Computer terminologies and abbreviations are frequently asked in Bank PO/clerk,SSC and other exams. Here is an extensive list of short-forms or abbreviations related 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 Information
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
CADD: Computer Added Drafting And 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 Semiconductor
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 Language
DLC: Data Link Control
DLL: Dynamic Link Library
DMA: Direct Memory Access
DML: Data Manipulation Language
DNA: Distributed Internet Architecture
DNS: Domain Name System (Server)
DOM: Document Object Model
DOS: Disk Operating System, Denial Of Service
DRAM: Dynamic Random Access Memory
DSL: Digital Subscriber Line
DSN: Digital Subscriber Network
DTD: Document Type Definition
DVD: Digital Versatile Disc
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
IO: Input Output
IBM: International Business Machines
1C: 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
OCR: 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
PNP: Plug And Play
PPP: Peer To Peer Protocol
PPTP: Point To Point Tunneling Protocol
FROM: Programmable Read Only Memory
QDR: Quad Data Rate
QEP: Quoted for performance
QDS: Quality of service
RADSL: Rate Adaptive Digital Subscribes Line
RAID: Redundant Array Of Independent Disks
RAM: Random Access Memory
RAMDAC: Random Access Memory Digital To Analog Converter
RAS: Remote Access Network
RD RAM: Rambus Dynamic Random Access Memory
RDBMS: Relational Data Base Management System
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
SACK: Selective Acknowledgements
SAP: Service Access Point, Systems Applications 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 Internet Protocol
TDI: Transport Data Interface
TDMA: Time Division Multiple Access
UDD: User Datagram Protocol
UDP: User Datagram Protocol
UI: User Interface
UML: Unified Modelling Language
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