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WAEC Computer Studies questions

291 questions with answers and explanations. Tap an option to check yourself.

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All topicsAlgorithms and flowcharts · 21Application packages · 25Computer hardware and the CPU · 21Computer networks and the internet · 23Computer security, ethics and safety · 22Data processing and information · 22Evolution of computing · 23Input and output devices · 22Logic gates and Boolean algebra · 21Memory and storage devices · 23Number systems and data representation · 24Programming languages and BASIC · 22Software and operating systems · 22

  1. Question 201· Memory and storage devices· WAEC

    A device that stores data using laser light is

    Explanation and discussion

  2. Question 202· Memory and storage devices· WAEC

    A solid-state drive differs from a hard disk drive in that it

    Explanation and discussion

  3. Question 203· Memory and storage devices· WAEC

    If a computer loses power while a document is unsaved, the work is lost because it was held in

    Explanation and discussion

  4. Question 204· Memory and storage devices· WAEC

    The smallest unit of data in a computer is the

    Explanation and discussion

  6. Question 206· Memory and storage devices· WAEC

    How many bytes are in one kilobyte (binary convention)?

    Explanation and discussion

  7. Question 207· Memory and storage devices· WAEC

    Using part of the hard disk as an extension of RAM is called

    Explanation and discussion

  8. Question 208· Memory and storage devices· WAEC

    A flash drive stores data in

    Explanation and discussion

  9. Question 209· Memory and storage devices· WAEC

    Chidi saves his project so that it is still there after he switches off the laptop. Where is it kept?

    Explanation and discussion

  10. Question 210· Memory and storage devices· WAEC

    Which of these has the largest capacity?

    Explanation and discussion

  11. Question 211· Memory and storage devices· WAEC

    How many bytes are there in 2 KB?

    Explanation and discussion

  12. Question 212· Memory and storage devices· WAEC

    ROM contains

    Explanation and discussion

  13. Question 213· Memory and storage devices· WAEC

    Arrange these from fastest to slowest access: registers, cache, RAM, hard disk.

    Explanation and discussion

  14. Question 214· Memory and storage devices· WAEC

    A group of 8 bits is a

    Explanation and discussion

  15. Question 215· Memory and storage devices· WAEC

    The BIOS is usually stored in

    Explanation and discussion

  16. Question 216· Memory and storage devices· WAEC

    Memory that loses its contents when power is switched off is

    Explanation and discussion

  17. Question 217· Memory and storage devices· WAEC

    ROM stands for

    Explanation and discussion

  18. Question 218· Memory and storage devices· WAEC

    A 4 MB file is copied 256 times onto a disk. How much space do the copies take? [1 GB = 1,024 MB]

    Explanation and discussion

  19. Question 219· Memory and storage devices· WAEC

    Cache memory is used to

    Explanation and discussion

  20. Question 220· Memory and storage devices· WAEC

    RAM is described as volatile because

    Explanation and discussion

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