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Computer Aptitude Abbreviations

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Computer Aptitude Abbreviations

shape Introduction

What is Computer Aptitude?

Computer Aptitude Test is a scientifically validated test designed to measure the aptitude for working with computers. Basically it measures the ability to solve problems quickly that is essential to truly succeed in every field using computers.


Computers are an integral part of everyday life. Computer aptitude is an important section in many competitive exams primarily related to recruitment. Candidates preparing for banking exams like IBPS PO, SBI PO and the RBI, must be prepared with Computer Aptitude syllabus.


A Computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming“. Computers follow a generalized set of operations termed as programs. The programs enable the computers to perform an extremely wide range of tasks. Computers are now ubiquitous and are being used in every field of work. Thus, basic knowledge of computers and ability to operate a computer is now crucial for all job aspirants.


Computer Awareness, also known as Computer Aptitude is one of the prominent sections in various recruitment related competitive exams in India. Computer Awareness Important Quiz Practice Sets lists some of the important questions for preparation of Computer Awareness module. The most significant topics to be learnt for Computer Awareness module are as follows:


  1. History of Computers
  2. Computer Fundamentals
  3. Parts of a Computer System
  4. Data Processing Cycle of a Computer
  5. Computer Languages
  6. Input Devices & Output Devices
  7. Operating Systems
  8. Database Management Systems
  9. Microsoft Office
  10. Keyboard Shortcuts
  11. File Extensions
  12. Networking and Internet
  13. Computer Viruses
  14. Important Abbreviations


Computer Aptitude Abbreviations is an important topic in many recruitment related examinations in India. The recruitment examinations primarily include employment to government sectors such as banking, railways, insurance, etc. among various other sectors. Computer Awareness topics are one of the key scoring sections of the competitive exams. Thus knowledge of Computer Aptitude Abbreviations is a great asset to faring well in the competitive exams. The article Computer Aptitude Abbreviations provides abbreviations useful to the candidates preparing for Bank exams like IBPS PO, MT Exam, Dena Bank PO, Bank PO, Clerk, SBI, RBI and etc.


shape Abbreviations

Abbreviations Full Form
AAC Advanced Audio Coding (audio compression
format defined by the MPEG-2 standad)
ABI Application Binary Interface
ABR Area Border Router
AD Active Directory
ADC Analog – To – Digital Converter
ADC Apple Display Connector (DVI variant)
AH Active Hub
AHA Accelerated Hub Architecture
Ajax Asynchronous Java Script and XML
AL Active Link
ALGOL Algorithmic Language1
ALU Algorithmic and Logical Unit
AM Active Monitor
AMD Advanced Micro Devices
AMR Audio Modem Riser
AOE ATA over Ethernet
APCI Application- Layer Protocol Control Information
API Application Programming Interface
APIPA Automatic Private IP Addressing
ASCH American Standard Code for Information Interchange
ASG Abstract Semantic Graph
ASP Application Service Provider
AST Abstract Syntax Tree
ATA Advanced Technology Attachment
ATM Asynchronous Transfer Mode
AVC Advanced Video Interleaved
AWT Abstract Windowing Toolkit

Abbreviations Full Form
BASIC Beginner’s All-Purpose Symbolic Instruction Code
BCD Binary Coded Decimal
BEEP Blocks Extensible Exchange Protocol
BER Bit Error Rate
BFD Binary File Descriptor
BGP Border Gateway Protocol
bin binary
BINAC Binary Automatic Computer
BIOS Basic Input Output System
bit binary digit
Blob Binary large object
Blog Web Log
BMP Basic Multilingual Plane
BOOTP Bootstrap Protocol
BPEL Business Process Execution Language
bps bits per second

Abbreviations Full Form
CAD Computer- Aided Design
CAE Computer- Aided Engineering
CAI Computer- Aided Instruction
CAT Computer- Aided Translation
CAQ Computer- Aided Quality Assurance
CC C Compiler
CD Compact Disc
CD-R CD-Recordable
CD-ROM CD Read-only Memory
CD-RW CD- Rewritable
CG Computer Graphics
CGA Colour Graphics Array
CGI Common Gateway Interface
CGI Common -Generated Imagenry
CIFS Common Internet Filesystem
CLI Command Line Interface
CLR Common Language Runtime
CNC Computer Numerical Control
COBOL Common Business-Oriented Language
CPU Central Processing Unit
CTR< Cathode Ray Tube
CSI Common System Interface
CT Computerised Tomography
CTCP Client-To-Client Protocol
CTL Computational Tree Logic
CTS Clear To Send
CUA Common User Access

