxide Semicon

COBOL : Common Business Oriented Language

CPI : Clock Cycle Per Instruction

CPU : Central Processing Unit

CRM : Customer Relationship Management

CRT : Cathode Ray Tube

CUI: Character User Interface


DAC: Digital To Analog Converter

DBA : Data Base Administrator

DBMS : Data Base Management System

DCL : Data Control Language

DDL : Data Definition Language

DHCP : Dynamic Host Control Protocol

DHTML : Dynamics Hyper Text Markup Lang

DLC : Data Link Control



EAROM : Electrically Alterable Read Only Memory

EBCDIC: Extended Binary Coded Decimal Interchange Code

EDC : Electronic Digital Computer

EDCDIC : Extended Binary Coded Decimal Interchange Code

EEPROM : Electrically Erasable Programmable Read Only Memory

ENIAC : Electronics Numerical Integrator And Calculator

EPROM : Erasable Programmable Read Only Memory

EROM : Erasable Read Only Memory

ERP : Enterprise Resource Planning

EULA : End User License Agreement


FAT: File Allocation Table

FDD : Floppy Disk Drive

FDMA : Frequency Division Multiple Access

FIFO : First In First Out

FORTRAN : Formula Translation

FPS : Frames Per Second

FRAM : Ferro Electric Random Access Memory

FTP : File Transfer Protocol



GB: Giga Bytes

GUI: Graphical User Interface


HDD : Hard Disk Drive

HP : Hewlett Packard

HTML : Hyper Text Markup Language

HTTP: Hyper Text Transfer Protocol


lo: Input Output

IBM : International Business Machines

IC : Integrated Circuit

ICMP : Internet Control Message Protocol

IE : Internet Explorer

IGMP : Internet Group Management Protocol

IP : Internet Protocol

IRC : Internet Relay Chat

IRQ : Interrupt Request

ISDN : Integrated Services Digital Network

ISO : International Standard Organization

ISP : Internet Service Provider

ISR: Interrupt Service Routine

IT : Information Technology


JPEG : Joint Photographic Experts Group

KB : Kilo Bytes

Kb : Kito Bit

KBPS : Kilo Bytes Per Second


L2TP : Layer Two Tunneling Protocol

LAN : Local Area Network

LCD : Liquid Crystal Display

LIFO : Last In First Out

LIPS : Logical Interfaces Per Second

LOC : Lines Of Code

LSI : Large Scale Integration


MAC: Media Access Control

MAN : Metropolitan Area Network MB: Mega Bytes

MBPS : Mega Bytes Per Second

MCS : Multicast Server

MDI : Multiple Document Interface

MDS : Microcomputer Development System

MFT : Master File Table MG : Mega Bytes

MICR : MagneticNInk Characters Reader

MIME : Multipurpose Internet Mail Extensions

MIPS : Millions Of Instructions Per Second

MISD : Multiple Instruction Single Data

MODEM : Modulator And Demodulator

MP3 : Motion Pictures Experts Group Layer 3

MPEG : Motion Pictures Experts Group

MS : Microsoft

MSDN : Microsoft Developer Network

MSN : Microsoft Network

MTU : Maximum Transmission Unit


Nas: Network Attached Storage

NASSCOM : National Association Of Software & Service Companies

NCP : Network Control Protocol

NDIS : Network Driver Interface Specification

NTFS : New Technology File System

NTP : Network Time Protocol


OR: Optical Character Readers

OLE : Object Linking And Embedding

OMR: Optical Mark Reader

OOP : Object Oriented Programming

OOPS : Object Oriented Programming System

OS : Operating System

OSI : Open System Interconnection


Pc: Personal Computer

PCI : Peripheral Component Interconnect

PCMCIA : Personal Computer Memory Card International Association

PDA : Personal Digital Assistant

PDF : Portable Document Format

PDL : Page Description Language

PDU : Protocol Data Unit

PIC : Programming Interrupt Control

PLA: Programmable Logic Array

PLC: Programmable Logic Controller

PNG: Portable Network Graphics

PN : Plug And Play

PPP: Peer To Peer Protocol

PPTP: Point To Point Tunneling Protocol

PROM: Programmable Read Only Memory

QR: Quad Data Rate

QEP: Quoted for performance

QDS : Quality of service


RADSL: Rate Adaptive Digital Subscribe

RAID : Redundant Array Of Independent

RAM: Random Access Memory

RAMDAC : Random Access Memory Drama Analog Converter

RAS: Remote Access Network RD

RAM : Rambus Dynamic Random Memory

RDBMS: Relational Data Base Manageme

RICS : Reduced Instruction Set Computer

RIP : Raster Image Processor

RISC : Reduced Instruction Set Computer

ROM : Read Only Memory

RPC: Remote Procedure Call

RTC : Real Time Clock

RTF: Rich Text Format

RTOS : Real Time Operating System


SCK: Selective Acknowledgemens

SAP : Service Access Point, Systems Products

SD RAM : Synchronous Dynamic Random Access Memory

SDD : Software Design Description

SDK : Software Development Kit

SDL : Storage Definition Language

SDN : Integrated Service Digital Network

SDRAM : Static Dynamic Random Access Memory

SDSL : Symmetric Digital Subscribes Line

SG RAM : Synchronous Graphics Random Access Memory

SGML : Standard Generalized Markup Language

SIM : Subscriber Identification Module

SIU : Serial Interface Unit

SMS : Short Message Service

SMTP : Simple Mail Transfer Protocol

SNMP : Simple Network Management Protocol

SQA : Statistical Quality Assurance

SQL : Structured Query Language

SRAM : Static Random Access Memory

SRS : Software Requirements Specification

STP : Shielded Twisted Pair SW : Software


TB: Tera Bytes

TCP : Transmission Control Protocol

TCPIP : Transmission Control Protocol Interne Protocol

TDI : Transport Data Interface

TDMA : Time Division Multiple Access

UDD : User Datagram Protocol

UDP : User Datagram Protocol

UNIX : Uniplexed Information And Computer Systems

URL : Universal Resource Locator

USB : Universal Serial Bus

USRT : Universal Synchronous Receiver Transmitted

UTP : Unshielded Twisted Pair

VAN: Virtual Area Network

VB : Visual Basic

VCD : Video Compact Disc

VGA : Video Graphics Array

VLSI : Very Large Scale Integrated Circuits

VPN : Virtual Private Network

VRAM : Video Random Access Memory

VS : Visual Studio

WAN: Wide Area Network

WAP : Wireless Application Protocol

WINDOWS ME : Windows Millennium Edition

WINDOWS NT : Windows New Technology

WINDOWS XP : Windows Experienced

WORM: Write Once Read Many

WWW: World Wide Web

WYSIWYG : What You See Is What You Get

XHTML: Extensible Hyper Text Markup Language

XML : Extensible Markup Language

XSL: Extensible Style Sheet Language

ZIP: Zone Information Protocol

ZB : Zeta Byte

ZISC : Zone Instruction Set Computer


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