GoodStudy
Log in
Basic Computer

Basic Computer

EnglishAptitude & Language

Hardware, software, MS Office and the internet — computer basics for exams.

Unlock with Pro

About this subject

Basic computer knowledge is now part of most state and central exams. It covers computer fundamentals, operating systems, MS Office, the internet, networking and cyber security.

Useful for

Rajasthan CETRajasthan PatwariRajasthan PoliceIBPS / SBISSC CGL

Important points

  1. 1

    Charles Babbage is called the father of the computer.

  2. 2

    The CPU (ALU + Control Unit) is called the brain of the computer.

  3. 3

    1 byte = 8 bits; 1 KB = 1024 bytes.

  4. 4

    RAM is volatile (loses data when power is off); ROM is non-volatile.

  5. 5

    Windows, Linux, macOS and Android are operating systems.

  6. 6

    Shortcuts: Ctrl+C copy, Ctrl+V paste, Ctrl+Z undo, Ctrl+S save.

  7. 7

    In MS Excel, every formula begins with "=".

  8. 8

    HTTP = HyperText Transfer Protocol; URL = Uniform Resource Locator.

  9. 9

    The World Wide Web was invented by Tim Berners-Lee in 1989.

  10. 10

    LAN, MAN and WAN are network types based on the area they cover.

  11. 11

    A firewall protects a network from unauthorised access.

  12. 12

    Phishing is a cyber attack that steals personal information through fake messages or websites.

Topic-wise notes

SSC-level notes — tap a topic to open it.

01Computer fundamentals and generations
02Hardware — input, output and storage devices
03Software and operating systems
04MS Word, Excel and PowerPoint
05Internet, e-mail and web browsers
06Networking basics
07Cyber security and viruses
08Shortcut keys and abbreviations

Unlock every subject and topic with GoodStudy Pro

Full chapter notes, mind maps, topic-wise quizzes and mock tests for every subject — one Pro plan unlocks them all.

See Pro plans

How to study

  1. 1

    Learn concepts with a computer open — try each MS Office feature yourself.

  2. 2

    Make a list of shortcut keys and common abbreviations.

  3. 3

    Understand memory units and conversions.

  4. 4

    Practise previous-year style MCQs regularly.

Preparation tip

Shortcut keys and full forms are almost guaranteed questions — revise them daily in the last week.

What GoodStudy Pro unlocks

Handwritten notes

Illustrated, exam-focused notes for quick understanding.

Mind maps

Revise whole topics at a glance before the exam.

Topic-wise quizzes

Practise each topic with instant scores and explanations.

Daily practice

Fresh questions every day to keep revision consistent.

More in Aptitude & Language

See all