Question

Which statement is true about multiplexing?

(a) it is used to reduce the bandwidth

(b) it is used to combine multiple data streams over a single data channel

(c) it is used to allow multiple data streams over multiple channels

(d) it is used to match and pass the same frequency signal

I have been asked this question during a job interview.

The query is from AGC topic in portion Receivers & Transducers of Analog Communications

Answer 1

Right answer is (b) it is used to combine multiple data streams over a single data channel

The explanation is: Multiplexing is a process where multiple data streams from different sources are combined and transmitted over a single data channel. It is placed at the transmitting end to combine the signals.