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WWW (World Wide Web) tutorials

The WWW (World Wide Web) or simply the Web, is one of the most popular services provided via the Internet.

What exactly is WEB?

  • The WEB is collection of all Clients, Servers, Files, Applications and Brower-accessible services like e-mail, Chat, Audio and Video conferencing, Site surfing, online information, electronic payment and funds transfer, online video games, streaming audio and video and much more.

  • It was created in 1980 by a computer scientist named “TIM BERNERS LEE”. He was working at CERN (European Organization for Nuclear Research), the European Laboratory for Particle Physics, located at Geneva. Tim Burners Lee developed a program that allowed pages to be linked to another pages.

  • The original purpose was to facilitate interaction between different computers in such a way that document located on one computers on Internet could provide link to documents located on other computers on the Internet.

  • A decade later development moved into the realm of text only browser. In 1990, Berners Lee named it to WWW World Wide Web. In 1992, CERN made the system and software available to rest of the world.

  • It took the efforts of many people to bring the technology what we see today. Through the Internet was used primarily for Academic Research, today it is being used in all segment.


Introduction to Internet programming

  • When Internet grew to millions of computers with heterogeneous Operating Systems, there emerged needs for programming environment, which could work on all such operating systems.

  • It leads to Traditional Client / Server programming environment. In simple term one can say

  • The Computers requesting information is Client

  • The Computers serving information is Server.

  • Before both could interact with each other, they must first establish a connection. Usually Servers are always connected to Internet, throughout 24 hours a day, 7 days a week. And depending upon requirements, Client connects on Internet.

  • Client after getting connected to Internet, they demand information. While Server are those computer which host website and database and all such stuffs.

  • Server responds to the request provided by client. Due to complexity in Operating system and environment, separate programming languages are used for Client and Server side programming.

  • Web development is a broad term for the work involved in developing a web site for the Internet (World Wide Web) or an Intranet (a private network). Web development can range from developing the simplest static plain text site to most complex web based internet applications, electronic business, e-commerce, social networking sites, games and more.

  • Traditionally for Client site programming for Internet, people uses HTML, HTML5, CSS3, JavaScript, Microsoft Silverlight, Flash, Ajax, JQuery and so on.

  • While for Server side programming you may use ASP.NET and ASP.NET MVC, CGI, PERL, PHP, ColdFusion, Python, JSP, Servlet, Ruby, Server Side Java Script, Active VFP and so on.

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