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JAMB and WAEC Computer Studies questions: Input and output devices

40 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 1· Input and output devices· JAMB

    The resolution of a monitor is measured in

    Explanation and discussion

  2. Question 2· Input and output devices· WAEC

    Screen resolution is measured in

    Explanation and discussion

  3. Question 3· Input and output devices· JAMB

    A printer that forms characters by striking an inked ribbon is

    Explanation and discussion

  4. Question 4· Input and output devices· WAEC

    MICR is used mainly by banks to read

    Explanation and discussion

  5. Question 5· Input and output devices· JAMB

    A speaker is an

    Explanation and discussion

  6. Question 6· Input and output devices· WAEC

    A plotter is used mainly to produce

    Explanation and discussion

  7. Question 7· Input and output devices· WAEC

    Which of these is an output device?

    Explanation and discussion

  8. Question 8· Input and output devices· WAEC

    An inkjet printer forms characters by

    Explanation and discussion

  9. Question 9· Input and output devices· JAMB

    Soft copy output is

    Explanation and discussion

  10. Question 10· Input and output devices· WAEC

    A printer that produces output by firing tiny droplets of ink onto paper is

    Explanation and discussion

  11. Question 11· Input and output devices· JAMB

    A digitiser (graphics tablet) is used for

    Explanation and discussion

  12. Question 12· Input and output devices· JAMB

    A biometric device identifies people by

    Explanation and discussion

  13. Question 13· Input and output devices· WAEC

    The device used to mark answers on WAEC-type objective answer sheets automatically is the

    Explanation and discussion

  14. Question 14· Input and output devices· WAEC

    A touch screen is both

    Explanation and discussion

  15. Question 15· Input and output devices· JAMB

    A multimedia projector is

    Explanation and discussion

  16. Question 16· Input and output devices· WAEC

    Banks use MICR mainly to read

    Explanation and discussion

  17. Question 17· Input and output devices· JAMB

    Magnetic ink character recognition (MICR) is used mainly in

    Explanation and discussion

  18. Question 18· Input and output devices· WAEC

    Which of these is an impact printer?

    Explanation and discussion

  19. Question 19· Input and output devices· WAEC

    A monitor with 1920 × 1080 pixels has a total of about

    Explanation and discussion

  20. Question 20· Input and output devices· JAMB

    A joystick is mainly used for

    Explanation and discussion

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