Draw a block diagram showing the important components of a communication system. What is the function of a transducer?

Communication is the act of transmission of information.

Communication system has three essential elements − transmitter, medium/channel, and receiver.

Receiver and transmitter are located at different places and the channels connect them.

Transmitter converts the message signal produced by the source of information into a form suitable for transmission through the channel.

Transducer − It converts one form of energy into another.