Q1
Which of these is hardware?
AA web browser
BThe keyboard
CAn operating system
DA word processor app
CBSEClass 8 (CBSE)Computer ApplicationsCh 1 · Topic 2
Practising Computer Systems and Components
Applying and practising what was learned about Computer Systems and Components.
Core concept
Hardware includes physical components like the monitor, keyboard, CPU, and hard disk — things you can touch. Software includes the operating system (like Windows) and applications (like a browser or word processor) — the instructions that tell hardware what to do.
How it works
Hardware and software depend on each other: hardware needs software to know what to do, and software needs hardware to run on.
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Key diagram
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Quick notes
• Hardware is physical parts of a computer.
• Software is programs and instructions run by the computer.
• The operating system is a key piece of software (e.g., Windows).
• Hardware and software depend on each other to work.