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Computer Abbreviations, Computer Awareness Notes | Study Famous Books for UPSC Exam (Summary & Tests) - UPSC

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A

 

  • 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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