There are many Computer Abbreviations, but you need to study what is important from the exam point of view. PendulumEdu brings for you some important computer abbreviations that are generally asked in various government exams like SSC CGL, SSC CHSL, IBPS PO, SBI PO, IBPS RRB Scale I officer, etc.
The given below list not only contains computer abbreviations but also the definition of those terms so that your concept on a particular term gets cleared. And in case a question is framed from the term itself, you will be able to attempt the question.
S.No
Abbreviations
Full-Form
Definition
ACE
Access Control Entry
As its name suggests, it can grant or deny a user or group access to a resource. In many cases, a single ACL can contain multiple ACEs.
AI
It is an intelligence machine by which it can think and work like a human.
ALGOL
It is a family of different computer programming languages. Designed to communicate instructions to a machine, particularly a computer.
API
Application Program Interface
It is a software intermediary which allows two application to communicate.
APIPA
Automatic Private Internet Protocol Addressing
It is the feature of an operating system that enables computers to automatically self-configure an IP address
ARP
Address Resolution Protocol
An internet protocol used for communication. It is a network protocol used to find out the hardware (MAC) address of a device from an IP address.
ASCII
American Standard Code For Information Interchange
It is a standard set code that allows us to change English character into the number. There are 128 characters in it.
ASP
Active Server Pages
ASPs are the web pages that contain server-side scripts.
ATM
Asynchronous Transfer Mode
It is a dedicated connection switching technology that organizes the digital data into 53-byte cell units.
AUI
Attachment Unit Interface
The AUI (attachment unit interface) is the 15-pin physical connector interface between a computer’s network interface.
AVI
Audio Video Interleave
It is a file of sound and motion pictures. It combines audio and video into a single file in a standard container to allow simultaneous playback.
B2B
Business To Business
In this, products and services are sold to other businesses rather than to the general public
B2C
Business To Commerce
It refers to commerce between a business and an individual consumer.
BCC
Blind Carbon Copy
It is used when an email is sent to a number of people.
BCD
Binary Coded Decimal
It is a number system.
BCR
Bar Code Reader
It is an optical reader that can read bar codes
BINAC
Binary Automatic Computer
Early aged electronic computer designed for the Northrop aircraft company
BIOS
Basic Input Output System
It is a program pre-installed on Windows-based computers that the computer uses to start up
BMP
It is a digital image file format that is composed graphics.
BPEL
Business Process Execution Language
It is a language for specifying business based on the webserver.
CAD
It is a technology for design & technical documentation with the help of software.
CAI
It is also known as computer-assisted interaction, which helps in learning.
CAM
It is the method of use of software to control machine tools, it is also known as Computer-Aided machine.
CASE
Computer-Aided Software Engineering
It refers to the development and maintenance of software projects. It ensure high-quality and defect-free software.
C-DAC
Center for Development of Advanced Computing
Center for Development of Advanced Computing India is an autonomous scientific society under the ministry of electronics and information technology. The headquarters is in Pune.
C-DoT
Center For Development of Telematics
It is a telecommunication technology department centre which is owned by the Indian government.
CDROM
Compact Disc Read-Only Memory
It is a secondary memory storage device.
CD-RW
Compact Disc- ReWritable
It is a compact disc in which rewriting can be done multiple times.
CGI
Common Gateway Interface
It is an interface between the web server and custom scripts
CMOS
Complementary Metal- Oxides Semiconductors
It is a semiconductor chip inside computers that stores information.
CMS
Content Management System
It manages the creation and modification of digital content.
CMYK
Cyan, Magenta, Yellow, Key(Black)
It is a color order which describes the printing process
COBOL
Common Business Oriented Language
It is a business based programming language that uses the natural language-based syntax of keywords and constructs.
COM
Component Object Model
It is a windows application.
CPU
Central Processing Unit
It is the brain of a computer all input data processed here
CRC
Cyclic Redundancy Check
It is a method of error-detecting code.
CRM
Customer Relationship Management
It is an approach to manage its potential customers.
CRT
Cathode Ray Tube
It is used to display the image.
