A network is a collection or set of computing devices connected to one another to establish communication and also share available resources. A network will comprise software and hardware devices. You can have a network even if you are not connected to the internet. Computer networks make it possible for people to transfer files from one place to another and to communicate taking the shortest time possible.

Prof.N.Arun Prasath is presently working as Senior Assistant Professor in Rathinam Technical Campus, Coimbatore.Dr.S.Muthu Vijaya Pandian presently working as Professor in Department of Electrical and Electronics Engineering at SNS College of Technology, Coimbatore.