Transmission Modes

Transmission Modes

1. Simplex Transmision

   • It sends data in one direction only. A radio broadcast is a good example of simplex transmission.

2. Half-duplex transmission:

   • allows two-way transmissions but the devices don’t transmit at the same time. A system being used to monitor and control manufacturing processes can use half-duplex transmissions. It will send a message to the control computer, which will respond with new settings, but they both cannot send messages at the same time. Some network systems use half-duplex to maximise bandwidth.

3. Full duplex transmission

   • allows two-way communication at the same time. The telephone system, land or mobile, is an example of a full duplex system.

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