What is data communication? Describe basic elements of data
|Subject||Introduction to Computer System|
|NU Year||Set: 5.(a) Marks: 1+4=5 Year: 2014|
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.
Data communication is a process of transferring data electronically from one place to another. Data can be transferred by using different medium.
Basic Elements of data-communications:
· Medium/ communication channel
· Encoder and decoder