Abbreviations Full Form
DAC Digital-To-Analog Converter
DAP Directiory Access Protocol
DB Databse
DBA Database Administrator
DBMS Database Management System
DCC Direct Client-to-Client
DDR Double Data Rate
DES Data Encryption Standard
DFD Data Flow Diagram
DFS Distributed File System
DHTML Dynamic HTML
DIVX Digital Video Express
DLL Dynamic Link Library
DLP Digital Light Processing
DMA Direct Memory Access
DDS Disk Operating System
DPI Dots Per Inch
DPMI DOS Protected Mode Interface
DSL Digital subscriber Line
DSL Domian- Specific Language
DSN Database Source Name (ODBC)
DTE Data Terminal Equipment
DTR Data Terminal Ready
DVD Digital Versatile Disc
DVD Digital Video Disc
DVD-R DVD- Rewritable
DVI Digital Visual Interface
DVR Digital Video Recorder

Abbreviations Full Form
EBCDIC Extended Binary Coded Decimal Interchange Code
EDO Extended Data Out
EEPROM Electronically-Erasable Programmable Read-Only Memory
EFF Electronic Frontier Foundation
EFI Extensible Firmware Interface
EGA Enhanced Graphics Array
EGP Exterior Gateway Protocal
eID electronic ID card
EIGRP Enhanced Interior Gateway Routing Protocol
ELF Executable and Linkable Format
ELM Electronic Mail
EOM End of Message
EPROM Erasable Programmable Read-Only Memory
EUC Extended Unix Code
EXE EXEcutable

Abbreviations Full Form
FAP FORTRAN Assembly Program
FAT File Allocation Table
FAQ Frequently Asked Questions
FDC Floppy Disk Controller
FDD Floppy Disk Drive
FIFO First In Fist Out
FHS Filesystem Hierarchy Standard
FCS Frame Check Sequence
FPU Floating Point Unit
FS File System
FSB Front Side Bus
FTP File Transfer Protocol
FXP File eXchange Protocol

Abbreviations Full Form
GB Gigabyte
GCR Group Code Recording
GDI Graphics Device Interface
GFI Graphics Interchange Format
GIGO Garbage In, Garbage Out
GPU Graphics Processing Unit
GUI Graphical User Interface

Abbreviations Full Form
HAL Hardware Abstraction Layer
HCI Human Computer Interaction
HDD Hard Disk Drive
HD DVD High Definition DVD
HDL Hardware Description Language
HHD Hybrid Hard Drive
HID Human Interface Guidelines
HIG Human Interface Guidelines
HPFS High Performance File System
HSM Hierarchical Storage Management
HTM Hierarchical Temporal Memory
HTML Hypertext Markup Language
HTTP Hypertext Transfer Protocol
HTX Hyper Transport eXpansion
HURD Hird of Unix- Replacing Daemons
HVD Holographic Versatile Disc

Abbreviations Full Form
IBM International Business Machines
ICMP Internet Control Message Protocol
ICP Internet Cache Protocol
IDL Interface Definition Language
IE Internet Explorer
IGMP Internet Group Management Protocol
IGRP Interior Gateway Routing Protocol
IHV Independent Hardware Vendor
IIOP Internet Inter-Orb Protocol
IIS Internet Information Services
IM Instant Messaging
IMAP Internet Message Access Protocol
I/O Input/Output
IP Internet Protocol
IPC Inter-Process Communication
IPP Internet Printing Protocol
IPSec Internet Protocol security
IPTV Internet Protocol Television
IPX Internetwork Packet Exchange
IRC Internet Relay Chat
IRP I/ORequest Packet
IRQ Interrupt Request
ISC Internet Storm Center
ISO International Organisation for Standardisation
ISOC Internet Society
ISP Internet Service Provider
ISR Interrupt Service Routine
ISV Independent Software Vendor
IT Information Technology
ITU International Telecommunication Union

Abbreviations Full Form
J2CE Java 2 Cryptograhic Edition
JDS Java Desktop System
JMX Java Management Extensions
JMS Java Message Service
JNDI Java Naming and Directory Interface
JNI Java Native Interface
JPEG Joint Photographic Experts Group
JS Java Script
JSON Java Script Object Notation
JSP Java Server Pages
JUG Java Users Group

Abbreviations Full Form
Kb Kilobit
KB Kilobyte
KHZ Kilohertz

Abbreviations Full Form
LAN Local Area Network
LIFO Last In first Out
LSB Least Significant Bit

Abbreviations Full Form
MAN Metropolitan Area Network
MANET Mobile Ad- Hoc Network
Mb Megabit
MB Megabyte
MBCS Multi Byte Character Set
MBR Master Boot Record
MDI Multiple Document Interface
MICR Magnetic Ink Character Recognition
MIMO Multiple-Input Multiple-Output
MIPS Million Instructions Per Second
MIME Multipurpose Internet Mail Extensions
MMX Multi-Media Extensions
MNG Multiple-Image Network Graphics
MPEG Motion Pictures (Coding) Experts Group
MPL Mozilla Public License
MSB Most Significant Bit
MS-DOS Microsoft DOS
MVS Multiple Virtual Storage

