World Wide Web(WWW):-

World Wide Web is a deposit of large number of interlinked web pages.
The web pages interlinked with the help of hyper links and the browser required to access these web pages.
Browser is a software which defined as application layer.
A web page consist of head and body.

Browser consist of three components

1) Controller:- That is a keyboard and mouse to enter the data in the client program.

2) Client Program:- Client Program is a type of window which displays the information.

3) Interpreter:- It is a software to display the information according to the screen size and resolution.

Types of Web pages:-

1) Static/fixed

2) Dynamic/Server site.

3) Active/Client site.

1) Static web pages:-

These are the documents which created in HTML and have fixed content for example home pages.
These web pages linked with one another through pointer.
These are on demand Web pages which designed on the request of client by the server.
Example:- Retrieval date and time.

2) Dynamic/Server site:-

3) Active/Client site:-

These are certain programs which downloaded by user but can only open after permission of user.
Example:- Downloaded games, Downloaded Software etc.
These were designed by use of Java, Java script, Java applets.