Question
Complete the following block diagram depicting the essential elements of a basic communication system.

Name the two basic modes of communication. Which of these modes is used for telephonic communication?
Solution
The block diagram is given below:

The two basic modes of transmission are:
(i) Point to point: Communication takes place over a link between a single transmitter and receiver.
(ii) Broadcast mode: Transmission of signals take place over a large number of receivers corresponding to a single transmitter.
For telephonic conversation, point to point mode of communication is used.

The two basic modes of transmission are:
(i) Point to point: Communication takes place over a link between a single transmitter and receiver.
(ii) Broadcast mode: Transmission of signals take place over a large number of receivers corresponding to a single transmitter.
For telephonic conversation, point to point mode of communication is used.