Communication and its Components

Communication:

Communication is a process of transferring data information from one place to another. For example: transferring emails over internet.

Modes of communication:

There are three modes of communication. They are explained below.

1.  Simplex: communication takes place in one direction only. For example: FM, radio.
2. Half Duplex: communication takes place in both the directions but not at the same time. For example: walkie-talkie.
3. Duplex: communication takes place in both directions at the same time. For example: telephone.

Communication Components:

A communication system has following components:

1.        Source: generates data.
2.        Transmitter: converts data into signal so that it can be transmitted.
3.        Transmission media: carries signal.
4.        Receiver: converts signal into data.
5.        Destination: accepts data.

Fig: Block diagram of communication system