network1

network1

1. advantages

   • you can print from anywhere/devices
     • access to any file
       • you can use any computer
         • same password on every device

2. disadvantages

   • more expensive
     • there is more room for error
       • difficult to remove virus

3. LAN

   • local area network
     • geographical location of organisation

4. wan

   • wide area network
     • geographical area or multiple organisation

5. IP address

   • IP address cam have from 0 upto 255
     • the internet is a huge network to give every device a IP address
       • bussiness and houses run there own mini network inside with a different IP address
       • we got around this by assigning and 'external' IP address
         • each house and bussiness is then 'internal' IP address to the computers

6. the internet

   • the internet is a giant mesh of computers
     • the data is split into small chuncks called packets
     • each packet is sent along the lowest cost
       • the packets getre-assembled