Which statement best describes a binary with eight-zero substitution (B8ZS) signal?
a. The information is transmitted in three different voltage levels.
b. A logic one is transmitted as positive voltage if the previous logic one was negative.
c. The level always returns to zero for 50 percent of the bit cycle after every transition.
d. Bipolar violations are intentionally inserted into a data signal to break up long strings of zeros.
Ans: d. Bipolar violations are intentionally inserted into a data signal to break up long strings of zeros.
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