What is computer networking? Computer networks can be defined as the exchange of network packets between computing machines over the world with the help of data lines like wire cables, optical fibers, and so on. The Internet is a sort of computer network. Computer networking If we interface 2 computers (PC1 and PC2) with this Ethernet wire then that is called your very own 'Network'. Computer Networks are the basis of communication in IT. They are utilized in a huge variety of ways and can incorporate various types of networks. A computer network is a set of computers that are associated together so they can share data. The simplest examples of computer networks are from the 1960s, yet they have made some amazing progress in the 50 years from that point forward. Types of Network There is a wide range of types of networks, which can be utilized for various purposes and by various kinds of individuals and organizations. Here are some of the network typ