Question

What is data communication system components

Answer 1

1 Message
2nd sender
3rd receiver
4.Medium
5. encoder and decoder

Answer 2

Data communication system is the process of using computing and communication technologies to transfer data from one place to another and vice versa. It enables the movement of electronic or digital data between two or more nodes.

There are five components of data communication system-

☆ Message- It is the information to be communicated. Popular forms of information includes text, video, audio, pictures, etc.
☆ Sender- It is the device which sends the data messages. It can be a computer, workstation, telephone handset etc.
☆ Receiver- It is the device which receives the data messages. It can be a computer, workstation, telephone handset etc.
☆ Transmission medium- It is the physical path by which a message travels from sender to receiver. Some examples include twisted- pair wire, coaxial cable, radio waves etc.
☆ Protocols- It is a set of rules that governs the data communication. It represents an agreement between the communicating devices. Without a protocol, two devices may be connected but not communicating.