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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 81· Application packages· WAEC

    An absolute cell reference in a spreadsheet is written as

    Explanation and discussion

  2. Question 82· Application packages· JAMB

    In a presentation package, a transition is

    Explanation and discussion

  3. Question 83· Application packages· JAMB

    The spreadsheet function =MAX(B2:B10) returns

    Explanation and discussion

  4. Question 84· Application packages· WAEC

    In a spreadsheet, the box where a row and a column meet is a

    Explanation and discussion

  5. Question 85· Application packages· JAMB

    The function =COUNT(A1:A10) returns

    Explanation and discussion

  6. Question 86· Computer hardware and the CPU· WAEC

    Clock speed of a processor is measured in

    Explanation and discussion

  7. Question 87· Computer hardware and the CPU· JAMB

    Expansion slots on the motherboard allow

    Explanation and discussion

  8. Question 88· Computer hardware and the CPU· WAEC

    The part of the CPU that performs calculations and comparisons is the

    Explanation and discussion

  9. Question 89· Computer hardware and the CPU· JAMB

    Mainframe computers are used mainly by

    Explanation and discussion

  10. Question 90· Computer hardware and the CPU· JAMB

    Ports such as USB are used to

    Explanation and discussion

  11. Question 91· Computer hardware and the CPU· WAEC

    The register that holds the address of the next instruction to be fetched is the

    Explanation and discussion

  12. Question 92· Computer hardware and the CPU· WAEC

    The system unit houses

    Explanation and discussion

  13. Question 93· Computer hardware and the CPU· WAEC

    The component that converts AC mains to DC for the computer is the

    Explanation and discussion

  14. Question 94· Computer hardware and the CPU· JAMB

    The clock speed of a processor is measured in

    Explanation and discussion

  15. Question 95· Computer hardware and the CPU· WAEC

    Small, very fast storage locations inside the CPU that hold data being processed are

    Explanation and discussion

  16. Question 96· Computer hardware and the CPU· WAEC

    Hardware refers to

    Explanation and discussion

  17. Question 97· Computer hardware and the CPU· JAMB

    The address bus carries

    Explanation and discussion

  18. Question 98· Computer hardware and the CPU· WAEC

    A processor rated at 3 GHz performs about

    Explanation and discussion

  19. Question 99· Computer hardware and the CPU· WAEC

    When a computer compares two numbers to decide which is larger, the work is done by the

    Explanation and discussion

  20. Question 100· Computer hardware and the CPU· JAMB

    A computer that works with continuously varying quantities such as temperature is

    Explanation and discussion

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