Question

Which of the following statement(s) is/are true about the communication system?

• A. Channel is a medium, which connects transmitter with receiver
• B. The purpose of transmitter is to convert the message signal produced by the source of information
• C. Noise adds to the transmitted signal and the receivers receives a corrupted version of transmitted signal.
• D. All of the above

Answer 1

Answer: (D)

All of the above

Channel is a medium through a signal propagates from transmitter to receiver i.e. it connects transmitter with receiver.

Transmitter converts the signal into an electrical signal and sends it through the channel.

Noise is an unwanted signal which adds to the original transmitted signal. Noise is an amplitude variation in signal due to several reasons. Due to this receiver receives a corrupted signal.