Difference between Simplex Transmission Modes and Half Duplex Transmission Modes
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, and the other can only receive. This mode uses the entire capacity of the channel to send data in one direction.
Example:- keyboard and monitor.
2. Half-duplex mode:
Half-duplex mode is when the sender can send the data and also can receive the data one at a time. It is two-way directional i.e. bi-directional communication but one at a time.
Difference between Simplex Transmission Modes and Half Duplex Transmission Modes :
|Sr.No.||Parameters||Simplex Mode||Half-duplex mode|
|1.||Definition||The sender can send the data but that sender can’t receive the data.||The sender can send as well as receive the data but does one task at a time.|
|2.||Data Flow||In simplex mode data flow is Unidirectional.||In Half duplex data flow is two-directional but one at a time.|
|3.||Bandwidth Utilization||In this bandwidth utilization is maximum.||In this there is less utilization of bandwidth during transmission.|
|4.||Performance||Simplex mode provides worst performance than full-duplex mode.||Half-duplex mode provides less performance than full-duplex mode.|
|5.||Data Transmission||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, two systems are connected by a point-to-point link to transmit and receive signals. Both ends can transmit signals but one at a time.|
|6.||Communication Channel||Utilization of communication channel capacity in delivering data in one side.||Bandwidth gets saved by exchanging it alternately between both sides on a single communication channel.|
|7.||Suitable for||This transmission is suitable when data sending is required in one way only.||This transmission is suitable when data is sent in both directions, but in opposite directions.|
|8.||Examples||Keyboard and traditional monitors are an example of simplex mode.||Walkie-Talkies and Text messages are examples of half-duplex mode.|