Abbreviations Full Form
NEXT Near- End Cross Talk
NFS Network File System
NIO New I/O
NMI Non- Maskable Interrupt
NNTP Network News Transfer Protocol
NOP No Operation
NOS Netwrok Operating System NT (Windows) New Technology
NTP Network Time Protocol

Abbreviations Full Form
OOP Object- Oriented Programming
OPML Outline Processor Markup Language
OS Operating System
OSS Open- Source Software

Abbreviations Full Form
P2P Peer-To- Peer
PAN Personal Area Network
PAP Password Authentication Protocol
PATA Parallel ATA
PC Personal Computer
PCI Peripheral Component Interconnect
PCLe PCI Express
PCL Printer Command Language
PGA Pin Grid Array
PIC Peripheral Interface Controller
PIC Programmable Interrupt Controller
PINE Program for Internet News & Email
PIO Programmed Input/ Output
PnP Plug-and- Play
PoE Power over Ethernet
PPC Power PC
PPI Pixels Per Inch
PPP Point-to-Point Protocol
PPPoA PPP over Ethernet
PPTP Point- to-Point Tunneling Protocol
PSU Power Supply Unit

Abbreviations Full Form
QDR Quad Data Rate
QFP Quoted For Permanence
QoS Quality of Service

Abbreviations Full Form
RADIUS Remote Authentication Dial In User Service
RAID Redundant Array of Independent Disks
RAM Random Access Memory
RARP Reverse Address Resolution Protocol
RDBMS Relational Database Management System
RDF Resource Description Framework
REFAL REcursive Functions Algorithmic Language
RIP Routing Information Protocol
ROM Read Only Memory
ROMB Read-Out Motherborad
RTOS Real Time Operating System

Abbreviations Full Form
SaaS Software as a Service
SAN Storage Area Network
SATA Serial ATA
SAX Simple API for XML
SBP-2 Serial Bus Protocol 2
SBU Standard Build Unit
SCSI Small Computer System Interface
SDL Simple Direct Media Layer
SDN Service Delivery Network
SDR Software-Defined Radio
SDRAM Synchronous Dynamic Random Access Memory
SMBIOS System Management BIOS
SMTP Simple Mail Transfer Protocol
SP Service Pack
SPI Serial Peripheral Interface
SQL Structured Query Language
SUS Single UNIX Specification
SVD Structured VLSI Design

Abbreviations Full Form
TCP Transmission Control Protocol
TCP/IP Transmission Control Protocol/Internet Protocol
TTA True Tap-Audio
TTF True Type Font
TTS Text-to-Speech
TTY Teletype

Abbreviations Full Form
UAC User Account Control
UART Universal Asynchronous Receiver Transmitter
UEFI Unified Extensible Firmware Interface
UI User Interface
UL Upload
UPS Uninterruptible Power Supply
URI Uniform Resource Identifier
URN Uniform Resource Name
USB Universal Serial Bus

Abbreviations Full Form
Var variable
VB Visual Basic
VBA Visual Basic for Applications
VBS Visual Basic script
VFAT Virtual FAT
VFS Virtual File System
VGA Video Graphics Array
VGCT Video Graphics Character Table
VLAN Virtual Local Area Network
VM Virtual Memory
VOD Video On Demand
VOIP Voice over IP
VPN Virtual Private Network
VT Video Terminal

Abbreviations Full Form
WAFS Wide Area File Services
WAIS Wide Area Information Server
WAN Wide Area Network
WAP Wireless Application Protocol
Wi-Fi Wireless Fidelity
WiMAX Worldwide Interoperability for Microwave Access
WInFS Windows Future Storage
WINS Windows Internet Naming Service
WLAN Wireless Local Area Network
WMA Windows Media Audio
WMV Windows Media Video
WOL Wake-on-LAN
WOM Wake-on-Modem
WPA Wi-Fi Protected Access
WSDL Web Services Description Language
WUSB Wireless Wide Area Network
WWID World Wide Identifier
WWW World Wide Web

Abbreviations Full Form
XAML eXtensible Application Markup Language
XHTML eXtensible Hypertext Markup Language
XML eXtensible Markup Language
XMMS X Multimedia System
XNS Xerox Network Services
XSL eXtensible Styleheet Language
XSL-FO eXtensible Stylesheet Language Formatting Objects
XSLT eXtensible Stylesheet Language Transformatons
XUL XML User Interface Language

Abbreviations Full Form
Y2K Year Two Thousand

Abbreviations Full Form
ZIFS Zero Insertion Force Socket
ZISC Zero Instruction Set Computer
ZMA Zone Multicast Address