Abbreviations for Computer

Are you preparing for bank exams like IBPS PO, you must have computer knowledge. Here I am providing important abbreviations of computer science. This is a list of computing and IT acronyms and abbreviations.

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Letter A:

S.No	Short Form	Abbrevations
1	AAC	Advanced Audio Coding
2	ADC	Analog to Digital Converter
3	ADSL	Assymetric Digital Subscriber Line
4	AGP	Advanced Graphics Port
5	AI	Artificial Intelligence
6	ALU	Arithmetic Logic Unit
7	ANSI	American National Standards Institute
8	AOL	America Online
9	API	Application Programming Interface
10	APRANET	Advanced Research Projects Agency Network
11	ARP	Address Resolution Protocol
12	ASCII	American Standard Code for Information Interchange
13	ASP	Active Server Pages
14	ATM	Asynchronous Transfer Mode
15	ATM	Automated Teller Machine
16	AVI	Audio Video Interleave

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Letter B:

S.No	Short Form	Abbrevations
1	BCC	Blind Carbon Copy
2	BCD	Binary Coded Decimal
3	BCR	Bar Code Reader
4	BIOS	Basic Input Output System
5	BIU	Bus Interface Unit
6	BMP	Bitmap
7	BPS	Bits Per Seconds
8	BRD	Blu-Ray Disc

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Letter C:

S.No	Short Form	Abbrevations
1	CAD	Computer Aided Design
2	CADD	Computer Aided Drafting and Design
3	CAE	Computer Aided Engineering
4	CC	Carbon Copy
5	CD RW	Compact Disc ReWritable
6	CD	Change Directory (UNIX/DOS)
7	CD	Compact Disc
8	CDMA	Code Division Multiple Access
9	CD-R	Compact Disk - Recordable
10	CDROM	Compact Disk Read Only Memory
11	CDRW	Compact Disk Rewritable
12	CGI	Common Gateway Interface
13	CISC	Complex Instruction Set Computer
14	CLR	Common Language Runtime
15	CMD	Command
16	CMOS	Complimentary Metal Oxide Semiconductor
17	CMYK	Cyan-Magenta-Yellow-Black (color model)
18	COBOL	Common Business Oriented Language
19	CPU	Central Processing Unit
20	CROM	Computerized Range of Motion
21	CRT	Cathode Ray Tube
22	CSS	Cascading Style Sheets
23	CSV	Comma-Separated Value/Variable (file type)
24	CTRL	Control (computer keyboard key)

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Letter D:

S.No	Short Form	Abbrevations
1	DAC	Digital to Analog Converter
2	DARPANET	Defense Advanced Research Project Agency Network
3	DAT	Digital Audio Tape
4	DBA	Data Base Administrator
5	dB	Decibel
6	DBMS	Data Base Management System
7	DES	Data Encryption Standard
8	DHCP	Dynamic Host Configuration Protocol
9	DHTML	Dynamic Hyper Text Markup Language
10	DIR	Directory (file)
11	DLC	Data Link Control
12	DLL	Dynamic Link Library
13	DMA	Direct Memory Access
14	DNS	Domain Name System
15	Doc	Document
16	DOM	Document Object Model
17	DOS	Disk Operating System
18	DPI	Dots Per Inch
19	DRAM	Dynamic Random Access Memory
20	DSL	Digital Subscriber Line
21	DSN	Digital Subsriber Network
22	DTP	Desktop Publishing.
23	DVD	Digital Versatile Disk.

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Letter E:

S.No	Short Form	Abbrevations
1	EAP	Extensible Authentication Protocol
2	EB	EXA BYTE
3	EDGE	Enhanced Data Rate for GSM
4	EDSACE	lectronic Delay Storage Automatic Calculator
5	EEPROME	lectrically Erasable Programmable Random Access Memory
6	EFS	Encrypted File System
7	EiB	EXBI BYTE
8	EMACS	Editing Macros (Unix editor)
9	E-Mail	Electronic Mail
10	EPROM	Erasable Programmable Read Only Memory
11	EROM	Erasable Read Only Memory

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Letter F:

S.No	Short Form	Abbrevations
1	FAQ	Frequently Asked Question
2	FAT	File Allocation Table
3	FDD	Floppy Disk Drive
4	FDMA	Frequency Division Multiple Access
5	FIFO	First-In, First-Out
6	FM	Frequency Modulation
7	FPS	Frames Per Second
8	FS	File System
9	FTP	File Transfer Protocol

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Letter G:

S.No	Short Form	Abbrevations
1	GB	Giga Byte
2	GBPS	Gigabytes/Gigabits Per Second
3	GHz	GigaHertz
4	GiB	GIBI BYTE
5	GIF	Graphics Interchange Format
6	GIS	Geographic Information System
7	GPRS	General Packet Radio Service
8	GPS	Global Positioning Satellite/System
9	GPU	Graphics Processing Unit
10	GSM	Global System for Mobile Communication
11	GUI	Graphical User Interface

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Letter H:

