Computer Abbreviations A to Z

Computer Abbreviations are an integral part of the digital lexicon, simplifying complex technological concepts into concise and standardized terms. Understanding these abbreviations is essential for navigating the vast and dynamic world of computers.

At the core of computing, we encounter the CPU, or Central Processing Unit, often regarded as the brain of the computer, responsible for executing instructions. RAM, or Random Access Memory, provides quick and temporary storage for data actively used by the CPU, while ROM, Read-Only Memory, retains essential instructions even when the computer is powered off.

List of Important Computer Abbreviations

These abbreviations extend to programming languages (HTML, CSS, JavaScript, SQL), file formats (PDF, JPEG, PNG), and interface technologies (USB). In the complex tapestry of computing, these abbreviations serve as linguistic shortcuts, fostering efficient communication and comprehension in the ever-evolving world of technology.

Computer Abbreviation is one of the most frequently asked topics in the Computer Awareness section for various Government exams.

S. No.	Computer Abbreviation	Full-Form
1	AAC	Advanced Audio Coding
2	ABR	Average Bit Rate
3	ADSL	Asymmetric Digital Subscriber Line
4	AGP	Advanced Graphics Port
5	AI	Artificial Intelligence
6	AIM	AOL Instant Messenger
7	ALGOL	Algorithmic Language
8	ALU	Arithmetic Logic Unit
9	AOL	America Online
10	AMD	Advanced Micro Devices
11	API	Application Program Interface
12	APT	Automatically Programmed Tooling
13	ARP	Address Resolution Protocol
14	ARPANET	Advanced Research Projects Agency Network
15	ARQ	Automatic Repeat Request
16	AS	Autonomous System
17	ASCII	American Standard Code for Information Interchange
18	ASP	Active Server Pages
19	ASPI	Advanced SCSI Programming Interface
20	ATA	Advanced Technology Attachment
21	ATDT	Attention Dial Tone
22	AUI	Attachment Unit Interface
23	AUTOEXEC	Autoexec Automatic Execution file
24	AVI	Audio Video Interleave
25	BASIC	Beginner’s All-purpose Symbolic Instruction Code
26	BCC	Blind Carbon Copy
27	BCD	Binary Coded Decimal
28	BCR	Bar Code Reader
29	BDSL	Broadband DSL
30	BEDO	Burst Extended Data Out (RAM)
31	BGP	Border Gateway Protocol
32	BHTML	Broadcast Hyper Text Markup Language
33	BIOS	Basic Input Output System
34	BIPS	Billion Instruction Per Second
35	BIU	Bus Interface Unit
36	BMP	Bitmap
37	BRD	Blu-Ray Disc
38	CC	Carbon Copy
39	CD	Compact Disk
40	CD-R	Compact Disk – Recordable
41	CDROM	Compact Disk Read Only Memory
42	CDRW	Compact Disk Rewritable
43	CD-WO	Compact Disk – Write Once
44	CD-XA	Compact Disk – Extended Architecture
45	CGI-BIN	Common Gateway Interface – Binary (programming for Web forms)
46	CIS	CompuServe Information Service
47	CISC	Complex Instructions Set Computers
48	CMD	Command
49	CMYK	Cyan-Magenta-Yellow-Black (color model)
50	CNM	Circulatory Network Mode
51	COAX	Coaxial Cable (for Ethernet and similar networks)
52	COBOL	Common Business Oriented Language
53	COMPUTER	Commonly Operated Machine Particularly Used for Trade/Technology, Education, and Research.
54	CPI	Clock / Cycle Per Instruction
55	CPU	Central Processing Unit
56	CROM	Computerized Range of Motion
57	CRT	Cathode Ray Tube( standard type computer monitor display
58	CSLIP	Compressed Serial Line Interface Protocol (Internet)
59	CSS	Cascading Style Sheets
60	CTRL	Control (computer keyboard key)
61	CUI	Character User Interface
62	DAC	Data Acquisition and Control
63	DAT	Digital Audio Tape
64	dB	Decibel
65	DBMS	Data Base Management System
66	DDL	Data Definition Language
67	DHTML	Dynamics Hyper Text Markup Language
68	DML	Data Manipulation Language
69	DNS	Domain Name System
70	DOC	Data Optimizing Computer
71	Doc	Document
72	DOS	Disk Operating System
