In FDM,____ take up frequencies that might be used for other data channels,thus introducing a certain level of wastefulness.
A) guard bands
B) channels
C) multiplexors
D) demultiplexors

Question

Quizplus · Accepted Answer

Guard bands are used in FDM to separate channels and prevent interference between them. However, they also take up frequencies that could potentially be used for other data channels, leading to wastefulness. Therefore, guard bands introduce a certain level of inefficiency in FDM.

In FDM,____ Take Up Frequencies That Might Be Used for Other