S.No	Short Form	Abbrevations
1	HDD	Hard Disk Drive
2	HD	Hard Disk
3	HDMI	High Definition Multimedia Interface
4	HDTV	High Definition Television
5	HEX	Hexadecimal
6	HSDPA	High Speed Downlink Packet Access
7	HSV	Hue Saturation Value (color model)
8	HTML	Hyper Text Markup Language
9	HTTP	Hyper Text Transfer Protocol
10	HTTPS	Hyper Text Transfer Protocol Secure
11	HVD	Holographic Versatile Disc
12	Hz	Hertz (frequency, per second)

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Letter I:

S.No	Short Form	Abbrevations
1	I/O	Input / Output.
2	IBM	International Business Machines
3	IC	Integrated Circuit
4	ICMP	Internet Control Message Protocol
5	ICP	Internet Cache Protocol
6	IDE	Integrated Development Environment (Borland) + Integrated Drive Electronics + Intelligent Drive Electronics
7	IEEE	Institute of Electrical and Electronic Engineer
8	IE	Internet Explorer
9	IMAP4	Internet Message Access Protocol Version 4
10	IMAP	Internet Message Access Protocol
11	INFO	Information
12	INTEL	Integrated Electronics
13	IOP	Input Output Processor
14	iOS	iphone Operating System
15	IP	Internet Protocol.
16	IPV4	Internet Protocol Version 4
17	IPV6	Internet Protocol Version 6
18	IR	Infrared
19	ISA	Industry Standard Architecture
20	ISDN	International Services Digital Network
21	ISO	International Standards Organisation.
22	ISP	Internet Service Provider
23	ISR	Interrupt Service Routine
24	IT	Information Technology
25	IVR	Interactive Voice Response

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Letter J:

S.No	Short Form	Abbrevations
1	JAD	Java Application Descriptor/Development
2	JAR	Java Archive
3	JPEG	Joint Photographic Expert Group
4	JRE	Java Runtime Environment
5	JS	JavaScript
6	JSP	Java Server Page

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Letter K:

S.No	Short Form	Abbrevations
1	KBD	Key Board
2	KBPS	Kilobits Per Second
3	kHz	Kilohertz

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Letter L:

S.No	Short Form	Abbrevations
1	LAN	Local Area Network.
2	LCD	Liquid Crystal Display.
3	LED	Light Emitting Diode
4	LINUX	(Free-Source version of UNIX Operating system named after Linus Torvalds)
5	LOC	Lines of Code
6	LSB	Least Significant Bit
7	LSI	Large Scale Integration

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Letter M:

S.No	Short Form	Abbrevations
1	MAC	Media Access Control
2	MANET	Mobile Ad-Hoc Network
3	MAN	Metropolitan Area Network.
4	MB	Mega Byte.
5	Mbps	Megabits Per Second
6	MDI	Multiple Document Interface
7	MD	Make Directory (DOS/Unix)
8	MDS	Microcomputer Development System
9	MEG	Megabyte
10	MHz	Mega Hertz
11	MICR	Magnetic Ink Character Recognition
12	MIME	Multipurpose Internet Mail Extensions
13	MIPS	Million Intructions Per Second
14	MMS	Multimedia Messaging Service
15	MODE	MModulator-Demodulator
16	Mp3	MPEG Audio Layer 3
17	Mp4	MPEG – 4 AVC (Advanced Video Coding)
18	MPEG	Moving Picture Experts Group
19	MSB	Most Significant Bit
20	MSDN	Microsoft Developer Network
21	MS-DOS	Microsoft - Disk Operating System
22	MSIE	Microsoft Internet Explorer (Microsoft)
23	MS	Microsoft

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Letter N:

S.No	Short Form	Abbrevations
1	NASSCOM	National Association of Software and Services Companies
2	NCP	Network Control Protocol
3	NFS	Network File System
4	NIC	Network Interface Card
5	NIIT	National Institute of Information Technology
6	NOS	Network Operating System
7	NTFS	New Technology File System

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Letter O:

S.No	Short Form	Abbrevations
1	OCR	Optical Character Recognition
2	ODBC	Open Database Connectivity
3	OLE	Object Linking and Embedding
4	OMR	Optical Mark Reader/Recognition
5	OOPS	Object Oriented Programming System
6	OSI	Open System Interconnection
7	OSO	perating System
8	OSS	Open Source Software

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Letter P:

S.No	Short Form	Abbrevations
1	P2P	Point to Point Protocol
2	PAN	Personal Area Network
3	PAP	Password Authentication Protocol
4	PB	PETA BYTE
5	PCB	Printer Circuit Board
6	PCI	Peripheral Component Interconnect
7	PCL	Printer Command Language
8	PC	Perosnal Computer
9	PDA	Personal Digital Assistant
10	PDF	Portable Document Format
11	PHP	Hypertext Preprocessor
12	PiB	PEBI BYTE
13	PIXEL	Picture Element
14	PNG	Portable Network Graphics
15	PNP	Plug and Play
16	POP3	Post Office Protocol Version3
17	POP	Post Office Protocol (protocol for distributing email)
18	PPP	Peer-to-Point Protocol
19	PPTP	Point to Point Tunnelling Protocol
20	PRN	Printer
21	PROM	Programmable Read Only Memory
22	PSU	Power Supply Unit

