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Olympiad (Class 4) Evolution of computers, hardware and software — practice questions

Explore 48 free Evolution of computers, hardware and software questions in Olympiad (Class 4) Computer Science. Open each question or exercise to read its content, reference answers and available explanation.

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Evolution of computers, hardware and software questions and exercises with answers

Showing questions 1–30 of 48.

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 →A teenager named Blaise Pascal invented what in the 1640s?Read the answer and worked solution →Which machine helped count the people in the 1890 United States census?Read the answer and worked solution →Who wrote ideas for steps (algorithms) for Babbage's machine to follow?Read the answer and worked solution →Which was the first electronic programmable computer built in the US?Read the answer and worked solution →Early electronic computers used glass parts to switch signals. What were they called?Read the answer and worked solution →Which part replaced vacuum tubes in second generation computers?Read the answer and worked solution →A transistor computer gave off less heat than a vacuum tube one. Why?Read the answer and worked solution →In which year was the transistor invented?Read the answer and worked solution →Third generation computers used which tiny parts as their base?Read the answer and worked solution →Jack Kilby showed the first working integrated circuit in which year?Read the answer and worked solution →Noyce made his chip from silicon. Which material did Kilby's chip use?Read the answer and worked solution →Which was the first single-chip microprocessor, released in 1971?Read the answer and worked solution →Which machine is a simple, very old tool used to do sums?Read the answer and worked solution →A bone found in Africa has 29 cut notches. Its age is about 35,000 BCE. What was it?Read the answer and worked solution →During World War II, Colossus was used for what job?Read the answer and worked solution →Konrad Zuse built the Z3 in which country?Read the answer and worked solution →Software means computer programs that do what?Read the answer and worked solution →Which pair names the two main kinds of software?Read the answer and worked solution →What does an operating system do for a computer?Read the answer and worked solution →Which software does one task for you, like writing a letter?Read the answer and worked solution →A game on a tablet is an example of which type of software?Read the answer and worked solution →Which word was first used for computer programs by John Tukey in 1958?Read the answer and worked solution →Which kind of language made programs easier for people to read from 1958?Read the answer and worked solution →Which part is the main board that joins the CPU, RAM and disk drives?Read the answer and worked solution →Which memory holds the code and data the CPU is using right now?Read the answer and worked solution →Which of these keeps your files even when the power is switched off?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
Show answer and solution

Correct answer: A. Punched cards

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

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