7. Computer Abbreviations & Full Forms

🔹 7. Computer Abbreviations & Full Forms

(KPSC Group-C Non-Technical / FDA / SDA – High-Scoring Topic)

7.1 Introduction

In KPSC computer exams, questions from computer abbreviations and full forms are very common and easy to score. Many candidates lose marks because they underestimate this topic.

Computer abbreviations are used in:

Hardware

Software

Internet

Networking

MS Office

Cyber security

👉 Exam-Friendly Definition:

A computer abbreviation is a shortened form of a technical term used to represent a computer-related concept.

📌 This chapter is memory-based, so proper revision can guarantee marks.

7.2 Importance of Computer Abbreviations for KPSC

Why this topic is important:

Direct one-word questions

No calculations

Easy elimination in MCQs

Frequently repeated questions

📌 Usually 3–6 questions come directly from abbreviations.

🔹 7.3 Basic Computer Abbreviations

CPU – Central Processing Unit

Brain of the computer

Performs calculations and controls operations

ALU – Arithmetic Logic Unit

Part of CPU

Performs arithmetic and logical operations

CU – Control Unit

Controls execution of instructions

VDU – Visual Display Unit

Another name for monitor

UPS – Uninterruptible Power Supply

Provides backup power

Protects system from power failure

PC – Personal Computer

Used by single user

OS – Operating System

Controls hardware and software

GUI – Graphical User Interface

Uses icons, menus, windows

Example: Windows

CLI – Command Line Interface

Uses text commands

Example: MS-DOS

7.4 Hardware-Related Abbreviations

HDD – Hard Disk Drive

Magnetic storage device

SSD – Solid State Drive

Flash memory storage

Faster than HDD

RAM – Random Access Memory

Temporary memory

Volatile memory

ROM – Read Only Memory

Permanent memory

Non-volatile

USB – Universal Serial Bus

Used to connect external devices

CD – Compact Disc

Optical storage device

DVD – Digital Versatile Disc

Higher capacity than CD

SMPS – Switched Mode Power Supply

Supplies power to computer components

BIOS – Basic Input Output System

Stored in ROM

Starts computer system

POST – Power On Self Test

Checks hardware at startup

7.5 Software-Related Abbreviations

MS – Microsoft

DOS – Disk Operating System

DBMS – Database Management System

Used to manage databases

RDBMS – Relational Database Management System

Data stored in table format

OOP – Object Oriented Programming

IDE – Integrated Development Environment

API – Application Programming Interface

ERP – Enterprise Resource Planning

Used in organizations

7.6 MS Office Abbreviations (VERY IMPORTANT)

DOC – Document file

DOCX – Word document extension

XLS – Excel file

XLSX – Excel workbook

PPT – PowerPoint presentation

PPTX – PowerPoint presentation file

PDF – Portable Document Format

Developed by Adobe

CSV – Comma Separated Values

Used in Excel & databases

ODT – Open Document Text

LibreOffice Writer

7.7 Internet-Related Abbreviations

WWW – World Wide Web

Invented by Tim Berners-Lee

URL – Uniform Resource Locator

Address of a website

HTTP – HyperText Transfer Protocol

HTTPS – HyperText Transfer Protocol Secure

ISP – Internet Service Provider

IP – Internet Protocol

DNS – Domain Name System

Converts domain name to IP address

FTP – File Transfer Protocol

Used to transfer files

SMTP – Simple Mail Transfer Protocol

Used to send emails

POP – Post Office Protocol

Used to receive emails

IMAP – Internet Message Access Protocol

7.8 Networking Abbreviations

LAN – Local Area Network

Covers small area

MAN – Metropolitan Area Network

WAN – Wide Area Network

PAN – Personal Area Network

WLAN – Wireless Local Area Network

MAC – Media Access Control

Unique hardware address

NIC – Network Interface Card

TCP – Transmission Control Protocol

UDP – User Datagram Protocol

VPN – Virtual Private Network

7.9 Cyber Security Abbreviations

IT – Information Technology

ICT – Information and Communication Technology

OTP – One Time Password

PIN – Personal Identification Number

CAPTCHA – Completely Automated Public Turing test

(often shortened in exams)

SSL – Secure Socket Layer

TLS – Transport Layer Security

MFA – Multi-Factor Authentication

IDS – Intrusion Detection System

IPS – Intrusion Prevention System

7.10 Government & Digital India Abbreviations

UIDAI – Unique Identification Authority of India

Aadhaar – Not an abbreviation

(Common trick question)

CSC – Common Service Centre

e-Gov – Electronic Governance

MeitY – Ministry of Electronics and Information Technology

NIC – National Informatics Centre

DBT – Direct Benefit Transfer

7.11 Cloud Computing Abbreviations

SaaS – Software as a Service

PaaS – Platform as a Service

IaaS – Infrastructure as a Service

AWS – Amazon Web Services

GCP – Google Cloud Platform

VM – Virtual Machine

7.12 Programming & Logic Abbreviations

HTML – HyperText Markup Language

CSS – Cascading Style Sheets

SQL – Structured Query Language

XML – Extensible Markup Language

JSON – JavaScript Object Notation

AI – Artificial Intelligence

ML – Machine Learning

NLP – Natural Language Processing

7.13 Exam-Trick Abbreviations (Very Important)

GIGO – Garbage In Garbage Out

ASCII – American Standard Code for Information Interchange

UNICODE – Universal Code

ICT – Information and Communication Technology

7.14 Commonly Confused Abbreviations (MCQ Trap)

Term

Correct Meaning

CPU-

Central Processing Unit

UPS-

Uninterruptible Power Supply

URL-

Uniform Resource Locator

HTTP-

HyperText Transfer Protocol

LAN-

Local Area Network

7.15 Frequently Asked KPSC Questions

Full form of CPU

Which is volatile memory?

Full form of URL

Which protocol is used for email?

Meaning of PDF

📌 These repeat every year.

7.16 How to Prepare This Topic Effectively

✔ Make flash cards

✔ Revise daily

✔ Group similar abbreviations

✔ Practice MCQs

✔ Write full forms repeatedly

7.17 Sample MCQs (Practice)

What is the full form of URL?

Which memory is volatile?

LAN stands for?

PDF is developed by?

SMTP is used for?

7.18 Final Revision Strategy

Revise twice a week

Focus on hardware + internet

Learn trick questions

Attempt mock tests

✅ Conclusion

Computer abbreviations are a high-return topic for KPSC Group-C exams. With proper memorization and revision, you can easily score full marks from this chapter.