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Letter Q:

S.No	Short Form	Abbrevations
1	QoS	Quality of Service

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Letter R:

S.No	Short Form	Abbrevations
1	RAID	Redundant Array of Inexpensive Disks
2	RAMDAC	Random Access Memory Digital to Analog Converter
3	RAM	Random Access Memory
4	RARP	Reverse Address Resolution Protocol
5	RAS	Remote Access Services
6	RDBMS	Relational Data Base Management System
7	RDRAM	Rambus Dynamic Random Access Memory
8	RGB	Red-Green-Blue (color model)
9	RISC	Reduced Instruction Set Computer
10	RJ-11	Standard U.S. phone connector
11	RJ-45	Standard Ethernet connector
12	ROM	Read Only Memory
13	ROTFL	(rolling on the floor laughing; email)
14	RTC	Real Time Clock
15	RTF	Rich Text Format

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Letter S:

S.No	Short Form	Abbrevations
1	SD RAM	Synchronous Dynamic Random Access Memory
2	SDK	Software Development Kit
3	SDL	Storage Definition Langauge
4	SDN	Software-Defined Networking
5	SDRAM	Synchronous Dynamic Random Access Memory
6	SDSL	Symmetric Digital Subscriber Line
7	SFTP	Secure File Transfer Protocol
8	SG RAM	Synchronous Graphics Random Access Memory
9	SGML	Standard Generalised Markup Language
10	SIMM	Single In-line Memory Module
11	SIM	Subscriber Identity Module
12	SIP	Session Initiation Protocol
13	SIU	Serial Interface Unit
14	SLIP	Serial Line Interface Protocol
15	SMPS	Switch Mode Power Supply
16	SMS	Short Message Service
17	SMTP	Simple Mail Transfer Protocol
18	SQL	Structured Query Language
19	SRAM	Static Random Access Memory
20	SSH	Secure Shell
21	SSL	Secure Sockets Layer
22	SVGA	Super Video Graphics Array
23	SW	Software

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Letter T:

S.No	Short Form	Abbrevations
1	TB	TERA BYTE
2	TCP/IP	Transmission Control Protocol/Internet Protocol
3	TCP	Transmission Control Protocol
4	TDMA	Time-Division Multiple Access
5	Tel Net	Telecommunication Networking
6	TEMP	Temporary
7	TiB	TEBI BYTE
8	TMP	Temporary
9	TXT	Text

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Letter U:

S.No	Short Form	Abbrevations
1	UAC	User Account Control
2	UAE	Unrecoverable Application Error
3	UART	Universal Asynchronous Receiver/Transmitter
4	UDMA	Ultra Direct Memory Access
5	UDP	User Datagram Protocol
6	UHF	Ultra High Frequency
7	UI	User Interface
8	UML	Unified Modeling Language
9	UMTS	Universal Mobile Telecommunication System
10	UNIX	Uniplexed Information and Computing Service
11	UPS	Uninterruptible Power Supply
12	URL	Uniform Resource Locator.
13	URN	Uniform Resource Name
14	USB	Universal Serial Bus.

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Letter V:

S.No	Short Form	Abbrevations
1	VB	Visual Basic
2	VCD	Video Compact Disc
3	VDU	Visual Display Unit
4	VFAT	Virtual File Allocation Table (Microsoft)
5	VFS	Virtual File System
6	VGA	Video Graphics Array
7	VHF	Very High Frequency
8	VIRUS	Vital Information Resource Under Seized
9	VLAN	Virtual Local Area Network
10	VLSI	Very Large Scale Integrated
11	VOIP	Voice Over Internet Protocol
12	VPN	Virtual Private Network
13	VRAM	Video Random Access Memory

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Letter W:

S.No	Short Form	Abbrevations
1	WAN	Wide Area Network.
2	WAP	Wireless Application Protocol
3	Wi-Fi	Wireless Fidelity.
4	WINS	Windows Internet Name Service
5	WLAN	Wireless Local Area Network
6	WMA	Windows Media Audio
7	WML	Wireless Markup Language
8	WMV	Windows Media Video
9	WORM	Write Once Read Many
10	WPM	Words Per Minute
11	WWW	World Wide Web

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Letter X:

S.No	Short Form	Abbrevations
X
1	XHTML	Extensible Hyper Text Markup Language
2	XML	Extension Markup Language
3	XSL	Extensible Style Language
4	XT	Extended Technology

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Letter Y:

S.No	Short Form	Abbrevations
1	YahooYet	Another Hierarchical Officious Oracle
2	YB	YOTTA BYTE

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Letter Z:

S.No	Short Form	Abbrevations
1	ZB	ZETTA BYTE