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JAMB Computer Studies questions: Input and output devices

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

AllJAMBWAEC
All topicsAlgorithms and flowcharts · 18Application packages · 21Computer hardware and the CPU · 20Computer networks and the internet · 22Computer security, ethics and safety · 18Data processing and information · 18Evolution of computing · 19Input and output devices · 18Logic gates and Boolean algebra · 18Memory and storage devices · 21Number systems and data representation · 23Programming languages and BASIC · 21Software and operating systems · 20

  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· JAMB

    A printer that forms characters by striking an inked ribbon is

    Explanation and discussion

  3. Question 3· Input and output devices· JAMB

    A speaker is an

    Explanation and discussion

  4. Question 4· Input and output devices· JAMB

    Soft copy output is

    Explanation and discussion

  5. Question 5· Input and output devices· JAMB

    A digitiser (graphics tablet) is used for

    Explanation and discussion

  6. Question 6· Input and output devices· JAMB

    A biometric device identifies people by

    Explanation and discussion

  7. Question 7· Input and output devices· JAMB

    A multimedia projector is

    Explanation and discussion

  8. Question 8· Input and output devices· JAMB

    Magnetic ink character recognition (MICR) is used mainly in

    Explanation and discussion

  9. Question 9· Input and output devices· JAMB

    A joystick is mainly used for

    Explanation and discussion

  10. Question 10· Input and output devices· JAMB

    The device that reads pencil marks on objective answer sheets is the

    Explanation and discussion

  11. Question 11· Input and output devices· JAMB

    A laser printer produces print using

    Explanation and discussion

  12. Question 12· Input and output devices· JAMB

    A barcode reader is used mainly in

    Explanation and discussion

  13. Question 13· Input and output devices· JAMB

    A webcam is

    Explanation and discussion

  14. Question 14· Input and output devices· JAMB

    A dot-matrix printer is an

    Explanation and discussion

  15. Question 15· Input and output devices· JAMB

    Which of these is an input device?

    Explanation and discussion

  16. Question 16· Input and output devices· JAMB

    A scanner with software that turns printed text into editable text uses

    Explanation and discussion

  17. Question 17· Input and output devices· JAMB

    Which device converts printed images into digital form?

    Explanation and discussion

  18. Question 18· Input and output devices· JAMB

    Optical mark recognition (OMR) is used to

    Explanation and discussion

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