Let us start with a small example, imagine that, you are working as a marketing manager in a Company ABC, that has branches over various locations, and you want to know the details of the sales of your company over various branches, one solution is by visiting through various branches and collecting information about the sales, the second solution is, by connecting the computers at your branches through a network. This allows you to complete your assignment from your seat itself.
Networking of computers allows sharing of the resources among themselves. When you connect two computers so that they can communicate, you form a network. You can also connect two or more networks to form an internet-network or Internet.
The Internet is the word used to describe the massive world-wide network of computers. The word ―Internet‖ literally means, ―Network of networks‖. Internet is super-network of millions of interconnected computers and million of users.