Computer Science Important Abbreviations

• Al – Artificial intelligence
• ALGOL – Algorithmic Language
• ARP – Address resolution Protocol
• ASCII – American Standard Code for Information Interchange

B

• BINAC  – Binary Automatic Computer
• BCC – Blind Carbon Copy
• Bin – Binary
• BASIC – Beginner’s All-purpose Symbolic Instruction Code
• BIOS – Basic Input Output System
• Bit – Binary Digit
• BSNL – Bharat Sanchar Nigam Limited

C

• CC – Carbon Copy
• CAD – Computer Aided Design
• COBOL – Common Business Oriented Language
• CD – Compact Disc
• CRT – Cathode Ray Tube
• CDR – Compact Disc Recordable
• CDROM – Compact Disc Read Only Memory
• CDRW – Compact Disc Rewritable
• CDR/W – Compact Disk Read/Write

D

• DBA – Data Base Administrator
• DBMS – Data Base Management System
• DNS – Domain Name System
• DPI – Dots Per Inch
• DRAM – Dynamic Random Access Memory
• DVD – Digital Video Disc/Digital Versatile Disc
• DVDR – DVD Recordable
• DVDROM – DVD Read Only Memory
• DVDRW – DVD Rewritable
• DVR – Digital Video Recorder
• DOS – Disk Operating System

E

• EBCDIC – Extended Binary Coded Decimal Interchange Code
• e-Commerce – Electronic Commerce
• EDP – Electronic Data Processing
• EEPROM – Electrically Erasable Programmable Read Only Memory
• ELM/e-Mail – Electronic Mail
• ENIAC – Electronic Numerical Integrator and Computer
• EOF – End Of File
• EPROM – Erasable Programmable Read Only Memory
• EXE – Executable

F

• FAX – Far Away Xerox/ facsimile
• FDC – Floppy Disk Controller
• FDD – Floppy Disk Drive
• FORTRAN – Formula Translation
• FS – File System
• FTP – File Transfer Protocol

G

• Gb – Gigabit
• GB – Gigabyte
• GIF – Graphics Interchange Format
• GSM –  Global System for Mobile Communication

H

• HDD – Hard Disk Drive
• HP – Hewlett Packard
• HTML – Hyper Text Markup Language
• HTTP – Hyper Text Transfer Protocol

I

• IBM – International Business Machine
• IM – Instant Message
• IMAP – Internet Message Access Protocol
• ISP – Internet Service Provider

J

• JPEG – Joint Photographic Experts Group

K

• Kb – Kilobit
• KB – Kilobyte
• KHz – Kilohertz
• Kbps – Kilobit Per Second

L

• LCD – Liquid Crystal Display
• LED – Light Emitting Diode
• LPI – Lines Per Inch
• LIS – Large Scale Integration

M

• Mb – Megabit
• MB – Megabyte
• MPEG – Moving Picture Experts Group
• MMS – Multimedia Message Service
• MICR – Magnetic Ink Character reader
• MIPS – Million Instructions Per Second

N

• NIC – Network Interface Card
• NOS – Network Operating System

O

• OMR – Optical Mark Reader
• OOP – Object Oriented Programming
• OSS – Open Source Software

P

• PAN – Personal Area Network
• PC – Personal Computer
• PDA – Personal Digital Assistant
• PDF – Portable Document Format
• POS – Point Of Sale
• PNG – Portable Network Graphics
• PPM – Pages Per Minute
• PPP – Point-to-Point Protocol
• PROM – Programmable Read Only Memory
• PSTN – Public Switched Telephone Network
• POST – Power On Self Test
• PING – Packet Internet Gopher

R

• RAM – Random Access Memory
• RDBMS – Relational Data Base Management System
• RIP – Routing Information Protocol
• RTF – Rich Text Format

S

• SMTP – Simple Mail Transfer Protocol
• SQL – Structured Query Language
• SRAM – Static Random Access Memory
• SNMP – Simple Network Management Protocol
• SIM – Subscriber Identification Module

T

• TCP – Transmission Control Protocol
• TB – Tera Bytes

U

• UPS – Uninterrupted Power Supply
• URI – Uniform Resource Identifier
• URL – Uniform Resource Locator
• USB –  Universal Serial Bus
• ULSI – Ultra Large Scale Integration
• UNIVAC – Universal Automatic Computer

