The function of multiplexing is

Q.  The function of multiplexing is
- Published on 12 Oct 15

a. To reduce the bandwidth of the signal to be transmitted
b. To combine multiple data streams over a single data channel
c. To allow multiple data streams over multiple channels in a prescribed format
d. To match the frequencies of the signal at the transmitter as well as the receiver

ANSWER: To combine multiple data streams over a single data channel
 
Multiplexing is a process where multiple data streams from different sources are combined and transmitted over a single data channel. Multiplexer or MUX is placed at the transmitting end to combine the signals and a De multiplexer or DEMUX is placed at the receiver that separates the received signals and sends them to their corresponding destinations.

Multiplexing techniques are classified as Time-division multiplexing (TDM) and Frequency-division multiplexing (FDM).

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