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A walkie-talkie operates in ____________

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A walkie-talkie operates in ____________

(a) simplex

(b) half duplex

(c) full duplex

(d) semi-duplex

The question was posed to me in my homework.

I would like to ask this question from Transmission Modes in division Data Communications and Computer Networks of Computer Fundamentals

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The correct option is (b) half duplex

To elaborate: A walkie-talkie operates in half duplex mode. It can only send or receive a transmission at any given time.

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