What transmission mode allows simultaneous two-way communication (like cell phones)?

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Multiple Choice

What transmission mode allows simultaneous two-way communication (like cell phones)?

Explanation:
Full-duplex transmission enables simultaneous two-way communication, just like a phone call where both sides can talk and listen at the same time. This means each end can transmit and receive at the same moment, so conversations flow naturally without waiting for a turn. Half-duplex would require switching directions—people take turns speaking and listening, as with a walkie-talkie. Simplex is one-way only, such as a broadcast where you can receive but not respond. Asynchronous transmission describes how bits are timed and framed (start/stop bits) and doesn’t specify whether the link supports simultaneous two-way communication.

Full-duplex transmission enables simultaneous two-way communication, just like a phone call where both sides can talk and listen at the same time. This means each end can transmit and receive at the same moment, so conversations flow naturally without waiting for a turn.

Half-duplex would require switching directions—people take turns speaking and listening, as with a walkie-talkie. Simplex is one-way only, such as a broadcast where you can receive but not respond. Asynchronous transmission describes how bits are timed and framed (start/stop bits) and doesn’t specify whether the link supports simultaneous two-way communication.

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