network

network

1. Advantages

   • share files
     • so the same files are available whichever computer you use
   • share resources
     • such as printers and the internet connection
   • share logins
     • so you can use the same username and password

2. Types of network

   • LAN
     • local area-small area
   • WAN
     • wide area-large area

3. disadvantages

   • cost
     • networks are expensive to set up
   • increased risk
     • problems such as a virus can affect every computer on the network
   • difficalty
     • expertise is needed to set up a network

4. topologies

   • ring
     • no collions
     • high chance of failure
   • bus
     • cheap
     • slow as more computers added
   • star
     • cheap
     • difficult to expand

5. IP addresses

   • A unique value assigned to every computer on a network used to identify it
   • unique addresses assigned to houses and businesses
     • they run their own mini network with different IP addresses

6. internet

   • The word is made up of the words interconnected network
   • a cost is a assigned connection in a mesh
   • a packet is where you send a little bit of information to the other computer at a time they get numbers so they can join back at the end