World Wide Web, www or w3

This is a small introduction to the "World Wide Web"; starting with the most simple definition I can think of;

Hypertext

The word "Hypertext" refers to interlinked text documents . The link is usually an underlined word or sentence, which points to another document. When we click on the link, the current document is replaced with the one indicated in the link:

Internet

The Internet is a global system of interconnected computer networks that use the standard Internet protocol suite (TCP/IP).

The Internet carries an extensive range of services, such as e-mail, file transfer (ftp) and the inter-linked hypertext documents of the World Wide Web (WWW) based on the http protocol.

World Wide Web

The World Wide Web was created in the 1990s by Tim Berners-Lee in CERN, a European research organisation near Geneva, based in the hypertext concept applied to Internet. Each document called "web page" is located in a server and can be seen using a program, which Berners-Lee called Browser.

Web page

A web page is written in HTML language and has an unique name or identifier. This identifier is called URL.

URL "Uniform Resource Locator"

A uniform resource locator, abbreviated URL, also known as web address, is a specific character string that constitutes a reference to a resource:

Website

A website is a set of related web pages served from a single web domain; www.edu4java.com is a website.

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