storage devices

storage devices

1. optical

   • a small capacity
   • the price per gig
   • it has very bad reliabilitys

2. magnetic

   • not good portability
   • advanteges
     • got a lot of storage
       • the price
     • the speed

3. solid state

   • easy to move
   • its small
   • it has a reasonably size of memory
   • it is very reliable beacuse of its size
   • portability
     • it is very portable beacuse of its size
   • reliabilty
     • it is very reliability because it has no moving parts