Class 4 Computer & AI parts of a computer — practice questions with answers
Free practice for Class 4 Computer & AI, parts of a computer. Try the solved questions below, then take a free test with instant marking and explanations.
5 questionsNCERT · CBSE · State boards
Sample questions with solutions
Q1. The brain of the computer, which processes instructions, is called the ____.
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Answer: cpu
Why: The CPU, or Central Processing Unit, does all the thinking and calculating.
Why: The CPU, or Central Processing Unit, does all the thinking and calculating.
Q2. Which part of the computer looks like a television screen?
- Mouse
- Keyboard
- Monitor
- CPU
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Answer: C. Monitor
Why: The monitor shows pictures and words, like a TV screen.
Why: The monitor shows pictures and words, like a TV screen.
Q3. Which device keeps the computer running for a short time when the electricity goes off?
- UPS
- Webcam
- Printer
- Scanner
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Answer: A. UPS
Why: A UPS (Uninterruptible Power Supply) gives power for a short while during a power cut.
Why: A UPS (Uninterruptible Power Supply) gives power for a short while during a power cut.
Q4. A computer can do calculations very fast and does not get tired.
True or false?
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Answer: True
Why: Speed and not getting tired are two strengths of a computer.
Why: Speed and not getting tired are two strengths of a computer.
Q5. The part of the computer that shows pictures and words is the ____.
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Answer: monitor
Why: The monitor shows output on a screen.
Why: The monitor shows output on a screen.
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How many practice questions are there for Class 4 Computer & AI parts of a computer?
5 questions. A few are solved on this page; the free test shows the answer and explanation for every question after you submit.
Is this chapter from the NCERT book?
Yes — it follows the NCERT Class 4 Computer & AI syllabus, used by CBSE and many state boards.