Computer Abbreviation for competitive Exams

Important Computer Abbreviations

Computer Abbreviation is one of the most frequently asked topics for various government exams in the Computer Knowledge section. The important computer abbreviations list given below must be passed through aspirants preparing for the upcoming competitive exam. We bring to you the list of important computer abbreviations in this article, along with a few sample questions that may be asked about this subject.

Important Computer Abbreviations for Government Exams

S.No	Acronym	Abbreviations
1	TCP	Transmission Control Protocol
2	UPS	Uninterruptible Power Supply
3	SATA	Serial Advanced Technology Attachment
4	SMPS	Switched-Mode Power Supply
5	RAM	Random Access Memory
6	ROM	Read Only Memory
7	CD	Compact Disk
8	DVD	Digital Versatile Disk
9	CRT	Cathode Ray Tube
10	CPU	Central Processing Unit
11	SAP	System Application & Products
12	PNG	Portable Network Graphics
13	IP	Internet Protocol
14	URL	Uniform Resource Locator
15	USB	Universal Serial Bus
16	VIRUS	Vital Information Resource Under Seized
17	GIS	Geographical Information system
18	DDS	Digital Data Storage
19	CAD	Computer Aided Design
20	ACPI	Advanced Configuration And Power Interface
21	AGP	Accelerated Graphics Port
22	APM	Advanced Power Management
23	APIPA	Automatic Private Internet Protocol Addressing
24	ASIC	Application Specific Integration circuit
25	CAL	Computer Aided Leering
26	HTTP	Hyper Text Transfer Protocol
27	HTTPS	Hyper Text Transfer Protocol Secure
28	DEC	Digital Equipment Corporation
29	GPS	Global Positioning System
30	GPU	Graphics Processing Unit
31	GDI	Graphics Device Interface
32	CDMA	Code Division Multiple Access
33	ANSI	American National Standards Institute
34	ICP	Internet Cache Protocol
35	GIGO	Garbage In Garbage Out
36	GPL	General Public License
37	GCR	Group Code Recording
38	MSN	Microsoft Networks
39	BCC	Blind Carbon Copy
40	VDI	Virtual Desktop Infrastructure
41	MPEG	Moving Picture Experts Group
42	ECC	Excise Control Code
43	WIFI	Wireless Fidelity
44	TPU	Tensor Processing Unit
45	PSD	Photo-Shop Document
46	DPI	Dots Per Inch
47	FYA	For Your Action
48	VoIP	Voice over Internet Protocol
49	CRS	Computer Reservation System
50	CTR	Cathode Ray Tube
51	BFD	Binary File Descriptor
52	ABR	Available Bit Rate
53	Gbps	Gigabits Per Second
54	VPN	Virtual Private Network
55	FYI	For Your Information
56	PING	Packet InterNet Groper
57	CSMA	Carrier Sense Multiple Access
58	AD	Active Directory
59	ADC	Analog-to-Digital Converter
60	BGP	Border Gateway Protocol
61	CSI	Common System Interface
62	DHCP	Dynamic Host Configuration Protocol
63	OSI	Open Systems Interconnection
64	LAN	Local Area Network
65	WLAN	Wireless Local Area Network
66	WAN	Wide Area Network
67	MAN	Metropolitan Area Network
68	PAN	Personal Area Network
69	MAC	Media Access Control
70	OMR	Optical Mark Recognition
71	CMD	Command
72	NIC	Network Interface Card
73	LDAP	Lightweight Directory Access Protocol
74	UART	Universal Asynchronous Receiver-Transmitter
75	DCE	Distributed Computing Environment
76	PFA	Please Find Attached
77	HAL	Hardware Abstraction Layer
78	HCI	Human Computer Interaction
