secondary storage

secondary storage

1. portable

   • optical disk
     • very cheap
     • fragile
     • slow
     • used by game console
   • usb memory stick
     • uses similar technology to SSD
     • very durable
     • small and light
     • not as reliable
     • used to transfer files between computers
   • memory card
     • same technology as USB stick, but without the connectors
     • used in portable devices like cameras store photos and videos
     • very small and flat
   • optical disk (CD, DVD, BluRay)
     • portable
     • very cheap
     • slow
     • bulky