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Banking Computers Science Sample Paper Computer - Sample Paper - 22

  • question_answer
          Which encoding type always has a non-zero average amplitude?

    A) Unipolar                       

    B) multi-polar

    C) Bipolar             

    D) All of the above

    E) None of these

    Correct Answer: A

    Solution :

    Average amplitude of a unipolar encoded signal is noil-zero.li is called  DC component i.e. a Components with zero frequency when a signal contents a DC component it cannot travel through transmissions   medium that can?t DC component


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