Computer Science Ques 555

Question: Which encoding type always has a non-zero average amplitude?

Options:

A) Unipolar

B) multi-polar

C) Bipolar

D) All of the above

E) None of these

Show Answer

Answer:

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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