Want to become a web developer from scratch!!!
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Today we are going to learn the difference between INTERNET and WWW:
The expansion of Internet is INTERconnected NETwork. The Internet is a giant network of
networks. A network may include PCs, and other devices like servers or
printers. A network is connected through a communication channel like coaxial
cable, Optical Fiber, air.
The World Wide Web (WWW or Web) was discovered in 1989 Tim Berners-Lee created a set of
technologies that allowed information on
the Internet to be linked together through the use of links, or connections in
documents.
Keep in mind that Internet act like a hardware and WWW acts as a Software.
Keep in mind that Internet act like a hardware and WWW acts as a Software.
The concept of the WWW combines 4 ideas:
- hypertext (a text that contains another text) - Term “Hypertext” was coined by Ted Nelson in 1963.
- resource identiļ¬ers (URI, URL) Uniform Resource Locator e.g.: http://www.google.com
- client-server model of computing (web servers/browsers)
- markup language (HTML) (A language that contains tags e.g.,<body>,<a>etc.,)
 |
| The Client-Server Architecture of the Internet |
Tasks on Day1:
Find what is URN? How it is different fom URL.
Write 4 example URL e.g.: http://www.google.com?
In the above diagam which acts as the client on the Internet either web server or web browser? Justify your Answer.
