Online GK Series

This site is dedicated to the aspirants of competitive exams SSC, UPSC, Railways, Bank, GATE and NET


Half duplex operation requires

A High speed links
B Noiseless channels
C Modems at both ends
D None of the above
Answer & Explanation
Option: [D]

Half Duplex operation involves data flow in both direction, but only one direction at a time. It is a two-wire transmission with medium cost and efficiency.

Your Valuable Comments Please...

Please Like Us