What is the number of levels required in a PCM system with S/N ratio of 40 dB? A. 64 B. 128 C. 256 D. 512

What is the number of levels required in a PCM system with S/N ratio of 40 dB?
A. 64
B. 128
C. 256
D. 512
by

1 Answer

Answer :

B. 128
by

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