India Exam Junction
[Election Kanungo Sept, 2021]
12. Communication between a computer and a keyboard involves ______ transmission.
Automatic
Hall-duplex
Full-duplex
Simplex
Correct Answer :
Simplex
Solution
Communication between a computer and a keyboard is simplex, as the data flows in only one direction — from the keyboard to the computer. The computer does not send any data back to the keyboard during this interaction.