WWW (World Wide Web)

• It is a huge collection of pages of information linked to each other around one globe.
• Every page is a combination of text, picture, audio, video, animation & hyperlink.
• Tim Berners Lee is the father of  WWW

                                                  

Web page

• It is a collection of normal text, picture, video clip, audio clip & hyperlink.
• It can be designed with HTML, XML, JavaScript etc.
• HTML - design structure
• JavaScript - validate the field
• XML - advanced version of html

Website

• It is a collection of interlink webpages.
• Website is accessed through url.
• Url is a global address of web document on WWW.
• Urls are unique in nature may don't have copy.
• There are two parts in url.

          1.Protocol

          2.Resource name

• Website is categorised according to their function.

          1.Personal Website

          2.Commercial Website

          3.Government Website

• There are two types of websites

          1.Static - information site

          2.Dynamic - interactive site

Web Application (Web App)

• You can run web app into the browser through url.
• There are two types of  web app

          1.Service oriented

          2.Presentation oriented

Service oriented app

• It is used to implement web services.
• It is coded using CGI, JSP, ASP

Presentation oriented web app

• It provides client side services.
• They are coded using HTML, XML, JavaScript etc.

Web architecture

• WWW follow two tier architecture.
• It is a combination of web server & web client.
• Web server produce & deliver information.
• Web client retrive & display information.