It is a system of computer connection which allows users to have access to the whole of documents it contains. It was born in 1989 and on a first stage it was thought for the scientific community. Nevertheless, the interest on this system of global information increased among enterprises and eventually private users, who started building this collection of pages that mix up text, images, sounds and animation. It is very simple for the user, who doesn't need any computing knowledge to surf Web pages, although a few patterns are usually advisable, for there are so many pages and the web is so inter-related that the surfer may be completely lost in a sea of data. There are information catalogues on every subject and the so-called searching engines , which the user can look up in order to have a general idea of what may be found.
Web servers are also valid for all the platforms.
To look up this information, we need a program called browser. The most popular at the moment is Netscape, which is freeware. It can be used to transfer all kinds of data and it is open to future innovations. A language that represents the document structure and the links's origin and target. It is very simple and allows you to enter pages with any platform you are using.