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Pulse communication system that is inherently highly immune to noise is ________

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Pulse communication system that is inherently highly immune to noise is ________

(a) PCM

(b) PPM

(c) PAM

(d) PWM

I have been asked this question during an internship interview.

My question is from Modulation of VSB Modulated Wave in chapter VSB Modulation of Analog Communications

1 Answer

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Best answer
Correct choice is (a) PCM

The best explanation: 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. It is less prone to noise and can travel through long distances without loss of data.

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