Modes of Communication | Simplex, Half-Duplex and Full Duplex ~ A2Z Computer

Modes of Communication | Simplex, Half-Duplex and Full Duplex

In a network system, when two computers transferring data (one is called sender and another one is called receiver), then this types of modes of communication is classified into following three types:

Simplex Mode

In Simplex mode communication, data can be transmitted in one direction only. In this case, any computer which is connected with the network can only send data as a sender and in opposite side the receiver computer can only receive the data. For example, Keyboard, Monitor, TV, Radio telecast, etc.

Simplex Mode

Half-Duplex Mode

In Full Duplex mode any computer in the network can send data to any other computer in the network. But not simultaneously. When one computer acts as sender then other computer acts as receiver and vice-versa. Here one channel is used for both actions i.e., sending and receiving data. For example, Conversation through Walkie-Talkies.

Half Duplex Mode

Full Duplex Mode

Full Duplex mode is also two way communication, but here data can transmit both the directions simultaneously. Which means, two computers in a network can send and receive data at the same time. Here two channels are used, one for sending and another one for receiving. For example, Telephone line, where we can talk and listen at the same time.

Full Duplex Mode

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