2. Sample Papers
  3. 4th Class
  4. Computers Science

4th Class Computers Science Sample Paper Computer Science Olympiad Model Test Paper-9

  • question_answer
    An optical input device that is used to read pencil mark on paper media is:

    A) Punch Card Reader                    

    B) Scanner

    C) Optical Mark Reader       

    D) MICR

    E) None of these

    Correct Answer: C

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