CTCP
Client To Client Protocol
It is a type of communication between internet relay chat clients
CUI
Character User Interface
The command line interface by which user interacts with the computer program.
DAC
Digital To Analog Converter
A device which converts the binary or digital data in the analog such as DAC, R-2R ladder.
DAO
Data Access Objects
It is a pattern that is used in java to separate the persistence and business layer of application.
DBMS
Database Management System
It’s a software used to manage the data.
DDL
Data Definition Language
These are the standard command in the DBMS to modify the data.
DFS
Distributed File System
When we store data on the server in a file system it is a type of distributed file system.
DHCP
Dynamic Host Configuration Protocol
It is a client-server protocol.
DHTML
Dynamics Hypertext Transfer Markup Language
It is a combination of web development technologies.
DLC
Data Link Control
It is a service that ensures reliable data communication.
DLL
It is a type of file that is used in need to perform a particular task.
DMA
Direct Memory Access
It is a method which allows input/output device to directly receive or send data from the main memory.
DOS
Disk Operating System
It was the first operating system used by IBM-Compatible computers.
DSL
Digital Subscriber Line
It is a communication medium that used to transfer digital signals over the standard telephone line.
DSN
Data Source Name
It is a means of communication which helps to transfer data with the help of telephone lines.
DTD
Document Type Definition
DTD defines the tag or attributes that used in the HTML or XML
DVD
Digital Versatile Disk
It is simply the digital video disc that can store a significant amount of data.
E- commerce
Electronically buying or selling of products over the internet.
EDP
Electronic Data Processing
It uses simple, repetitive activities to process large no. of similar volumes.
EEPROM
Electrically Erasable Programmable Read-Only Memory
This type of memory can be erased with the help of the electric field.
EFS
Encrypting File System
It provides a transparent encryption and decryption of files by using the standard cryptographic algorithm.
EJB
Enterprise Java Beans
It is a server-side component written in the java which contains the business logic of the application.
EPROM
Erasable Programmable Read-Only Memory
It is an internal memory of computer that can be erased and reused.
ERP
Enterprise Resource Planning
This type of software helps companies to implement their resource planning.
EULA
End-User License Agreement
It is a legal contract between the software developer and the user.
EXE
It is a file that can be executed by the computer directly.
FAT
File Allocation Table
It is an operating system developed for the hard drive.
FDD
Floppy Disk Drive
It is an external storage device.
FIFO
First In First Out
It is a cost flow assumption usually associated with the valuation of inventory and the cost of goods sold.
FLOPS
Floating Point Operations Per Second
Generally used to measure the performance of a computer’s processor.
FO
It is the medium of making communication wires.
FORTRAN
It is a programming language that is used in mathematical calculations.
fps
Frames Per Second
It is used to measure the frame rate.
FRAM
Ferroelectric Random Access Memory
It has the same feature as that of the flash memory.
FTP
File Transfer Protocol
It is a set of rules that is used to transfer a file between a server to a client on a computer network.
GB
It is a bit storage unit.
GIF
Graphics Interchange Format
It is a mechanism of storage and transmission of raster data type.
GIGO
Garbage In, Garbage Out
Common concept to computer science and mathematical equation.
GPL
General Public License
It is a free, genuine license used primarily for Software.
GUI
Graphical User Interface
It’s a computer program that allows a person to communicate with the computer with the help of visuals, pictures, etc.
HDD
Hard Disc Drive
It’s a low-cost high capacity storage data.
HPC
High Performance Computing
It is computing which delivers very high performance.
HPFS
High Performance File System
It is a file system developed by Microsoft, not commonly used with today’s computer and server.
HSR
Horizontal Scan Rate
It is commonly expressed in kilohertz (khz).
HTML
HyperText Markup Language
It is a language for document designing displayed in a web browser. It consists of a series of element.
HTTP
Hyper Text Transfer Protocol
It is a protocol used worldwide for distribute the data on web.
hw
Part of computer that can be touched.
IBM
International Business Machines
It is a computer hardware company.
ICMP
Internet Control Message Protocol
It is an error reporting protocol.
ICP
Internet Cache Protocol
It is a protocol that enables cache to communicate one another.
IIS
Internet Information Services
It is a web server developed by Microsoft.
IPTV
Internet Protocol Television
It is a process of transmission of television program through the internet.
ISDN
Integrated Service Digital Network
It is a set of standard for communication of data and voice. It is a telecommunication technology.
ISP
Internet Service Provider
It provides internet access to the organization and the home users.
ITPL
International Tech Park Limited
JDBC
Java Database Connectivity
It is an application programming interface which allows the programmer to interact with the database
JHTML
Java Within Hyper Text Language
It is standard HTML using java scripts
JPEG
Joint Photographic Experts Group
It is a committee which creates image coding standards, specifically those images who is produce by digital photography.
JSP
Java Server Pages
It is the programming technology, It is used for developing web application
Kbps
Kilobyte Per Second
It is data transfer rate
LCD
Liquid Crystal Display
It is a display technology used in flat TV and computer
LIFO
Last In First Out
It is a method in which when the last valuable assets placed in an inventory are the first sold during the accounting year.
LIPS
Logical Interface Per Second
LOC
It is a software metric used to measure the size of program by counting line
LSP
Layered Service Provider
It is designed to directly integrate into internet protocol.
MAC
Medium Access Control
It is generally said as sublayer of OSI data link layer
MAN
Metropolitan Area Network
It is a type of network
MBOS
Mega Bytes Per Second
MDI
Multiple Document Interface
It is programming interface which uses for creating application
MICR
Magnetic Ink Character Recognition
It is Character recognition technology generally used in banking industry
MIDI
Musical Instrument Digital Interface
It’s a communication protocol’s technical standard
MIPS
Millions Of Instructions Per Second
Measuring the raw speed of computer processor
MODEM
It is an essential device for internet connection.
MP3
Moving Pictures Experts Group Audio Layer-3
It is an audio device in computer system that uses layer III
MPEG
Moving Pictures Experts Group
It’s a committee form by the ISO and IEC
MSDN
Microsoft Developer Network
Managing the firm relationship with the developer
MSN
MSRAP
Microsoft Remote Administration Protocol
It is a method of controlling a computer from a remote location.
MTS
Microsoft Transaction Server
It manages the application and database transection requests on the behalf of client computer
MTU
Maximum Transmission Unit
It is a size of largest data protocol that can be communicated through a single line
NFS
Network File System
It is used in shared network to store or retrieve the data
NIC
Network Interface Controller
A essential hardware component by which a computer connect over a network.
NIIT
National Institute Of Information Technology
It was stablished in 1999. It is in New Delhi
NNTP
Network News Transfer Protocol
It is a network application used for transporting news articles
NOS
Network Operating System
This is operating system specially used to connecting computer devices in a local area network ( LAN)
NT
NTP
Network Time Protocol
It is an internet protocol which synchronize the computer clock to the network
OCP
Oracle Certified Professionals
It is person that has completed certification program offered by the oracle
OMR
Optical Mark Recognition
It is a device which can recognize human mark
ONE
Open Network Architecture
It is an architecture which is open for all
OOAD
Object Oriented Analysis and Design
It is a structured approach for analyzing and designing a system with applying object orientation
Open GL
Open Graphics Library
It is the application programming interface use in 2D and 3D graphics.
OS
It is the basic program of computer to perform the basic task
PCI
Peripheral Component Interconnect
PCI connects the peripherals to the motherboard
Portable Document Format
It is a file format used to exchange document reliably without any software, hardware and operating system.
PHP
PHP Hypertext Processor
It is programming language for general purpose.
PLC
Programmable Logic Controller
It is used to control automated system in the industries
POST
Power On Self Test
It is a routine run apply after power start
PPP
Peer to Peer Protocol
It is a protocol for the decentralized communication method
PROM
Programmable Read Only Memory
It is the memory that can be modify by the user
RAM
Random Access Memory
It is an internal memory of the computer.
