Data Communication/ Data Transmission Modes

by • 17/11/2012 • GeneralComments (0)407

Data Communication/ Data Transmission Modes

The transfer of data over data communication/ data transmission channels occurs in three modes:

 

1. Simplex

In this mode, data can be transmitted in only one direction. A device using the simplex mode of transmission can either send or receive data, but it cannot do both.

2. Half-duplex

In this mode, data can be transmitted in two directions, but not at the same time. A device using half-duplex mode of transmission can send and receive data; it can do both, but only one direction at a time.

3. Full-duplex

In this mode, data can be transmitted in two directions simultaneously at the same time. A device using full-duplex mode of transmission can send and receive data; it can do both, all the time.

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