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Difference between Simplex Transmission Modes and Full Duplex Transmission Modes

  • Last Updated : 21 Jan, 2021

Prerequisite – Transmission Modes in Computer Networks

1. Simplex Mode :
Simplex mode is as on a one-way street, the communication is unidirectional, as on a one-way street. In this, only one of the two devices on a link can transmit, the other can only receive. This mode is use the entire capacity of the channel to send data in one direction.


2. Full duplex mode :
Full duplex mode is when sender can send the data and also can receive the data simultaneously. It is two-way directional i.e bi-directional communication simultaneously.


Difference between Simplex Transmission Modes and Full Duplex Transmission Modes :

Sr.No.Simplex ModeFull duplex mode
1. The sender can send the data but that sender can’t receive the data.The sender can send as well as receive the data at the same time.
2.In simplex mode data flow is UniDirectional.In Full Duplex data flow is two directional and is simultaneous.
3.Simplex mode provides worst performance than full duplex mode. Full duplex provides better performance than simplex mode.
4.In this bandwidth utilization is maximum.In this bandwidth utilization is doubled.
5.In this, one station is the transmitter and the other is the receiver. Here, information is one way, that is, it is only the transmitter that sends data or information.In this, signals are transmitted in both directions; both end stations can receive and send data at the same time. Full duplex mode requires two independent channels for transmission, one for receiving the data and the other for transmitting the data.
6.Keyboard and traditional monitors are example of simplex mode. Telephone, Instant Chat rooms, Audio Video Calls are example of full duplex mode.


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