Networks

Networks

1. Top level domains

   • .com
     • commercial
   • .gov
     • government site
   • .sch
     • school site
   • the part of a domain that comes after the dot
   • .net
     • network
   • .org
     • organisation
   • .edu
     • education
   • countries
     • .uk
     • .es
     • .fr
     • .de
     • .nz

2. World Wide Web

   • collector of web pages
   • URL
     • Uniform Resource Locator
     • web address
       • all web addresses are unique
   • no owner
   • accessed via the internet
   • no central storage
   • stored on computers all over the world

3. Internet

   • a group of inter-connected networks
   • http
     • HyperText Transfer Protocol
       • rules used by the servers and web browsers to exchange information

4. IP address