What is the name of the mode of transmission where data can be sent in both directions, but not at the same time (for example a walkie-talkie or a police radio)?

Model answer

half duplex

Also accepted: half duplex transmission

Explanation

Half duplex transmission sends data both ways, but only one direction at a time, e.g. walkie talkie, over-over, police radio.

Derived from ZIMSEC Computer Science 4021/2 Paper 2, November 2019, Q1

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