computer systems and hardware

computer systems and hardware

1. storage devices

   • optical
     • e.g xbox games,bluray DVD
   • magnetic
     • desktop pcs laptops
   • solid state
     • phones, hand held devices

2. internal devices

   • conponents inside a device
   • CPU

3. external device

   • plugins outside the device
   • wired xbox controller

4. Central processing unit

   • CPU
     • sends instructions telling things what to do
       • fetch decode execute cycle

5. password

   • alpha numeric mix
     • 8 characters mininum
       • numbers and letters
   • cloud computing
     • anywhere with internet
       • free 15gb
   • file structure
     • organising files so they are easier to find
     • folders
       • were files are stored
         • subfolder
           • folder in a folder