79	FHS	Filesystem Hierarchy Standard
80	FCS	Frame Check Sequence
81	DVE	Digital Video Effects
82	DLL	Dynamic Link Library
83	CSV	Comma-Separated Values
84	CTCP	Client-to-Client Protocol
85	ABI	Application Binary Interface
86	MIS	Management Information Systems
87	BIOS	Basic Input Output System
88	SMTP	Simple Mail Transfer Protocol
89	LTE	Long Term Evolution
90	AHA	Accelerated Hub Architecture
91	ALU	Arithmetic Logical Unit
92	FPU	Floating Point Unit
93	FXP	File Exchange Protocol
94	HHD	Hybrid Hard Drive
95	HID	Human Interface Device
96	FDDI	Fiber Distributed Data Interface
97	IOS	Internetwork Operating System
98	iOS	iPhone Operating System
99	PATA	Parallel Advanced Technology Attachment
100	DDR	Double Data Rate
101	VLC	Video LAN Client
102	PC	Personal Computer
103	ASCII	American Standard Code for Information Interchange
104	ERP	Enterprise Resource Planning
105	HSDPA	High Speed Downlink Packet Access
106	VHF	Very High Frequency
107	DOC	Document (Microsoft Corporation)
108	PDF	Portable Document Format
109	JPG	Joint Photographic Experts Group
110	UHF	Ultra-High Frequency
111	UNICS	UNiplexed Information Computing System
112	SPSS	Statistical Package for the Social Sciences
113	OOPS	Object-Oriented Programming System
114	Mac	Macintosh
115	OS	Operating System
116	MSDN	Microsoft Developer Network
117	SOAP	Simple Object Access Protocol
118	NTFS	New Technology File System
119	GUI	Graphical User Interface
120	ISP	Internet Service Provider
121	CGI	Common Gateway Interface
122	FAT	File Allocation Table
123	VLAN	Virtual Local Area Network
124	SSL	Secure Sockets Layer
125	IRC	Internet Relay Chat
126	FTP	File Transfer Protocol
127	EDP	Electronic Data Processing
128	PCB	Process Control Block
129	HDD	Hard Disk Drive
130	CRM	Customer Relationship Management
131	RJ45	Registered Jack 45
132	ASL	Age Sex Location
133	UDP	User Datagram Protocol
134	NAT	Network Address Translation
135	SNMP	Simple Network Management Protocol
136	CIM	Common Information Model
137	BAL	Basic Assembly Language
138	BCD	Binary Coded Decimal
139	POP	Post Office Protocol
140	SRAM	Static Random-Access Memory
141	CRC	Cyclic Redundancy Check
142	LLC	Logical Link Control
143	ARP	Address Resolution Protocol
144	MAPI	Messaging Application Program Interface
145	EIGRP	Enhanced Interior Gateway Routing Protocol
146	IIS	Internet Information Services
147	ADSL	Asymmetric Digital Subscriber Line
148	OSPF	Open Shortest Path First
149	RIP	Routing Information Protocol
150	BER	Bit Error Rate
151	CLI	Command Line Interface
152	ASP	Application Service Provider
153	ASP	Active Server Pages
154	DRAM	Dynamic Random-Access Memory
155	Computer	Commonly Operated Machine Particularly Used for Technology Education and Research
156	WWW	World Wide Web
157	DAT	Digital Audio Tape
158	DOS	Disk Operating System
159	SWF	Shock Wave Flash
160	WMA	Windows Media Audio
161	WAV	Waveform Audio
162	WMV	Windows Media Video
163	TFTP	Trivial File Transfer Protocol
164	AST	Abstract Syntax Tree
165	AVC	Advanced Video Coding
166	WUSB	Wireless Universal Serial Bus
167	WWAN	Wireless Wide Area Network
168	FDC	Floppy Disk Controller
169	FDD	Floppy Disk Drive
170	FDMA	Frequency-Division Multiple Access
