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PCM includes the process of

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PCM includes the process of

(a) Amplitude discretization

(b) Time discretization

(c) Amplitude & Time discretization

(d) None of the mentioned

This question was addressed to me in a national level competition.

This key question is from Modulation and Entropy in division Modulation and Coding Trade-off of Digital Communications

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Best answer
Right option is (c) Amplitude & Time discretization

Best explanation: Time discretization and amplitude discretization are the two processes done in PCM system.

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