the internet

the internet

1. what is the internet?

   • A group of inter-connected networks

2. what is the WWW?

   • A collection of websites strung together.

3. parts of a web address www.abc.co.uk/images/logo.jpg :

   • WWW= hosted on the world wide web
   • abc= name of the organisation
   • .co= a company
   • .uk= UK based
   • images= folder location
   • logo.jpg= file name on the site

4. domain names

   • .uk= United Kingdom
   • .fr= France
   • .es= Spain
   • .de= Germany
   • .cz= Czech Republic
   • .com= company
   • .org= organisation
   • .gov= government
   • .edu= education
   • .in= India

5. what is HTTP?

   • Hyper Text Transfer Protocol

6. what is URL?

   • Uniform Resource Locator

7. how is a message sent around the world in a fraction of a second?

   • through deep sea cables
     • • 6= copper or aluminium tube
       • 4= aluminium water barrier
       • 7= petroleum jelly
       • 8= optical fibres
       • 5= polycarbonate
       • 3= stranded steel wires
       • 2= mylar tape
       • 1= polyethylene

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