In PCM system, if we increase the quantization levels from 2 to 8, the relative bandwidth requirements will: ...

In PCM system, if we increase the quantization levels from 2 to 8, the relative bandwidth requirements will: 

(1) Be doubled (2) Remain same (3) Be tripled (4) Becomes eight times
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Answer :

In PCM system, if we increase the quantization levels from 2 to 8, the relative bandwidth requirements will: Be tripled.

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