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Computers and the internet: GK questions and answers

Computers are part of every school and office now. These questions cover the parts of a computer, the units of memory and the common terms of the internet.

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Ten questions picked at random from this topic, four choices each. Or go through every question as flash cards.

20 questions on computers and the internet

  1. Which part is called the brain of the computer? CPU CPU stands for Central Processing Unit.
  2. Which of these is an input device? Keyboard
  3. Which of these is an output device? Printer
  4. How many bits make one byte? 8
  5. How many bytes are there in one kilobyte (KB)? 1,024
  6. Which number system do computers use internally? Binary Binary uses only two digits, 0 and 1.
  7. What does RAM stand for? Random Access Memory RAM loses its contents when the power is switched off.
  8. What does ROM stand for? Read Only Memory
  9. What does WWW stand for? World Wide Web
  10. What does URL stand for? Uniform Resource Locator A URL is the address of a web page.
  11. Which language is used to make web pages? HTML HTML stands for HyperText Markup Language.
  12. What does "e" in email stand for? Electronic
  13. Which keys are used to copy selected text on Windows? Ctrl + C Ctrl + V pastes, Ctrl + X cuts and Ctrl + Z undoes.
  14. Which keys are used to paste on Windows? Ctrl + V
  15. Which of these is an operating system? Windows Linux, macOS and Android are also operating systems.
  16. What do we call a harmful program that spreads from one computer to another? Virus
  17. Which program is used to open websites? Web browser Chrome, Firefox, Edge and Safari are web browsers.
  18. Who is known as the first computer programmer? Ada Lovelace
  19. What does PDF stand for? Portable Document Format
  20. What does USB stand for? Universal Serial Bus

These are well-established facts, written in our own words and last checked on 11 November 2026. If your textbook says something different, follow your textbook and tell us.

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