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    Question

    Which of the following is an example of Half Duplex?

    A Telephone Correct Answer Incorrect Answer
    B Walkie-Talkies Correct Answer Incorrect Answer
    C Monitor Correct Answer Incorrect Answer
    D Internet broadcasting Correct Answer Incorrect Answer

    Solution

    The communication between sender and receiver occurs in both directions in half duplex transmission, but only one at a time. The sender and receiver can both send and receive the information, but only one is allowed to send at any given time. Half duplex is still considered a one-way road, in which a vehicle traveling in the opposite direction of the traffic has to wait till the road is empty before it can pass through. For example, in walkie-talkies, the speakers at both ends can speak, but they have to speak one by one. They cannot speak simultaneously.

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