RUBAB CHANDIO PRESENTED BY: M.ED Morning Roll No: 43
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RUBAB CHANDIO
PRESENTED BY:
M.ED Morning Roll No: 43
WORLD WIDE WEB
WWW
OBJECTIVESWhat IS WORLD WIDE WEBHistoryStructureComponentsFundamental Concepts How To Create A Web PageWhich Came First OR Www ?Internet AND WwwSummary
WHAT IS WORLD WIDE WEB
Way Of Exchanging Information
Public Files On Computers Can Be Read By Remote User.- Usually Hyper Text Markup Language
( .Html )
A Document On The Web Is Called A Web Page, Identified By A Unique Address Called URL
Uniform Resource Locator ( URL )
HISTORY1989-1990 tim burners lee invents the world wide web ( WWW ) at cern.
Published in 1992
Means for transforming text and graphics simulteneously
Text markup language
STRUCTUREWeb pages constructed using html
Clients use browser application to send URIs via HTTP to servers requesting a web page
Servers respond with requested web pages or error message.
Clients browser renders web pages returned by server
COMPONENTS
Structural ComponentsI. Clients / BrowsersII. ServersIII.CachesIV. Internet
Semantic Components I. Hypertext markup language ( HTML )II. Hyper text transfer protocol ( HTTP )III.Extensible markup language ( XML )IV. Uniform resource locator ( URL )
FUNDAMENTAL CONCEPTS
The Hyper Text Concept : Hyper text is text which contains link to
other text. The term was invented tin nelson around 1965The hypermedia concept :
Hypermedia is term used for hypertext which is not constrained to be text it can include graphics , videos and sounds .Web browsers :
A web browser displays a webdocument and enables users to acecess web document
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