V

• VAR – Variable
• VGA – Video Graphics Array
• VSNL – Videsh Sanchar Nigam Limited
• VDU – Visual Display Unit

W

• Wi-Fi – Wireless Fidelity
• WLAN – Wireless Local Area Network
• WPA – Wi-Fi Protected Access
• WWW – World Wide Web
• WORM – Write Once Read Many

X

• XHTML – eXtensible Hyper text Markup Language
• XML –  eXtensible Markup language

Z

• ZB – Zeta Byte

Some other Important Abbreviations – 

• OCR – Optical Character Readers
• ODBC – Open Data Base Connectivity
• OLE – Object Linking And Embedding
• OMR – Optical Mark Reader
• ONE – Open Network Architecture
• OOA – Object Orient Analysis
• OOAD – Object Oriented Analysis And Design
• OOP – Object Oriented Programming
• OOPS – Object Oriented Programming System
• OPEN GL – Open Graphics Library
• 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
• PILOT – Programmed Inquiry Learning Or Teaching
• 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
• PS – Post Script
• 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
• RDO – Remote Data Objects
• RDP – Remote Desktop Protocol
• RFC – Request For Comments
• RGB – Red Green Blue
• 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
• SAM – Security Access Manager
• SAP – Service Access Point, Systems ApplicationsProducts
• SCMP –  Software Configuration Management Plan
• SD RAM – Synchronous Dynamic Random AccessMemory
• SDD  – Software Design Description
• SDK – Software Development Kit
• SDL – Storage Definition Language
• SDN – Integrated Service Digital Network
• SDSL – Symmetric Digital Subscribes Line
• SG RAM – Synchronous Graphics Random AccessMemory
• SGML – Standard Generalized Markup Language
• SIM – Subscriber Identification Module
• SIMD – Single Instruction Multiple Data
• SISD – Single Instruction Single Data
• SIU – Serial Interface Unit
• SMP – Symmetric MultiProcess
• SMS – Short Message Service
• SMTP – Simple Mail Transfer Protocol
• SNA – System Network Architecture
• SNAP – Sub Network Access Protoco
• lSNMP – Simple Network Management Protocol
• SNOBOL – String Oriented Symbolic Language
• SOAP – Simple Object Access Protocol
• SPX – Sequenced Packet Exchange
• SQA – Statistical Quality Assurance
• SQL – Structured Query Language
• SRAM – Static Random Access Memory
• SRS – Software Requirements Specification
• STP – Shielded Twisted Pair
• SVVP – Software Verification And Validation Plan
• SW – Software
• TAPI – Telephony Application Program Interface
• TB – Tera Bytes
• TCP – Transmission Control Protocol
• TCPIP – Transmission Control Protocol InternetProtocol
• TDI – Transport Data Interface
• TDMA – Time Division Multiple Access
• TPM – Transactions Processing Monitor
• TSR – Terminate And Stay Residents
• UDD – User Datagram Protocol
• UDP – User Datagram Protocol
• UI – User Interface
• UML – Unified Modelling Language
• UNC – Universal Naming Convention
• UNIX – Uniplexed Information And ComputerSystems
• URL – Universal Resource Locator
• USB – Universal Serial Bus
• USRT – Universal Synchronous ReceiverTransmitted
• UTP  -Unshielded Twisted Pair
• VAN – Virtual Area Network
• VAST – Very Small Aperture Terminal
• VB – Visual Basic
• VC++ – Visual C++
• VCD – Video Compact Disc
• VDL – View Definition Language
• VGA – Video Graphics Array
• VHS – Video Home System
• VLIW – Very Long Instruction Words
• VLSI – Very Large Scale Integrated Circuits
• VPN – Virtual Private Network
• VRAM – Video Random Access Memory
• VRML – Virtual Reality Modelling Language
• VS – Visual Studio
• VVR – Software Validation And Validation Report
• VXD – Virtual Device Driver
• W3C – World Wide Web Consortium
• WAIS – Wide Area Information Servers
• WAN – Wide Area Network
• WAP – Wireless Application Protocol
• WBEM – WebBase Enterprise Management
• WDM – Wave Division Multiplexing
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