Which of the following is not a part of analogue communication?(a) PPM(b) AM(c) PCM(d) PWMThis question was addressed to me in unit test.My enquiry is from Generation of VSB topic in portion SSB Modulation of Analog Communications

Which of the following is not a part of analogue communication?(a) PPM

1.	Which of the following is not a part of analogue communication?(a) PPM(b) AM(c) PCM(d) PWMThis question was addressed to me in unit test.My enquiry is from Generation of VSB topic in portion SSB Modulation of Analog Communications
Answer» The correct choice is (c) PCM The explanation: PULSE code modulation (PCM) is a digital FORM of communication. It has no relation with analog communication. Pulse Code Modulation is a technique in which the amplitude of an analogue signal is CONVERTED to a binary value represented as a SERIES of pulses.

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