Correct Answer - Option 2 : Telephone
In a full-duplex system, both parties can communicate with each other simultaneously.
Monitor |
It is an example of Simplex mode as the Monitor can only introduce output. |
Telephone |
It is example of full duplex as the parties at both ends of a call can speak and be heard by the other party simultaneously.
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Walkie-Talkie |
It is an example of a half-duplex device is a walkie-talkie.
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Keyboard |
It is an example of Simplex mode as the keyboard can only introduce input.
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