HTML

HTML

WWW (World Wide Web)
1. A huge collection of websites we can access on the internet
  1. Each website contains web pages which are navigated to via hyperlinks
    1. Each contain different information
  2. Web browser is a software used to access or request for information.
2. They are stored on web servers all over the world, there are no central storage servers
3. It enables the retrieval of text and media to your computer.
  1. This system would allow others to link their documents together to create a web of interconnected documents.
What happens when I view a web page
1. Your computer
  1. Your ISP
    1. Internet
      1. Website host/server
        A web server is server software, or hardware dedicated to running said software.
      2. A global computer network providing a variety of information and communication facilities, which has many interconnected networks.
    2. (Internet Server Provider) - An Internet service provider is an organization that provides services for accessing the Internet.
HOW IT WORKS
1. Start
  1. Enter URL into browser
    1. Browser requests IP address of site from ISP
      1. 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
Abbreviations and meanings
1. URL
  1. The address of a worldwide page
2. IP address
  1. An Internet Protocol address is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.
3. ISP
  1. Internet service provider
4. DNS server
  1. The Domain Name System is a naming system for computers, services, or other resources connected to the Internet or a private network.
Hyper Text Markup Language
Internet created by Tim Burners-Lee
Codes
1. <br>
  1. Breaks the text
2. <p>
  1. A paragraph starts and ends

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	Created by Mia Govoruha about 5 years ago