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www - world wide web
• Introduction
• Architecture
• URL
• Cookies
• Web documents
Content
 Commonly referred to as WWW or the web.
 WWW is a service on the Internet. It consist of
sets of linked document known as Web Pages,
which can be viewed using a program called a
browser.
 Developed by Tim Berners-Lee in 1989 at
CERN to organize research documents
available on the Internet.
 Combined idea of documents available by
FTP with the idea of hypertext to link
document.
1.Introduction
Tim Berners-Lee
The World Wide Web
2.Client / Server Architecture
 The WWW is a distributed client / server service in
which a client using a browser can access a service
using a server.
defination
Client/web browser
A browser that interpret and display a web page
Each browser consists of three part:
Controller
Interpreter
Client protocol
Web server :
The web page is stored at the server
Eachtime a client request arrives the corresponding
document is sent to the client
 It is the mechanism used by the browsers to retrieve any published source on the web.
The URL defines four things
i. Protocol
ii. Host (computer)
iii. Port
iv. Path
3.URL - Uniform Resource Locator
protocol subdomain domain TLD Path
Top level domain
Uniform resource locator
4.Cookies
Definition
 Cookies are small pieace of file sent to your browser by
a website
 They help that website remember your information for
best experince
Types of cookie
 Session cookie
 Persistent cookie
 Third paty cookie
Web document
 A web page is a simple document displayable by a browser .
 Such documents are written in the HTML language
 It is classified into three types
Static web document
Dynamic web document
Active web document
 It is fixed content document that are store in server
 The client can get a copy of document
 Example: html , Ftp
 It is created by a web server whenever a browser request the document.
 CGI is a technology that create and handle dynamic document
 Example : Instagram , youtube .
i) Static web document
ii) dynamic web document
iii) Active web document
definition
 It owns the set of data and has access to storage where the data can be
saved and retrieved.
 It is also known as client side dynamic web
ii) dynamic web document
i) Static web document

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www presentation.pptx

  • 1. www - world wide web • Introduction • Architecture • URL • Cookies • Web documents Content
  • 2.  Commonly referred to as WWW or the web.  WWW is a service on the Internet. It consist of sets of linked document known as Web Pages, which can be viewed using a program called a browser.  Developed by Tim Berners-Lee in 1989 at CERN to organize research documents available on the Internet.  Combined idea of documents available by FTP with the idea of hypertext to link document. 1.Introduction Tim Berners-Lee The World Wide Web
  • 3. 2.Client / Server Architecture  The WWW is a distributed client / server service in which a client using a browser can access a service using a server. defination Client/web browser A browser that interpret and display a web page Each browser consists of three part: Controller Interpreter Client protocol Web server : The web page is stored at the server Eachtime a client request arrives the corresponding document is sent to the client
  • 4.  It is the mechanism used by the browsers to retrieve any published source on the web. The URL defines four things i. Protocol ii. Host (computer) iii. Port iv. Path 3.URL - Uniform Resource Locator protocol subdomain domain TLD Path Top level domain Uniform resource locator
  • 5. 4.Cookies Definition  Cookies are small pieace of file sent to your browser by a website  They help that website remember your information for best experince Types of cookie  Session cookie  Persistent cookie  Third paty cookie
  • 6. Web document  A web page is a simple document displayable by a browser .  Such documents are written in the HTML language  It is classified into three types Static web document Dynamic web document Active web document  It is fixed content document that are store in server  The client can get a copy of document  Example: html , Ftp  It is created by a web server whenever a browser request the document.  CGI is a technology that create and handle dynamic document  Example : Instagram , youtube . i) Static web document ii) dynamic web document iii) Active web document definition  It owns the set of data and has access to storage where the data can be saved and retrieved.  It is also known as client side dynamic web ii) dynamic web document i) Static web document