computing

computing

1. networks

   • LAN's
     • covers a small geographical area
     • used in schools or homes
   • WAN's
     • covers a wide geographical are
     • would be used in large areas E.G. the internet

2. network hardware

   • switch's
     • connect devices on a LAN
   • router
     • transmits data between networks
   • network interface card
     • allows the device to connect to a network
   • wires
     • ethernet
       • used to connect device's TO A lan
     • coaxial
       • connects areal devices
     • fiber optic
       • transfers data as light to ovoid interferance

3. servers

   • peer to peer
     • all devices at equal status like home wifi
   • client server
     • all clients are depemdant on a central server like school