Why Study about the Internet?

√ To understand what the Internet is, the services that it offers, what is required in order to get connected, as well as to establish a connection and log out of the Internet.

What is the Internet?

v It is a large no. of connected computers (or a large set of computer networks) linked together that communicate with each other, over telephone lines.

v It is a worldwide computer network connecting thousands of computer networks, through a mixture of private & public data using the telephone lines.

v It isa worldwide (global or an international) network of computers that provide a variety of resources and data to the people that use it.

v Internet refers to a global inter-connection of computers and computer networks to facilitate global information transfer. It is an interconnection of computers throughout the world, using ordinary telecommunication lines and modems.

The Internet uses VSATS (Very Small Aperture Telecommunication Systems) such as Telephone lines, Satellite.