computer science

computer science

1. LAN

   • Only used in small geographical areas like schools and hospitals
   • These may be used in small offices by organizations so thet employees can work
   • Local Area Network
   • Ethernet cables connect them togethert

2. WAN

   • Used by telecommunication companies like Sky or BT
   • Used in large geographical areas
   • Connects LANs
   • connect using fibre optic cables

3. Hardware

   • Network interface controllers allow devices to connect to a network.
     • Switches connect a device to a LAN
   • Routers transmit data between networks