- What are the three basic units in communication systems? Write briefly the function of each of these.
- Write any three applications of the internet used in communication systems.
CBSE OUTSIDE DELHI - SET 2 PATNA 2015
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Three Basic units:
Transmitter:
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Processing & transmission of message signal.
Communication channel:
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The link for propagating the signal from transmitter to receiver.
Receiver:
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Extracting the message signal from the signal received by it.
Three applications of internet:
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Internet surfing.
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E-mails.
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E-banking.
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E-shopping.
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E-booking (e-ticketing).
-
Social networking.
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