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Banking Computers Science IBPS RRBs Office Assistant Exam CWE-IV 12-09-2015

  • question_answer
    Which device among the following is used for sending digital data over phone line?

    A)  Modem            

    B)  Printer

    C)  USB 

    D)  Monitor

    E) Scanner

    Correct Answer: A

    Solution :

    [a] A modem (modulator-demodulator) is used to send digital data over a phone In The sending modem converts data into a signal that is compatible with the phone line and the receiving modem then converts the signal back into digital data.


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