Chapter 12 – Computer Abbreviations


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

A
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
B
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
C
CAD : Computer Aided Design
CADD : Computer Added Drafting And Design
CAI : Computer Aided Instruction
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
D
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
E
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
F
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
G
GB : Giga Bytes
GUI : Graphical User Interface
H
HDD : Hard Disk Drive
HP : Hewlett Packard
HTML : Hyper Text Markup Language
HTTP : Hyper Text Transfer Protocol
I
IO : 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
J
JPEG : Joint Photographic Experts Group
K
KB : Kilo Bytes
Kb : Kito Bit
KBPS : Kilo Bytes Per Second
L
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
M
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
N
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
O
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
P
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
PROM : Programmable Read Only Memory
Q
QDR : Quad Data Rate
QEP : Quoted for performance
QDS : Quality of service
R
R ADSL : 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
S
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
T
TB : Tera Bytes
TCP : Transmission Control Protocol
TCPIP : Transmission Control Protocol Internet Protocol
TDI : Transport Data Interface
TDMA : Time Division Multiple Access
U
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
V
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
W
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
X
XHTML : Extensible Hyper Text Markup Language
XML : Extensible Markup Language
XSL : Extensible Style Sheet Language
Z
ZIP : Zone Information Protocol
ZB : Zeta Byte
ZISC : Zone Instruction Set Computer