HTML

HTML

1. WWW (World Wide Web)

   • A huge collection of websites we can access on the internet
     • Each website contains web pages which are navigated to via hyperlinks
       • Each contain different information
     • Web browser is a software used to access or request for information.
   • They are stored on web servers all over the world, there are no central storage servers
   • It enables the retrieval of text and media to your computer.
     • This system would allow others to link their documents together to create a web of interconnected documents.

2. What happens when I view a web page

   • Your computer
     • Your ISP
       • Internet
         • Website host/server
           • A web server is server software, or hardware dedicated to running said software.
         • A global computer network providing a variety of information and communication facilities, which has many interconnected networks.
       • (Internet Server Provider) - An Internet service provider is an organization that provides services for accessing the Internet.

3. HOW IT WORKS

   • Start
     • Enter URL into browser
       • Browser requests IP address of site from ISP
         • ISP requests IP address from DNS server
           • DNS responds with details of the name server
             • ISP asks name server for site IP address
               • Name server responds with IP address of the host
                 • ISP sends IP address to the browser
                   • Browser sends request to the server hosting the site
                     • End

4. Abbreviations and meanings

   • URL
     • The address of a worldwide page
   • IP address
     • An Internet Protocol address is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.
   • ISP
     • Internet service provider
   • DNS server
     • The Domain Name System is a naming system for computers, services, or other resources connected to the Internet or a private network.

5. Hyper Text Markup Language

6. Internet created by Tim Burners-Lee

7. Codes

   • <br>
     • Breaks the text
   • <p>
     • A paragraph starts and ends