Computer Networking. Computer networks are used to share the data, information, and resources with a specific medium. It allows for distributing the information and increased the communication resource.  Computer networks provide the services to the large organization and as well as the individual common man. It can be used as single business building blocks other than used as LAN, WAN, and MAN.

Before starting to look at the official matters in details, it is worth allocating some time to indicating out why people are interested in computer networks and what they can be used for. After all, if nobody were interested in computer networks, few of them would be built. Starting with the traditional uses at corporations and for individuals and then move on to contemporary enhancements as regards mobile users and home networking.

The basic four uses of computer networks which are as follows: Business-Applications, Home-Applications, Mobile-Users, and Social-Issues.