STORAGE

STORAGE

1. solid states

   • examples
     • hard disc
     • memory stick
     • flash memory
     • micro flash memory
   • disadvantages
     • they are more expansive then other hard drives
   • advantages
     • faster seek time-upto 60x fast then HHD

2. magnetic

   • disadvantages
     • accessing data is very slow
   • examples
     • magnetic tape
     • floppy disks
     • hard disks drives
   • advantages
     • it is really cheap
     • the data is protected

3. optical

   • examples
     • cds dvds and blu rays
       • projector
       • stereoscope
       • biprism
   • disadvantages
     • it stops you from using the device again
       • THE worm
         • the write-once-read-many
   • advantages
     • with proper care it can last a long time
       • optical media can be used on any devises including PC