How The Internet Works

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How The Internet Works

What is the Internet?

The Internet is a world-wide network of computers. It is an Information Superhighway that carries traffic to and from a collection of servers-- remote computers that handle requests for data and information, much like the waiter in a restaurant that takes orders for food. This collection of servers distributed all over the world and is called the World Wide Web (WWW). Servers respond to clients-- computers that request information, much like a customer in a restaurant orders food from the waiter. You click links to text, pictures, music, or video located on these servers. In addition, you can play the selected files on your local client PC, workstation, or terminal, as well as, links to related information located on these servers. Therefore, you do not have to remember where the information is located or to learn any obscure commands to access the Web.

What are the Advantages of the Internet?

Now that you know what theI internet is, you will learn about its advantages and how it is used to

Ø Communicate

Ø Learn

Ø Play

Communicate

Learn

Play

How Do You Access the Internet?

For computers to access the Internet, they require

Ø a physical means of transferring information

Ø a method for doing so (protocol)

Ø software applications that retrieve and send information and allow users access information.

There are three common methods of accessing the Internet:

Ø Dial Up Modem

Ø Dedicated Line

Ø Mobile Connection

Dial Up Modem: First, the most common method for individual computers to connect to the Internet is via dial up modem, which is used to provide a connection to an ISP-- Internet Service Provider over normal tele...

... middle of paper ...

...y server - a server designed to protect internal resources on networks that are connected to other networks such as the Internet.

Router - a dedicated computer that interconnects the various parts of the Internet, like a traffic cop that directs Internet traffic.

Server - a remote computer that handle clients' requests for data and information, much like the waiter in a restaurant takes orders for food.

Socket - the additional address field and is used to identify where the data is to be directed.

TCP/IP (Transfer Control Protocol/Internet Protocol) - the protocol of the Internet.

Uniform Resource Locator (URL) - the hypertext link between one document and another.

WWW - the general form used for the World Wide Web; refers to the server name.

World Wide Web - a collection of servers distributed all over the world that respond to various clients.

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