Data communications (DC) 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, regardless of geographical location, technological medium or data contents.
What are the 5 components of data communication?
The basic components of data communications are as follows:
- Medium/ communication channel.
- Encoder and decoder.
What is the main purpose of data communication?
The fundamental purpose of data communications is to exchange information between user’s computers, terminals and applications programs. ! In its simplest form data communications takes place between two devices that are directly connected by some form of point-to-point transmission medium.
What is data communication concept?
Data communication refers to the exchange of data between a source and a receiver via form of transmission media such as a wire cable. Data communication is said to be local if communicating devices are in the same building or a similarly restricted geographical area.
Why is data communication important?
The communication i.e. transferring of data and information over significant distances is known as telecommunication. Advantages of computer network are: Data and software of computer can be shared with other computer on the network. Computers on the network can communicate with each other.