Correct Answer : Option (D) : PCM
Explanation : An analog number cannot be converted into an exact digital number.This is called quantizing error.
Correct Answer : left to right
Correct Answer : Fading
Explanation : Tropospheric scatter propagation is subject to two types of fading called Rayleigh fading (due to multipath propagation) and fading due to variations in atmospheric conditions along the propagation path.
Correct Answer : 13 mm