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Communication between a computer and a keyboard involves ___________ transmission

  1. Simplex
  2. Half-Duplex
  3. Automatic
  4. Full-Duplex
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  • As per the above mentioned details, data flows in only single direction.So it Simplex transmission.
  •  Half-duplex data transmission means that data can be transmitted in both directions on a signal carrier, but not at the same time
  • Full-duplex data transmission means that data can be transmitted in both directions on a signal carrier at the same time

Option A here data can be transmitted only one direction  always  keyboard to computer so it is simple transmission

1 vote
1 vote
Its simplex as communication is always in one direction from keyboard to computer.

So A is correct.

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Why it is not half-duplex as a computer might wait for some input from keyboard therefore, it waits and poll continuously keyboard for data and when user enter data then it is send to computer. Plz explain.

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