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3rd Class Computers Science Input and Output Devices Question Bank Self Test-5

  • question_answer
    A computer works with the help of many devices. Among these device few are optional because you can work on computer even in the absent of these devices. Which one of the following devices is optional for the computer to work?

    A)  Keyboard

    B)  CPU

    C)  Monitor

    D)  Printer

    E)  None of these

    Correct Answer: D

    Solution :


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