Secondary Storage

Secondary Storage

1. MAGNETIC STORAGE

   • HARD DRIVE

2. OPTICAL STORAGE

   • dvd
     • RAM
       • CD

3. SOLID STATE

   • USB
     • CD CARD

4. A storage device is a piece of computer hardware used for saving, carrying and pulling out data. It can keep and retain information short-term or long-term. It can be a device inside or outside a computer or server. Other terms for storage device is storage medium or storage media.

5. Mass storage capacity (on the order of gigabytes) Mountable/unmountable storage units. Low cost per bit of storage. Long media life. High data stability.

   • advantages of optical and magnetic storage