Data Communication

• Commubication involves the transfer of information from one place to another place


• Data communication refers to exchange of digital information in reliable and efficient manner


• Normally data transfer takes place between two devices


• The device which send the data is called sender


• the device which receive the data is called receiver

Reliability

The term reliability represents that the information sent by the source will be delivered to the correct destination

Accurancy

Accurancy deals with the methodology that the data sent by the source will reach the desitination without any loss during transmission

Time

The data stored should reach the destination within the specified time limit