The Internet

The Internet

1. A group of inter-connected networks

2. World Wide Web

   • Collection of Web pages
   • No owner
   • No central storage
   • Accessed via the internet
   • Stored on computers all over the world

3. URL (Uniform Resource Locator)

   • A URL is a web address
   • All web addresses are unique

4. Domain names

   • Top Level Domain names
     • .uk
     • .org
     • .fr
     • .com
     • .gov
     • .edu
     • .de
     • .cz
     • .es

5. HTTP

   • Hypertext transfer protocol
   • protocol is a set of rules
     • if everyone follows the same set of rules, everything works
   • HTTP defines rules used by web browsers and servers to exchange information

6. Data Packets

   • Data transmitted over the internet is broken down into smaller chunks or packets to be sent