Describe the basic elements of communication network

Subject Introduction to Computer System
NU Year Set: 5.(b) Marks: 6 Year: 2010

Data communication is a process of transferring data electronically from one place to another. Data can be transferred by using different medium. The basic components of data communications are as follows:

·         Message

·         Sender

·         Receiver

·         Medium/ communication channel

·         Encoder and decoder

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