secondary storage

secondary storage

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

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

2. optical drive

   • cd/blue ray/ dvd
   • really portable and can be played on lots of devices
   • they can break quit easily

3. magnetic storage

   • external hard drive
   • magnetic hard drive
     • slower read/write.
   • high capacity (stores a lot of data

4. solid state (flash) storage

   • playstation memory card
   • USB memory stick
   • excellent read/write speed
   • not good capacity
   • excellent read/write speed.
   • not good capacity

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