HOW INTERNET WORKS ?

1. You request to display a Web Page on your computer screen.
2. A modem converts the digital signals from the computer into analog signals which are understood by telephone lines.
3. Data request travels through telephone lines to a local ISP ( Internet service provider ).
4. Data may pass through one or more routers before reaching its final destination.
5. The regional ISP uses lines leased from a telephone company to send data to a national ISP.
6. A national ISP route data across the country to another national ISP
INTERNET BACKBONE
NATIONAL ISP
7. Local ISP / Data moves from a national ISP and then to a local ISP and then to a destination server ( In this example, the server that contains the requested Web site ).
8. The server retrieves the requested data ( a Web page ) and sends it back through the internet backbone to your computer.
THE IP addresses are Numbers are of course easy to handle for computers but not for us as humans So the Domain Name System was introduced in 1984.