secondary storage

secondary storage

1. magnetic

   • disadvantages
     • easy breakable
     • bad for portabalitiy
   • advantages
     • lots of storage
   • HARD DRIVE

2. optical

   • disadvantges
     • sharp
       • not used much anymore
         • dvd cd
   • advantages
     • small
       • portable
         • easy use

3. solid state

   • advantages
     • loads fast
       • portable
         • usb,memory stick
   • disadvantages
     • might lose
       • less fast

4. purpose

   • why do we use storage devices