Computer Abbreviations computer notes for exam

 Basic Computer Abbreviations

Abbreviation	Full Form
CPU	Central Processing Unit
RAM	Random Access Memory
ROM	Read Only Memory
USB	Universal Serial Bus
DVD	Digital Versatile Disc
CD	Compact Disc
PC	Personal Computer
UPS	Uninterruptible Power Supply
OS	Operating System
GUI	Graphical User Interface

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✅ Internet & Network Abbreviations

Abbreviation	Full Form
WWW	World Wide Web
URL	Uniform Resource Locator
IP	Internet Protocol
ISP	Internet Service Provider
HTTP	HyperText Transfer Protocol
HTTPS	HyperText Transfer Protocol Secure
LAN	Local Area Network
WAN	Wide Area Network
Wi-Fi	Wireless Fidelity
DNS	Domain Name System

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✅ Storage & Media

Abbreviation	Full Form
HDD	Hard Disk Drive
SSD	Solid State Drive
KB	Kilobyte
MB	Megabyte
GB	Gigabyte
TB	Terabyte

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✅ Software and File Formats

Abbreviation	Full Form
PDF	Portable Document Format
DOC	Document (MS Word)
XLS	Excel Spreadsheet
PPT	PowerPoint Presentation
JPEG / JPG	Joint Photographic Experts Group
PNG	Portable Network Graphics
HTML	HyperText Markup Language

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✅ Email & Communication

Abbreviation	Full Form
CC	Carbon Copy
BCC	Blind Carbon Copy
SMS	Short Message Service
MMS	Multimedia Messaging Service
IP	Internet Protocol
VOIP	Voice Over Internet Protocol

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✅ Programming & Technology

Abbreviation	Full Form
AI	Artificial Intelligence
ICT	Information and Communication Technology
IoT	Internet of Things
IT	Information Technology
SQL	Structured Query Language
USB	Universal Serial Bus
BIOS	Basic Input Output System

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📌 Frequently Asked in Previous Papers (JKSSB/SSC/Bank)

Abbreviation	Asked in Exam (example)
CPU	JKSSB/SSC
PDF	Bank Clerk
URL	SSC CHSL
ROM	JKSSB JE/Account Assistant
BIOS	SSC CGL / Banking
GUI	Bank PO
IP	JKSSB