Computer abbreviations for aptitude exams

I have categorized the computer related terms in different categories. At the same time, I have tried not to include less used terms, feel free to point out in comment sections if any important term is missing.

Network related terminology:

LAN

 Local Area Network

 

WAN

 Wide area Network

Internet

MAN

 Metropolitan Area Network

Cable TV network spread across the  city

PAN

 Personal Area Network

 

VAN

 Virtual Area Network

 

VPN

 Virtual Private Network

 

WLAN

 Wireless Local Area Network

 

Wi-Fi

 Wireless Fidelity

 

WiMAX

 Worldwide Interoperability for
Microwave Access

 

NIC

 Network Interface Card

 



Memory related terminology:

RAM

 Random Access Memory

Data erases when power is turned off

DRAM

 Dynamic Random Access Memory

 

SRAM

 Static Random Access Memory

 

ROM

 Read Only Memory

 

PROM

 Programmable Read Only Memory

 

EPROM

 Erasable Programmable Read Only Memory

 

EEPROM

 Electrically Erasable Programmable
 Read Only Memory

 

FDD

 Floppy Disk Drive

 

CD

 Compact Disc

 

CDROM

 Compact Disc Read Only Memory

 

CD-RW

 Compact Disc Re-Writable

 

CD-WORM

 Compact Disc-Write Once Read Many

 

DVD

 Digital Video Disk or Digital Versatile Disc

 

BIT

 Binary Digit

 

HDD

 Hard Disk Drive

 

KB

 Kilobyte

 

MB

 Megabyte

 

GB

 Gegabyte

 

TB

 Terabyte

 




Internet related terminology:

URL

 Universal Resource Locator

 

DNS

 Domain Name System

 

WWW

 World Wide Web

 

ISP

 Internet Service Provider

 

MODEM

 Modulator And Demodulator

Convert analog to digital and vice versa

DSL

 Digital Subscriber Line

 


Various Protocols:

IP

 Internet Protocol

 

FTP

 File Transfer Protocol

 

TCP/IP

 Transmission Control Protocol/
Internet Protocol

 

HTTP

 Hyper Text Transfer Protocol

 

HTTPS

 Hyper Text Transfer Protocol Secure

more secured, mostly used in financial transactions

SMTP

 Simple Mail Transfer Protocol

 

ICMP

 Internet Computer Message Protocol

 

UDP

 User Datagram Protocol

 

DHCP

 Dynamic Host Configuration Protocol

 

POP

 Post Office Protocol

 

OSI

 Open System Interconnection

 



Languages and Database:

HTML

 Hyper Text Markup Language

Generation of computer languages

COBOL

 Common Business Oriented Language

 

SQL

 Structured Query Language

 

FORTRAN

 Formula Translation

 

BASIC

 Electronics Numerical Integrator
 And Calculator

 

XML

 Extensible Markup Language

 

OOPS

 Object-Oriented Programming System

 

JSP

 Java Server Pages

 

DBMS

 Data Base Management System

 

RDBMS

 Relational Data Base
Management System

 


File formats and extensions:

JPEG

or JPG

 Joint Photographic Experts Group

space left for remarks

GIF

 Graphics Interchange Format

 

PDF

 Portable Document Format

 

DOC

 Document File

 

PPT

 Power Point Presentation

 

DLL

 Dynamic Link Library

 

MPEG

 Moving Picture Experts Group

 

AVI

 Audio Video Interleave

 

PNP

 Plug And Play

 


Frequently used computer terms:

LCD

 Liquid Crystal Display

space left for remarks

LED

 Light Emitting Diode

 

GPRS

 General Packet Radio Service

 

GSM

 Global System for Mobile Communications

 

CDMA

 Code Division Multiple Access

 

FDMA

 Frequency Division Multiple Access

 

GPS

 Global Positioning System

 

USB

 Universal Serial Bus

 

CCTV

 Closed Circuit Television

 

SIM

 Subscriber Identity Module

 

OMR

 Optical Mark Recognition

 

MICR

 Magnetic Ink Characters Reader

 

OCR

 Optical Character Reader

 



Other important terms:

BIOS

 Basic Input Output System

space left for remarks

CPU

 Central Processing Unit

 

ALU

 Arithmetic Logic Unit

 

MIPS

 Millions of Instructions Per Second

 

IO

 Input Output

 

DOS

 Disk Operating Systems

 

CRM

 Customer Relationship Management

 

ERP

 Enterprise Resource Planning

 

MIS

 Management Information Systems

 

ASCII

 American Standard Code for
Information Interchange

 

EBCDIC

 Extended Binary Coded Decimal
Interchange Code

 

ANSI

 American National Standards Institute

 

FAT

 File allocation Table

 

NTFS

 New Technology File system

 

DTP

 Desk-Top Publishing

 

MAC

 Media Access Control

 

ITES

 Information Technology Enabled Services

 

ATM

 Asynchronous Transfer Mode

 

IC

 Integrated Circuit

 

VLSI

 Very Large scale Integration

 

ULSI

 Ultra Large scale Integration

 

UNIVAC

 Universal Automatic Computer

 

ENIAC

 Electronics Numerical Integrator
 And Calculator

 

FIFO

 First In First Out

 

LIFO

 Last In Last Out

 

GIGO

 Garbage In Garbage Out

 

DPI

 Dots Per Inch

 

PDA

 Personal Digital Assistant

 

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  Posted on Tuesday, August 18th, 2015 at 2:48 AM under   Concepts