171	DFD	Data Flow Diagram
172	DFS	Distributed File System
173	DIVX	Digital Video Express
174	CGA	Color Graphics Array
175	CMOS	Complementary Metal–Oxide Semiconductor
176	CIFS	Common Internet File System
177	RPM	Red-Hat Package Manager
178	SAS	Statistical Analysis System
179	DTP	Desk-Top Publishing
180	OCR	Optical Character Reader
181	P2P	Peer-To-Peer
182	M3G	Mobile 3D Graphics
183	AMD	Advanced Micro Devices
184	NAP	Network Access Points
185	NAP	Network Access Protection
186	HP	Hewlett Packard
187	JPEG	Joint Photographic Expert Group
188	BMP	Bitmap
189	3GP	3rd Generation Project
190	SOA	Service-Oriented Architecture
191	LBA	Logical Block Addressing
192	API	Application Programming Interface
193	WAP	Wireless Application Protocol
194	ARPANET	Advanced Research Project Agency Network
195	XMF	Extensible Music File
196	WBMP	Wireless BitMap Image
197	DAP	Direct Access Protocol
198	DBA	Database Administrator
199	CTL	Computation Tree Logic
200	CTS	Clear to Send
201	DLP	Digital Light Processing
202	DMA	Direct Memory Access
203	EBCDIC	Extended Binary Coded Decimal Interchange Code
204	EEPROM	Electrically Erasable Programmable Read-Only Memory
205	EPROM	Erasable Programmable Read Only Memory
206	HTM	Hierarchical Temporal Memory
207	HTX	Hyper Transport Expansion
208	HVD	Holographic Versatile Disk
209	ELF	Executable and Linkable Format
210	SIS	Security and Intelligence Services
211	AMR	Adaptive Multi-Rate
212	3GPP	3rd Generation Partnership Project
213	HIG	Human Interface Guidelines
214	HPFS	High Performance File System
215	DSL	Digital Subscriber Line
216	DSL	Domain-Specific Language
217	DBSN	Database Source Name
218	DTE	Data Terminal Equipment
219	CUA	Common User Access
220	DAO	Data Access Objects
221	CAE	Computer-Aided Engineering
222	DTR	Data Terminal Ready
223	BiDi	Bi-Directional
224	BINAC	Binary Automatic Computer
225	BLOB	Binary large Object
226	AVI	Audio Video Interleave
227	RTS	Real Time Streaming
228	SIS	Safety Instrumented System
229	BPS	Bits Per Second
230	BW	Bandwidth
231	DVI	Digital Visual Interface
232	DVR	Digital Video Recorder
233	CAI	Computer-Aided Instruction
234	CAQA	Computer–Aided Quality Assurance
235	ISO	International Organization for Standardization
236	ISR	Interrupt Service Routine
237	ISV	Independent Software Vendor
238	VFS	Virtual File System
239	VGA	Video Graphics Array
240	VPU	Visual Processing Unit
241	VT	Video Terminal
242	BCR	Bar Code Reader
243	BPI	Bytes Per Inch
244	DSHD	Double Sided High Density
245	DTS	Digital Theater System
246	VDU	Video Display Unit
247	VLSI	Very Large Scale Integration
248	XGA	Extended Graphics Array
249	ZIF	Zero-Insertion-Force
250	ZIP	Zigzag Inline Package
251	ASR	Automated System Recovery
252	CCD	Charged Coupled Device
253	EFT	Electronic fund Transfer
254	ERNET	Education and Research Network
255	CAM	Computer Aided Manufacturing
256	WINS	Windows Internet Naming Service
257	VGCT	Video Graphics Character Table
258	VM	Virtual Memory
259	PAP	Password Authentication Protocol
260	PCI	Peripheral Component Interconnect
261	LSB	Least Significant Bit
262	MBCS	Multi Byte Character Set
263	IGMP	Internet Group Management Protocol
