Computer Knowledge

Ten lessons on computer awareness for bank, SSC and state exams: fundamentals, hardware and memory, software and operating systems, number systems, MS Office, networks and the internet, cyber security and databases.

Drafted with AI assistance and fact-checked on 28 October 2026; not yet read line by line by a human editor. Spotted a mistake? Tell us. Editorial standards & corrections

The lessons

1. Computer Fundamentals: History, Generations and Types of Computers
2. CPU and Memory: ALU, Control Unit, RAM, ROM, Cache and Memory Units
3. Storage Devices, Input Devices and Output Devices
4. Software and Operating Systems: Types, Functions, Booting and Files
5. Programming Languages, Translators, Number Systems and Character Codes
6. MS Word: Formatting, Tables, Mail Merge, Track Changes and Shortcuts
7. MS Excel: Cell References, Formulas, Functions, Charts and Error Values
8. MS PowerPoint, Access, Outlook, Common Shortcuts and File Extensions
9. Computer Networks, the OSI Model, Internet Protocols and Email
10. Cyber Security, the IT Act 2000 and Database (DBMS and SQL) Basics

Practise

• All 112 practice questions on Computer Knowledge, with answers →
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