storage devices

storage devices

1. optical

   • advantages
     • portable
     • cheap
     • can be used in a variety of devices
   • disadvantages
     • easily scratched
     • lower capacity than magnetic
   • examples
     • CDs
     • DVDs
     • Blu-rays

2. magnetic

   • advantages
     • more cost effective than solid state
     • higher capacity than optical
   • disadvantages
     • less durable than solid state
   • examples
     • hard disk

3. solid state

   • advantages
     • high read write speed
     • more durable than magnetic
     • energy efficient
   • disadvantages
     • not cost effective as magnetic
   • examples
     • phones
     • tablets
     • USB sticks