A) Automatic
B) Half-duplex
C) Full-duplex
D) Simplex
E) None of the above
Correct Answer: D
Solution :
[d] Communication between a computer and a keyboard involves simplex duplex. In this type of transmission mode data can be sent only through one direction i.e. communication is unidirectional. Television and remote, keyboard and monitor etc are examples of simplex duplex transmission.
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