Elements Of Communication:
- Two Basic Modes of Communication:
a) Point to Point
b) Broadcast
- Point to Point mode of communication:
Here, communication takes place over a link between a single transmitter and a receiver.
Telephony is an example of such a mode of communication.
- Broad Cast Mode of Communication:
Here, there are a large of receivers corresponding to a single transmitter.
Radio and Television are examples of such a mode of communication.
- Analog mode of Transmission:
An analog message is physical quantity that varies with time usually in a smooth and continuous fashion.
- Digital mode of transmission:
A digital message is an ordered sequence of symbols selected from a finite set of discrete elements.
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