264	IGRP	Interior Gateway Routing Protocol
265	IPTV	Internet Protocol Television
266	IPX	Internetwork Packet Exchange
267	UAC	User Account Control
268	UEFI	Unified Extensible Firmware Interface
269	URI	Uniform Resource Identifier
270	WPA	Wireless Protected Access
271	WUXGA	Wide Ultra Extended Graphics Array
272	UNIVAC	Universal Automatic Computer
273	VCR	Video Cassette Recorder
274	URN	Uniform Resource Name
275	UTF	Unicode Transformation Format
276	UTP	Unshielded Twisted Pair
277	NOS	Network Operating System
278	NTP	Network Time Protocol
279	NVRAM	Non-Volatile Random-Access Memory
280	IHV	Independent Hardware Vendor
281	IIOP	Internet Inter-ORB Protocol
282	CNR	Communication Network Riser
283	CRIMM	Continuity-Rambus Inline Memory Module
284	IRQ	Interrupt Request
285	ISC	Internet Storm Center
286	TDR	Time Domain Reflectometer
287	VRAM	Video Random Access Memory
288	WEP	Wired Equivalent Privacy
289	TDM	Time Division Multiplexing
290	ULSI	Ultra Large Scale Integration
291	GP	Graphics port
292	SPI	Serial Peripheral Interface
293	SVG	Scalable Vector Graphics
294	NMI	Non-Maskable Interrupt
295	NNTP	Network News Transfer Protocol
296	IMAP	Internet Message Access Protocol
297	IPC	Inter-Process Communication
298	IPP	Internet Printing Protocol
299	BEMA	Business Equipment Manufacturers Association
300	DAC	Discretionary Access Control
301	DPMS	Display Power Management Signaling
302	ECP	Extended Capabilities Port
303	MBR	Master Boot Record
304	MDI	Multiple Document Interface
305	MICR	Magnetic Ink Character Recognition
306	MIDI	Musical Instrument Digital Interface
307	MIMO	Multiple-Input Multiple Output
308	MIPS	Million Instructions Per Second
309	MIME	Multipurpose Internet Mail Extensions
310	MHz	Megahertz
311	MMU	Memory Management Unit
312	MMX	Multi-Media Extensions
313	MNG	Multiple-image Network Graphics
314	MOSFET	Metal-Oxide Semiconductor Field Effect Transistor
315	MPL	Mozilla Public License
316	MSB	Most Significant Bit
317	MVS	Multiple Vendor System
318	NFS	Network File System
319	KB	Kilo-bytes
320	MB	Mega-bytes
321	GB	Giga-bytes
322	TB	Tera-bytes
323	PB	Peta-bytes
324	EB	Exa-bytes
325	ZB	Zetta-bytes
326	YB	Yotta-bytes
327	BY	Bronto-bytes
328	IPV4	Internet Protocol Version 4
329	IPV6	Internet Protocol Version 6
330	1024 Bytes	1 Kilo-byte ( KB )
331	1024 KB	1 Mega-byte ( MB )
332	1024 MB	1 Giga-byte ( GB )
333	1024 GB	1 Tera-byte ( TB )
334	1024 TB	1 Peta-byte ( PB )
335	1024 PB	1 Exa-byte ( EB )
336	1024 EB	1 Zetta-byte ( ZB )
337	1024 ZB	1 Yotta-byte ( YB )
338	1024 YB	1 Bronto-byte ( BB )
339	1024 BB	1 Geop-byte ( GB )
340	PINE	Program for Internet News & Email
341	PIO	Programmed Input/Output
342	PLC	Programmable Logic Controller
343	PPI	Pixels Per Inch
344	PPP	Point-to-Point Protocol
345	PPTP	Point-to-Point Tunneling Protocol
346	PSU	Power Supply Unit
347	RAIT	Redundant Array of Inexpensive Tapes
348	RDBMS	Relation Database Management System
349	RDF	Resource Description Framework
350	RGB	Red, Green, Blue
351	RTOS	Real Time Operating System
352	SAN	Storage Area Network
353	SBU	Standard Build Unit
354	SCSI	Small Computer System Interface
355	SDL	Software and Documentation Localization
