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Mr. Dubey • 52.30K Points
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Q. In the digital communication system, signals in different frequency bands are

(A) orthogonal
(B) non orthogonal
(C) orthogonal & non orthogonal
(D) none of the mentioned
Correct : Option (A)

Explanation: 
 in digital communication system, signals from different frequency bands are orthogonal thus interference won’t occur.

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