In a PCM system, if the code word length is increased from 6 to 8 bits, the signal to quantization noise ratio improves by the factor.

Electronics and Communication Engineering (ECE) : Communication Systems - Quiz(MCQ)

8/6

Correct Answer : Option (C) : 16

Explanation :

Given n₁ = 6, n₂ = 8,

then (SNR)_Q = 22^{(n₂ - n₁)} =>16.

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In TV scanning sequence of lines is

right to left

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left to right for odd fields and right to left for even field

left to right for even fields and right to left for odd field

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Correct Answer : Fading

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