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What are different data transmission modes?

The manner in which data are transmitted from one location to another location is called data transmission mode. There are three ways or modes for transmitting data from one location to another. These are:

data transfer process

1. Simplex Mode

In simplex mode of data transmission, data are transferred in only one direction on the data communication line ( medium). A terminal can only send data and cannot receive it or it can only receive data but cannot send it. Examples of simplex transmission are radio, Newspaper, television broadcast, etc. It is the cheapest communication method.

2. Half-Duplex Mode

In half-duplex mode, data can be transmitted in both directions but only in one direction at a time. During any transmission, one is the transmitter and the receiver. So each time for sending and receiving data, the direction of data communication is reserved, this slows down the data transmission rate. In half-duplex mode, the transmission of data can be confirmed. Wireless communication is an example of half-duplex. Conversation on walkie Talkies is a half-duplex data flow. Each person takes turns talking. If both talks at once nothing occurs!

3. Full duplex mode

In full duplex mode, data can be transmitted in both directions simultaneously. It is faster mode of transmitting data because no time wasting in switching directions. Example of full duplex is telephone set in which both of the user can talk and listen at the same time. In the computer networking, models are configured to flow data in both directions.

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