secondary storage

secondary storage

1. solid state

   • not as much capacity compared to magnetic storage
   • uses microchips to store data instead of magnetised disks and does not contain any moving parts

2. magnetic

   • magnetic because they don't have moving parts
   • data is stored by magnetising the surface of flat circular plates called platters.

3. optical

   • example cd blu ray and dvd

4. devices witch store data permantly

   • secondary storage is non volatile storage which stores data permanently