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Olympiad (Class 4) Computer Science — practice by topic

Browse 118 questions across 3 Computer Science topics. Choose what you want to revise, then open a question to check its answer and worked solution.

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Computer Science topics

Evolution of computers, hardware and software (48)Internet (36)MS Word, Windows 11 and MS Paint (34)

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Who is often called the father of the computer?Read the answer and worked solution →Babbage planned his big calculating machine to run on which power?Read the answer and worked solution →Babbage's analytical engine was to take its programs from what?Read the answer and worked solution →The Jacquard loom used punched cards to control what?Read the answer and worked solution →

Worked practice questions

Who is often called the father of the computer?

  1. Charles Babbage
  2. Blaise Pascal
  3. Konrad Zuse
  4. Tommy Flowers
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Correct answer: A. Charles Babbage

Babbage designed the first general-purpose machine of gears and wheels, so he gets this title.

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Babbage planned his big calculating machine to run on which power?

  1. Steam
  2. Sunlight
  3. Batteries
  4. Wind
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Correct answer: A. Steam

His design was a system of gears and wheels worked by steam power.

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Babbage's analytical engine was to take its programs from what?

  1. Punched cards
  2. Magnetic tapes
  3. Glass screens
  4. Voice commands
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Correct answer: A. Punched cards

He borrowed the punched card idea from the Jacquard loom that wove cloth patterns.

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