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  3. 6th Class
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  5. Basics of Computer

6th Class Computers Science Basics of Computer Question Bank Self Test-1

  • question_answer
    Which of the following statements are true about light pen?

    A)  Light pen consists photocells.

    B)  Light pen is a type of output device.

    C)  Light pen uses light of sensor.

    D)  Both A and C are true

    E)  None of these

    Correct Answer: D

    Solution :


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