Year 8 Revision

Year 8 Revision

1. Networks

   • LAN/WAN/WPAN
     • LAN:local area network
     • WAN: wide area network
     • WPAN: wireless personal area network
   • Connection Types
     • Ethernet
     • WiFi
     • GPRS
     • Bluetooth
       • it helps to devices connect together
   • Network Security (FAPE)
     • passwords
       • a password should include the following:an alpha and numeric mix and should be at least 8 characters long
     • fire wall
       • it stops hackers from getting in

2. Hardware

   • CPU
     • central processing unit
   • Secondary Storage
     • optical
       • this is a CD/DVD This is easier to travel with
     • solid state
       • this has no moving parts
     • magnetic
       • this has moving parts
   • RAM
     • random access memory