Question:
In _________ data transmission mode, messages can be sent in both directions, but only in one direction at a time.
In _________ data transmission mode, messages can be sent in both directions, but only in one direction at a time.
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Half-duplex allows two-way communication, but only one direction at a time.
Updated On: Jan 14, 2026
- Simplex
- Half-duplex
- Full-duplex
- Extended duplex
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The Correct Option is B
Solution and Explanation
In half-duplex data transmission mode, communication occurs in both directions between devices, but only one device can send data at a time. This means that when one device is transmitting, the other must wait until the transmission is complete before responding.
Other transmission modes:
- Simplex: Data flows in only one direction.
- Full-duplex: Data flows simultaneously in both directions.
Half-duplex is commonly used in walkie-talkies and some network systems where bidirectional communication is necessary but simultaneous transmission is not possible.
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