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

2. solid state (flash) storage

   • Playstation memory card
   • solid state hard drive
   • USB flash drive
   • excellent read/write speed.(It loads and saves data quickly)
   • Not good compared to magnetic storage

3. Optical storage

   • Blu Ray
   • DVD
   • CD
   • really portable and can be played on lots of devices
   • No very durable. They can scratch easily and break easily.

4. Magnetic storage

   • high capacity (stores a lot of data)
   • slower read/write speed in comparison to solid state storage
   • magnetic hard drive
   • external hard drive