Explain the five components of Data Communication System?

Answer 1

The five components are : 1. Message - It is the information to be communicated. Popular forms of information include text, pictures, audio, video etc. 2. Sender - It is the device which sends the data messages. It can be a computer, workstation, telephone handset etc. 3. Receiver - It is the device which receives the data messages. It can be a computer, workstation, telephone handset etc. 4. Transmission Medium - It is the physical path by which a message travels from sender to receiver. Some examples include twisted-pair wire, coaxial cable, radiowaves etc. 5. Protocol - It is a set of rules that governs the data communications. It represents an agreement between the communicating devices. Without a protocol, two devices may be connected but not communicating.