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JAMB and WAEC Computer Studies questions

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

AllJAMBWAEC
All topicsAlgorithms and flowcharts · 39Application packages · 46Computer hardware and the CPU · 41Computer networks and the internet · 45Computer security, ethics and safety · 40Data processing and information · 40Evolution of computing · 42Input and output devices · 40Logic gates and Boolean algebra · 39Memory and storage devices · 44Number systems and data representation · 47Programming languages and BASIC · 43Software and operating systems · 42

  1. Question 381· Memory and storage devices· JAMB

    Cloud storage keeps files

    Explanation and discussion

  2. Question 382· Memory and storage devices· JAMB

    One terabyte is approximately

    Explanation and discussion

  4. Question 384· Memory and storage devices· JAMB

    An optical disc such as a DVD is read by

    Explanation and discussion

  5. Question 385· Memory and storage devices· JAMB

    The memory that holds the instructions used to start up a computer is

    Explanation and discussion

  6. Question 386· Memory and storage devices· WAEC

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

    Explanation and discussion

  7. Question 387· Memory and storage devices· JAMB

    On a magnetic disk, each circular track is divided into

    Explanation and discussion

  8. Question 388· Memory and storage devices· JAMB

    EEPROM is erased

    Explanation and discussion

  9. Question 389· Memory and storage devices· JAMB

    Virtual memory uses part of the

    Explanation and discussion

  10. Question 390· Memory and storage devices· WAEC

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

    Explanation and discussion

  11. Question 391· Memory and storage devices· WAEC

    A flash drive stores data in

    Explanation and discussion

  12. Question 392· Memory and storage devices· JAMB

    Data on magnetic tape is accessed

    Explanation and discussion

  13. Question 393· Memory and storage devices· JAMB

    An EPROM chip can be

    Explanation and discussion

  14. Question 394· Memory and storage devices· JAMB

    PROM can be

    Explanation and discussion

  15. Question 395· Memory and storage devices· JAMB

    Primary memory includes

    Explanation and discussion

  16. Question 396· Memory and storage devices· JAMB

    1 megabyte is equal to

    Explanation and discussion

  17. Question 397· 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

  18. Question 398· Memory and storage devices· WAEC

    Which of these has the largest capacity?

    Explanation and discussion

  19. Question 399· Memory and storage devices· WAEC

    How many bytes are there in 2 KB?

    Explanation and discussion

  20. Question 400· Memory and storage devices· JAMB

    A magnetic tape is accessed

    Explanation and discussion

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