Q.

NRZ-S is complement of                

A. nrz-l
B. nrz-m
C. nrz-l & nrz-m
D. none of the mentioned
Answer» B. nrz-m
Explanation: nrz-s is a complement of nrz-m. logic 0 is represented by a change in voltage level and logic 1 is represented as no change in voltage level.
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