Secondary Storage

Secondary Storage

1. What is secondary storage

   • Non-volatile disk space
   • Sometimes called auxiliary memory
   • Used to store files such as photos, program files and any other long term program.

2. Types of secondary storage

   • Optical disks
     • CD, DVD and Blu-ray disks are types of this storage
     • They are portable and easy to use
     • But they can break easily.
   • Hard disks
   • Tape storage
     • Used by big company's

3. Why do we need secondary storage

   • For additional storage for when the computer is turned off.