73	DRAM	Dynamic Random Access Memory
74	DVD	Digital Video/Versatile Disc
75	DVDR	Digital Versatile Disk Recordable
76	DVDRW	Digital Versatile Disk Rewritable
77	DCE	Data Communications Equipment
78	DVI	Digital Visual Interface
79	DVR	Digital Video Recorder
80	E-Commerce	Electronic Commerce
81	EDC	Electronic Digital Computer
82	EDI	Electronic Data Interchange
83	EDP	Electronic Data Processing
84	EEPROM	Electronically Erasable Programmable Read Only Memory
85	EFS	Encrypted File System
86	EIDE	Enhanced Integrated Drive Electronics
87	E-Mail	Electronic Mail
88	EPROM	Erasable Programmable Read Only Memory
89	EROM	Erasable Read Only Memory
90	FDD	Floppy Disk Drive
91	GB	Giga Byte
92	GDI	Graphical Device Interface
93	GUI	Graphical User Interface
94	HD	Hard Disk
95	HTML	Hyper Text Markup Language
96	HTTP	Hyper Text Transfer Protocol
97	I/O	Input/Output (serial and parallel ports)
98	IC	Integrated Circuit
99	IMAP	Internet Message Access Protocol
100	INTEL	Integrated Electronics
101	IOP	Input Output Processor
102	IP	Internet Protocol
103	ISDN	Integrated Services Digital Network
104	ISP	Internet Service Provider
105	IVR	Interactive Voice Response
106	KB	KILOBYTE
107	Kbps	Kilobits/Kilobytes Per Second
108	LAN	Local Area Network
109	LED	Light Emitting Diode
110	LLL	Low Level Language
111	LPT	Line Printer
112	MAC	Media Access Control
113	MAN	Metropolitan Area Network
114	MB	Motherboard/ Megabyte
115	MBASIC	Microsoft BASIC (Microsoft)
116	MBPS	Megabytes Per Second
117	Mbps	Megabits Per Second
118	MICR	Magnetic Ink Character Recognition
119	MMX	Multimedia Extensions
120	MODEM	Modulator Demodulator
121	MSCDEX	Microsoft Compact Disc Extension
122	MS-DOS	Microsoft – Disk Operating System
123	NAT	Network Address Translation
124	NTP	Network Time Protocol
125	OCR	Optical Character Reader
126	OMR	Optical Mark Reader
127	OOP	Object Oriented Programming
128	OS	Operating System
129	P2P	Point to Point Protocol
130	PAN	Personal Area Network
131	PC	Personal Computer
132	PCB	Printer Circuit Board
133	PCI	Peripheral Component Interconnect
134	PHP	Hypertext Preprocessor
135	PIXEL	Picture Element
136	PNG	Portable Network Graphics
137	PPP	Point to Point Protocol
138	PRN	Printer
139	PROM	Programmable Read Only Memory
140	RAM	Random Access Memory
141	RARP	Reverse Address Resolution Protocol
142	RDBMS	Relational Data Base Management System
143	RIP	Routing Information Protocol
144	RISC	Reduced Instruction Set Computer
145	ROM	Read Only Memory
146	SAM	Software Asset Management
147	SAN	Storage Area Network
148	SCSI	Small Computer System Interface
149	SDRAM	Synchronous Dynamic Random Access Memory
150	SFTP	Secure File Transfer Protocol
151	SGML	Standard Generalized Markup Language
152	SGRAM	Synchronous Graphics RAM
153	SIP	Session Initiation Protocol
154	SIU	Serial Interface Unit
155	SMTP	Simple Mail Transfer Protocol
156	SNAP	Sub Network Access Protocol
157	SNMP	Simple Network Management Protocol
158	SRAM	Static Random Access Memory
159	SYSOP	System Operator
160	TCP	Transmission Control Protocol
161	UI	User Interface
162	URL	Uniform Resource Locator
163	USB	Universal Serial Bus
164	VCD	Video Compact Disk
165	VDU	Visual Display Unit
166	VIRUS	Vital Information Resource Under Siege
167	VRAM	Video Random Access Memory
169	VxD	Virtual Extended Driver
170	WAN	Wide Area Network
171	WAP	Wireless Application Protocol
172	WBMP	Wireless Bitmap Image
173	WIFI	Wireless fidelity
174	WLAN	Wireless Local Area Network
175	WML	Wireless Markup Language
176	WWW	World Wide Web
178	XGA	Extended Graphics Array
179	XHTML	Extensible Hyper Text Markup Language
180	XMF	Extensible Music File
181	XML	Extensible Markup Language
182	XMS	Extended Memory Specification
183	FORTRAN	Formula Translation

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