Class 4 (CBSE) • Computer ScienceChapter 3: Switching a Computer On and Off⭐ Topic 2
Practising Switching a Computer On and Off
Practice and revise: learning the safe steps to start up and shut down a computer.
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Know it
Step 1 of 3
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See the pattern
Step 2 of 3
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Try it out
Step 3 of 3
Fun picture
Try it now
Learn the idea step by step
1
Know it
To switch on a computer, we press the power button on the CPU (or laptop), and wait for the screen to show icons, which means the computer is ready to use.
Quick revision
Remember these!
- We press the power button to switch on a computer.
- We wait for icons to appear before using the computer.
- We should click 'Shut Down' to switch off safely.
- Suddenly pressing the power button to turn off can harm the computer.
- The computer needs a little time to fully start up.
- We should wait patiently during startup.
- Correct on/off steps prevent damage to the computer.
- Following these steps keeps the computer working well for a long time.