Elements of a Computer Networking

To make any communication possible we need certain elements :-sender ,receiver ,and a communication medium . For example if you want to communicate with your friend.If you act as a sender and your friend act    as a receiver and there must be some medium i.e. air to communicate with each other . In addition language that is understood both of them .this means set of rules that are known to sender as well as receiver called  protocol in technical language .

1. SENDER:- It is the computer which want to give message to some computer or computers.

2. RECEIVER:- It is the computer which receives the data from sender who wants to communicate .

3. COMMUNICATION MEDIUM:- It is the medium through which sender connects to receiver .