RD RAM
Rambus Dynamic Random Access Memory
It’s a type of RAM made by Rambus. It is the fastest computer memory
R-DAT
Rotating-Head Digital Audio Tape
It is a medium of recording audio on tape on professional quality
RDBMS
Relational Database Management System
It is the common database stored in tabular form
RDO
Remote Data Objects
It is a computer program interface made by Microsoft.
RDP
Remote Desktop Protocol
It is a protocol which enables a remote user to add a graphics interface on desktop of another computer
RFC
Requests For Comments
ROM
Read Only Memory
It is one of the computer’s internal memory
RTC
Real Time Clock
It’s a highly accurate clock the keeps the track of current time.
RTOS
Real Time Operating System
It is operating system used for the real time analysis.
SAP
System, Applications & Products
SD RAM
Synchronous Dynamic Random Access Memory
It is a type of DRAM which is synchronous with the system bus carrying data between the CPU and memory controller hub
S-DAT
Stationary Digital Audio Tape
SG RAM
Synchronous graphics Random Access memory
It is a clock synchronized random access memory.
SIM
Subscriber Identification Module
Generally known as SIM card it is a removable smart card for the mobile phone.
SIMD
Single Instruction Multiple Data
It is a process of applying single instructions on multiple data
SISD
single instruction stream, single data
Tis a computer system that is capable to execute single instruction.
SMS
Short Message Service
It is used to text in short up to 160 character.
SMTP
Simple Mail Transfer Protocol
STMP is a standard protocol that provides the ability of sending and receiving the mails
SNA
System Network Architecture
It’s a mainframe networking and virtual telecommunications access method. It is developed by IBM
SQL
Structured Query Language
It’s a standard language used to create, maintain and retrieve the database.
SRAM
Static Random Access Memory
It’s a type of memory which is faster and more reliable.
TAPI
Telephony Application Program Interface
It is set of program application interfaces
TCP
Transmission Control Protocol
It is one of the internet protocol
TDI
Transport Data Interface
It is a method of transmitting the data over a serial digital interface data stream.
TPM
Tele Processing Monitor
It is a program that monitors a transaction as it passes from one stage to another.
UML
Unified Modelling Language
It is a professional level modelling language with very good graphics notation.
UNC
Universal Naming Convention
It is standard for identifying resources in a network
UPS
Uninterrupted Power Supply
It is an electrical equipment which supplies power to the computer in the situation of power cut
URL
Uniform Resource Locator
It is the address of the resource on the internet.
USB
Universal Serial Bus
This is used to connect different computer devices.
UTP
Unshielded Twisted Pair
These are the low cost twisted cables uses in LAN and telephone lines.
VAN
Virtual Area Network
It is a network which enables the users to share more visual sense of community
VB
It is a programming language
VC++
It is a language which supports object oriented programming
VGA
Video Graphics Array
These are the standard for the screen display equipment
VHS
Video Home System
VLSI
Very Large Scale Integrated
It’s a type of circuit used in computer
VOIP
Voice Over Internet Protocol
It is basically a telephone connection over internet
VPN
Virtual Private Network
It is a technology that creates a safe and encrypted connection over a less secure network
VRAM
Video Random Access Memory
This is a reference for all types of random access memory
VRML
Virtual Reality Modelling Language
This is the programming language used for creating and displaying 3D objects
VSNL
Videsh Sanchar Nigam Limited
It is an Indian telecommunication company
W3C
World Wide Web Consortium
It is an international consortium of companies.
WAP
Wireless Application Protocol
It is a set of protocols which enables to access the internet through mobile phones and PDAs
WINS
Windows Internet Name Service
It is a service by which windows are able to identify NetBIOS system on TCP/IP network
WML
Wireless Markup Language
It is a markup language for wireless devices also called as HDML
WORM
Write Once Read Many
It is a storage device in which modification is not allowed.
WWAN
Wireless Wide Area Network
It is a form of wireless network that provide network in a larger area.
WWW
It is a network of online content.
XML
Extensible Markup Language
It’s a text based format or language used to share data on WWW.
ZIF
Zero Insertion Force
It is a type of an IC’s socket that is used in CPU.
ZIP
Zone Information Protocol
It is the way of compress the file in a small place and can be transferred easily.