World Wide Web : World Wide Web “WWW”, "Web" or "W3" Slide 3: What is WORLD WIDE WEB?
How to access the web?
Creating a web page?
Internet and World wide web?
3d mapping of WWW.
Conclusion WHAT IS WORLD WIDE WEB? : Way of exchanging information.
Network of pages of images, texts and sounds etc.
Platform for user. WHAT IS WORLD WIDE WEB? WWW …. BACKGROUND? : WWW …. BACKGROUND? 1989-1990 – Tim Berners-Lee invents the World Wide Web at CERN
Published in 1992
Means for transferring text and graphics simultaneously
Lots of previous attempts (Gopher, WAIS, Archie, Xanadu, etc.)
Established a common language for sharing information on computers STRUCTURE : STRUCTURE Clients use browser application to send URIs via HTTP to servers requesting a Web page
Constructed by HTML.
Servers respond with requested Web page or with error message.
Page is written using Hyper Text Markup Language (HTML)
Displaying text, graphics and sound in browser. WWW COMPONENTS : WWW COMPONENTS Structural Components:
Hyper Text Transfer Protocol (HTTP)
Hyper Text Markup Language (HTML)
Extensible Markup Language (XML)
Uniform Resource Identifiers (URIs) Slide 8: FUNDAMENTAL CONCEPT OF THE WORLD WIDE WEB The Hypertext concept Hypertext is text which contains links to other texts. The term was invented by Ted Nelson around 1965 . The Hypermedia concept Hypermedia is a term used for hypertext which is not constrained to be text: it can include graphics, video and sound. Slide 9: WEB Browser A web browser displays a web document and enables users to access web documents. WEB Server This is a program that waits patiently for the browser to request a web page. The servers looks for the requested information, retrieves it and send it to the browser or sends an error message if the file is not found. Uniform Resource Locator (URL) These are the web addresses. We type URL in Address bar of the browser then hit on enter then URL request a web page to the web server . Slide 10: It is the Hypertext Transfer Protocol The domain name of web server on which page is located. It identifies the location of the document on internet It identifies the resource name. HOW TO ACCESS THE WEB? : HOW TO ACCESS THE WEB? Follow these steps,
Open your web browser
Write the address in the address bar
Hit the ENTER key or click on the GO button Creating a WEB PAGE ! : Creating a WEB PAGE ! Sets of text files
Noted in HTML notation
Individual embedded tag for each text, image and video
Interpreted by a web browser THE DIFFERENCE BETWEEN WORLD WIDE WEB AND INTERNET…? : THE DIFFERENCE BETWEEN WORLD WIDE WEB AND INTERNET…? Internet:
massive network of networks
connecting millions of computers
way of accessing the information
simply, large portion of internet GROWTH OF WORLD WIDE WEB : GROWTH OF WORLD WIDE WEB WORLD WIDE WEB success!! : WORLD WIDE WEB success!! World Wide Web succeeded because it was simple!
Didn’t attempt to maintain links, just a common way to name things 3D MAPPING OF THE WORLD WIDE WEB : 3D MAPPING OF THE WORLD WIDE WEB Examples: : Examples: www.juw.edu.pk www.google.com www.msn.com Conclusion : Conclusion The World Wide Web was have today was created by some very bright, talented people who either had vision, or were inspired by other talented people’s visions.
Though their ideas were not always popular, they pressed ahead.
Their perseverance and hard work brought us to where we are today.
There is a lot to be learned by studying these people, their early work and keeping in mind what they had to work with. Thank you! : Thank you! Slide 20: Presented By: