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7th Class Computers Science Fundamentals of Computer Question Bank Fundamentals of Computer

  • question_answer
    Which of the following I/O devices uses CCDs, PMTs or CISs to record how much light is reflected off the object?  

    A)         

    B)

    C)           

    D)

    Correct Answer: B

    Solution :

    Scanners use CCD (Charge couple device), PMT (Photo multiplier tubes) or CIS (Contact image sensor) as the image sensors to capture images.


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