secondary storage

secondary storage

1. it's non-volitile storage . it is needed in a computer system to store your programs, operating system and files.

   • Non-volatile means that when the computer system has no power to connect to it

2. solad state (flash) storage

   • USB memory stick
   • solad state hard drive
   • playstation memory card
   • Excellent read/ write speed (it lodes and saves data quickly)
   • not good capasity compered to magnetic storage

3. magnetic storage

   • External hard drive
   • Magnetic hard drive
   • High capacity (stores a lot of data)
   • slower read/write speed in comparisn to solid stae storge

4. Optical storge

   • CD
   • blu-ray
   • DVD
   • realy portable and can be played on lots of devises
   • not vary derable can scratch and brake easly