(13) (a) What are the three basic units in communication systems ? Write briefly the function of each of these.
(b) Write any three applications of the internet used in communication systems.
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puts u roosthello hi friend friend hello from class today today
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"The three major components of the communication system are:
1. Transmitter: the transmitter is the unit which is used to convert messages into suitable codes that can be transmitted easily.
2. Communication channel: the medium of communication which carries messages from one place to another.
3. Receiver: the end unit in the channel who receives the messages.
This is used in e-banking, e-commerce etc.
"
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