World wide web uses client-server architechture or 3 tier?
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The official description of the World-Wide Web (WWW, W3) is a "wide-area hypermedia information retrieval initiative aiming to give universal access to a large universe of documents". It is a way of viewing all the on-line information available on the Internet as a seamless, browsable continuum. This section introduces the general concept of the World-Wide Web and the basic elements in the model. The content of the section is as follows:
Basic World-Wide Web Model
Universal Resource Identifies
Hypertext Transfer Protocol
Hypertext Markup Language
Interactive World-Wide Web Model
Basic World-Wide Web Model
The basic idea behind the World-Wide Web is based on a client server application and hypertext documents as illustrated in the figure below. The model is simplified in that it only contains elements that exists within the World-Wide Web concept. Later the model will be expanded to a generic resource accessing model.