Introduction of World wide Web
World Wide Web Overview
WWW stands for World Wide Web. A technical definition of the world wide web is : all the resources and users on the internet that are using the Hypertext Transfer Protocol (HTTP).A broader definition comes from the organization that Web inventor Tim Berners-Lee helped found, the World Wide Web Consortium (W3C).The World Wide Web is the universe of network-accessible information, an embodiement of human knowledge.In Sinple terms, The World Wide Web is a way of exchanging information betweeon computers on the internet, trying them together into a vast collection of interactive multimedia resources.
Internet and Web is not the same thing: uses internet to pass over the information.
World Wide Web was created by Timothy Berners Lee in 1989 at CERN in GenevaWorld Wide Web came into existence as a proposal by him, to allow researchers to work together effectively and efficiently at CERN. Eventually it became World Wide Web.
WWW works on client- server approach. Following Steps explains how the web works:
When user enters the URL say, https://www.genuinetech.pk of the web page in the address bar of web browser.
Then browser requests the Domain Name Server for the IP address corresponding to www.genuinetech.pk.
After receiving IP address, browser sends the request for web page to the web server using HTTP protocol which specifies the way the browser and web server communicates
Then web serve receives request using HTTP protocol and checks its search for the requested web page. If found it returns it back to the web browser and close the HTTP connection.
Now the browser receives the web page, It interprets it and display the contents of web page in web browser's window.
There had been a rapid development in field of web. It has its impact in almost every area such as education,research, technology, commerce, marketing etc. So the future of web is almost unpredicatable.
Apart from huge development in field of world wide web, there are also some technical issues that w3 consortium has to cope up with.
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