Web application is developed to make surfing a smoother experience. Web application publication is primarily developed in a three tier program. The user level, the business level and the data services level. What you see on screen is the user level application of the software, that creates a gateway for the users to interact on the web.The user level web application are generally created in the simple HTML, DHTML, sometimes the complex COM and Java script applets. Most of the softwares that were developed earlier were based on the client server architecture, which needed it to be installed separately in each of the user's computer. Upgrading such web application became extremely difficult as it involved upgrading each and every machine in which it was...
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