356	SDN	Service Delivery Network
357	SDR	Software-Defined Radio
358	SHDSL	Single-pair High-speed Digital Subscriber Line
359	SIMD	Single Instruction, Multiple Data
360	SIMM	Single In-Line Memory Module
361	DIMM	Dual In-Line Memory Module
362	SMBIOS	System Management BIOS
363	ERD	Emergency Repair Disk
364	ESD	Electro Static Discharge
365	POST	Power on self-test
366	PSTN	Public Switched Telephone Network
367	STP	Shielded Twisted Pair
368	SVGA	Super Video Graphics Array
369	SXGA	Super Extended Graphics Array
370	EMP	Electro-Magnetic Pulse
371	EPP	Enhanced Parallel Port
372	EFS	Encrypting File System
373	EIDE	Enhanced Integrated Drive Electronics
374	ISDN	Integrated Services Digital Network
375	ISH	Information Super Highway
376	EISA	Extended Industry Standard Architecture
377	EMI	Electro-Magnetic Interference
378	MBSA	Microsoft Baseline Security Analyzer
379	MCR	Multivariant Curve Resolution
380	MTBF	Mean Time Between Failure
381	NIU	Network Interface Unit
382	LASER	Light Amplification for Stimulated Emission of Radiation
383	LCD	Liquid Crystal Display
384	NAS	Network-Attached Storage
385	HCL	Hardware Compatibility List
386	ICS	Internet Connection Sharing
387	PIN	Personal Identification Number
388	PKI	Public Key Infrastructure
389	POTS	Plain Old Telephone Service
390	MMC	Microsoft Management Console
391	MUI	Multilingual User Interface
392	PVC	Permanent Virtual Circuit
393	RAS	Remote Access Service
394	MFP	Multi-Function Product
395	MLI	Multiple Link Interface
396	PRI	Primary Rate Interface
397	ICR	Intelligent Character Recognition
398	ISA	Industry Standard Architecture
399	OEM	Original Equipment Manufacturer
400	SEC	Single Edge Connector
401	SFC	System File Checker
402	PAL	Phase Alternation Line
403	PDA	Personal Digital Assistant
404	SGRAM	Synchronous Graphics Random Access Memory
405	SEC	Single Edge Connector
406	EVDO	Evolution Data Optimized Or Evolution Data Only
407	OSR	OEM(Original Equipment Manufacturer)Service Release
408	RIS	Remote Installation Service
409	RMA	Returned Materials Authorization
410	MSD	Most significant Digit
411	MSI	Medium Scale Integration
412	OOP	Object Oriented programming
413	MFD	Multi-Function Device
414	DOS	Disk Operating System
415	.aiff	Audio Interchange File Format
416	.asf	Advanced Systems Format
417	.avi	Audio Video Interleave
418	.bat	Microsoft's Batch Processing
419	.bmp	Windows Bitmap
420	.bwf	Broadcast Wave Format
421	.csv	Comma Separated Values
422	.dat	Digital Audio Tape
423	.divX	Digital Video Express (DivX-encoded Movie)
424	.docm	Document (with Macros)
425	.docx	Document (without Macros)
426	.fdr	Final Draft Document
427	.flv	Flash Video
428	.gif	Graphics Interchange Format
429	.js	Javascript (Document)
430	.me	Readme Text File
431	.mp3	MPEG Audio Layer 3
432	.mp4	MPEG Layer 4
433	.mpeg	Moving Picture Experts Group
434	.pdf	Portable Document Format
435	.ppt	PowerPoint Presentation
436	.psd	Photoshop Document
437	.py	Python Document (File)
438	.sub	Subtitle File
439	.ts	Type Script (Document)
440	.txt	Text/Plain
441	.vue	Vue.js (Document)
442	.wav	Waveform PCM Audio
443	.wma	Windows Media Audio
444	.wmv	Windows Media Video