viernes, 14 de marzo de 2014

World Wide Web


''WWW'' means World Wilde Web

It is a distribution system or interconnected hypertext documents accessed via the Internet and hypermedia. With a web browser, a user views Web sites consisting of web pages that may contain text, images, video or other multimedia content, and browse through the pages by using hyperlinks.

The first step is to translate the server name portion of the URL to an IP address using the distributed database called DNS Internet. This IP address is necessary to contact the web server and can send data packets.
The next step is to send a HTTP request to the Web server requesting the resource. In the case of a typical web page, the HTML text is first requested and then is immediately used by the browser, which then makes additional requests for graphics and other files that are part of the page.


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