secondary storage

secondary storage

1. Solid state

   • solid state hard drive
     • Playstaion memery card
       • USB memery stick
     • solid state flash storage
   • Excellent read and write speed. It loads and saves data quickly
     • Not good capacty compared to magnetic state

2. magnetic state

   • exsternel hard drive
     • high compacty
   • magnetic hard drive
   • Slower read/write speed in comparison to solid state hard drive

3. It is non-volital and is needed to store prgrames, operating systams and fiels when your computer is tuned off.

   • Non-volatile means that the data is not deleted when the computer system has no power connected to it.

4. optical drive

   • disks can scratch and break
   • DVD
   • CD
   • Blu-ray
   • Very portable and can be played on lots of devices