In today’s digital era, computer knowledge is not just an additional skill—it’s a necessity, especially for competitive exams like SSC, Banking, Railway, Defence, and State Level Exams. One of the most common sections asked in these exams is Computer Abbreviations. These short forms may look simple, but they often confuse students due to their similarity and technicality.
Here is a handpicked list of important computer abbreviations every aspirant should remember:
Here is a handpicked list of important computer abbreviations every aspirant should remember:
These abbreviations are frequently asked in exams and interviews. Remembering them not only boosts your confidence but also helps in solving objective questions quickly.
But it is not enough to boost your score so we are presenting Certainly! Here's a curated list of 200 essential computer and IT abbreviations, organized alphabetically for easy reference. This compilation includes both modern and foundational terms commonly encountered in technology and competitive exams.
Certainly! Here's a curated list of 200 essential computer and IT abbreviations, organized alphabetically for easy reference. This compilation includes both modern and foundational terms commonly encountered in technology and competitive exams.
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A
AAC – Advanced Audio Coding
ABC – Atanasoff–Berry Computer
ACID – Atomicity, Consistency, Isolation, Durability
ACL – Access Control List
ADC – Analog-to-Digital Converter
ADSL – Asymmetric Digital Subscriber Line
AI – Artificial Intelligence
ALGOL – Algorithmic Language
ALU – Arithmetic Logic Unit
AMD – Advanced Micro Devices
ANSI – American National Standards Institute
API – Application Programming Interface
APT – Automatically Programmed Tooling
ARP – Address Resolution Protocol
ARPANET – Advanced Research Projects Agency Network
ASCII – American Standard Code for Information Interchange
ASP – Active Server Pages
ATM – Asynchronous Transfer Mode
AWS – Amazon Web Services
B
B2B – Business-to-Business
B2C – Business-to-Consumer
BASIC – Beginner's All-purpose Symbolic Instruction Code
BIOS – Basic Input/Output System
BGP – Border Gateway Protocol
BINAC – Binary Automatic Computer
BOINC – Berkeley Open Infrastructure for Network Computing
BSS – Basic Service Set
BYOD – Bring Your Own Device
C
CAD – Computer-Aided Design
CD – Compact Disc
CD-ROM – Compact Disc Read-Only Memory
CD-RW – Compact Disc Rewritable
CGI – Common Gateway Interface
CISC – Complex Instruction Set Computing
CLI – Command Line Interface
CMOS – Complementary Metal-Oxide Semiconductor
CMS – Content Management System
CPU – Central Processing Unit
CRT – Cathode Ray Tube
CSS – Cascading Style Sheets
CSV – Comma-Separated Values
D
DAC – Digital-to-Analog Converter
DBMS – Database Management System
DDR – Double Data Rate
DHCP – Dynamic Host Configuration Protocol
DNS – Domain Name System
DOS – Disk Operating System
DPI – Dots Per Inch
DRAM – Dynamic Random-Access Memory
DSL – Digital Subscriber Line
DVD – Digital Versatile Disc
DVI – Digital Visual Interface
E
EBCDIC – Extended Binary Coded Decimal Interchange Code
EEPROM – Electrically Erasable Programmable Read-Only Memory
EFI – Extensible Firmware Interface
EFS – Encrypting File System
EIDE – Enhanced Integrated Drive Electronics
EMI – Electromagnetic Interference
ERP – Enterprise Resource Planning
ESD – Electrostatic Discharge
Ethernet – A family of networking technologies
F
FAQ – Frequently Asked Questions
FAT – File Allocation Table
FDD – Floppy Disk Drive
FDM – Frequency Division Multiplexing
FOSS – Free and Open Source Software
FTP – File Transfer Protocol
FQDN – Fully Qualified Domain Name
FSB – Front Side Bus
FTP – File Transfer Protocol
G
GDI – Graphics Device Interface
GHz – Gigahertz
GIF – Graphics Interchange Format
GPS – Global Positioning System
GPU – Graphics Processing Unit
GUI – Graphical User Interface
GSM – Global System for Mobile Communications
H
HDD – Hard Disk Drive
HDMI – High-Definition Multimedia Interface
HTTP – HyperText Transfer Protocol
HTTPS – HyperText Transfer Protocol Secure
HTML – HyperText Markup Language
Hz – Hertz
I
IaaS – Infrastructure as a Service
IC – Integrated Circuit
ICMP – Internet Control Message Protocol
IDE – Integrated Development Environment
IEEE – Institute of Electrical and Electronics Engineers
IIS – Internet Information Services
IMAP – Internet Message Access Protocol
IP – Internet Protocol
IPSec – Internet Protocol Security
ISP – Internet Service Provider
IT – Information Technology
ITIL – Information Technology Infrastructure Library
J
J2EE – Java 2 Platform, Enterprise Edition
JDBC – Java Database Connectivity
JPEG – Joint Photographic Experts Group
JRE – Java Runtime Environment
JVM – Java Virtual Machine
K
KB – Kilobyte
Kbps – Kilobits per second
KVM – Keyboard, Video, Mouse
L
LAN – Local Area Network
LCD – Liquid Crystal Display
LDAP – Lightweight Directory Access Protocol
LED – Light Emitting Diode
LIFO – Last In, First Out
Linux – A Unix-like operating system
LPT – Line Print Terminal
M
MAC – Media Access Control
MAN – Metropolitan Area Network
MB – Megabyte
Mbps – Megabits per second
MIDI – Musical Instrument Digital Interface
MIPS – Million Instructions Per Second
MMS – Multimedia Messaging Service
MOBO – Motherboard
MPEG – Moving Picture Experts Group
MS-DOS – Microsoft Disk Operating System
MTBF – Mean Time Between Failures
MTTR – Mean Time To Repair
N
NAS – Network Attached Storage
NAT – Network Address Translation
NFS – Network File System
NIC – Network Interface Card
NOC – Network Operations Center
NOS – Network Operating System
NTFS – New Technology File System
NVRAM – Non-Volatile Random-Access Memory
O
OCR – Optical Character Recognition
OEM – Original Equipment Manufacturer
OLED – Organic Light Emitting Diode
OS – Operating System
OSI – Open Systems Interconnection
OSS – Open Source Software
P
PaaS – Platform as a Service
Note - This list is important from your knowledge perspective as well as for your interview, competitive exams and your personality also.
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