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

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

3. Optical storage

   • Blu Ray
   • DVD
   • CD
   • Really portable and can be played on lots of devices
   • Not very durable. They can scratch and break easy

4. Solid state storage

   • Playstation memory card
   • USB memory stick
   • Amazing read/write speed. (Loads and saves data quickly)
   • Solid state hard drive
   • Not good capacity compared to magnetic storage

5. Magnetic storage

   • External hard drive
   • Magnetic hard drive
   • Slower read/write speed in comparison to solid state storage
   • High capacity (stores a lot of data)