networks

networks

1. ADVANTAGES

   • your files are available on any computer you use , within the network
   • evrything is stored in one place
   • you can print using it

2. DISADVANTAGES

   • expensive , extra hardware and wiring needed
   • difficult , it requieres a technical expertice
   • viruses spread easiar
     • easiar to hack
   • catastrophic failure

3. TYPES OF NETWORK

   • topology
     • bus
       • CONNECTED TO ONE CENTRAL LINE
     • HOW A NETWORK IS LAYED OUT
   • ring
     • advantages
       • no collisions , its a one way system
       • cheap
     • disadvantages
       • data leaks possible
     • WHERE EVERY COMPUTER IS CONNECTED
   • star
     • disadvantages
       • very expensive
       • too reliant on the switch
     • advantages
       • no crashes
     • CONNECTED TO ONE CENTRAL COMPUTER
   • IP ADRESS
     • LOCATE SOMETHING
   • WAN
     • LAN
       • A NETWORK CONTAINED IN A SINGLE GEOGRAPHICAL LOCATION
       • LOCAL AREA NETWORK
     • A WIDE AREA NETWORK

4. IP ADRESS

   • a unique value assigned to every computer on a network

5. internet

   • The internet is a huge network with more devices than its possible to assign a unique adress to
   • a way of socialising