Question

When data travels in either direction but only one way at a time, it is"

Answer 1

Answer:

sorry bro but I need points

Answer 2

Half duplex or semi duplex is the correct answer.

1. In this data transmission mode, capacity of channel is enough to make data travel only in one mode.
2. Internet browser and walkie talkie are common examples of such data transmission system.
3. The ability of semi duplex system to transmit data in both directions is advantageous but only in one direction at a time holds disadvantage.