Which binary waveform uses three levels?
A. Bipolar RZ
B. RZ-AMI
C. Both of the mentioned
D. None of the mentioned
Answer:A
Which binary waveform uses three levels?
A. Bipolar RZ B. RZ-AMI C. Both of the mentioned D. None of the mentioned
Explanation: In PCM waveforms signals generally use two levels. But few signals use three levels such as bipolar RZ, RZ-AMI, dicode, duobinary etc.