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3rd Class Computers Science Input and Output Devices Question Bank Input and Output Devices

  • question_answer
    A computer works with the help of many devices. Among these devices few are optional because you can work on computer even in the absence 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

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