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Olympiad (Class 4) Evolution of computers, hardware and software — practice questions — page 2

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 31–48 of 48.

Which storage device is newer and much faster than a hard drive?Read the answer and worked solution →Which two are input devices?Read the answer and worked solution →Which common port connects a mouse or pen drive to a computer?Read the answer and worked solution →What does a computer case do?Read the answer and worked solution →The power supply changes mains electricity into what kind of current?Read the answer and worked solution →Which type of computer folds shut and is made to be carried easily?Read the answer and worked solution →Which set makes up a desktop computer?Read the answer and worked solution →What can you add into an expansion slot of the motherboard?Read the answer and worked solution →The difference engine came in 1822 and the analytical engine in 1833. How many years apart?Read the answer and worked solution →The transistor was invented in 1947. Transistors replaced tubes from 1955. How many years later?Read the answer and worked solution →Kilby showed the first IC in 1958. The Intel 4004 came in 1971. How many years later?Read the answer and worked solution →Which generation of computers is built using transistors in place of vacuum tubes?Read the answer and worked solution →Which machine did British codebreakers first attack with the help of electro-mechanical bombes?Read the answer and worked solution →Which parts did Babbage plan as outputs: a printer, a bell and what else?Read the answer and worked solution →Which model lets you use an app a company hosts online for a fee?Read the answer and worked solution →Which step of making software comes right after design?Read the answer and worked solution →The first programs for early computers were written in which kind of language?Read the answer and worked solution →Early mechanical computing parts were replaced by faster electric parts. Why?Read the answer and worked solution →

Worked practice questions

Which storage device is newer and much faster than a hard drive?

  1. Punched card
  2. Clay sphere
  3. Floppy tape
  4. Solid-state drive
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Correct answer: D. Solid-state drive

Solid-state drives are becoming cheaper and are much faster than hard drives.

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Which two are input devices?

  1. Printer and speaker
  2. Printer and monitor
  3. Keyboard and mouse
  4. Speaker and screen
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Correct answer: C. Keyboard and mouse

Keyboards and mice send data into the computer, so they are input devices.

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Which common port connects a mouse or pen drive to a computer?

  1. Power plug
  2. USB port
  3. HDMI jack
  4. Phone cable
Show answer and solution

Correct answer: B. USB port

Universal Serial Bus is the most common way to connect outside devices to the motherboard.

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