secondary storage

secondary storage

1. optical storage

   • CD/DVDs
   • blue ray
   • disadvantages
     • has limited storage and is also not durible
   • advantages
     • cost efffective and it also is very portable
     • it is portable which means it is easily the storage devise can be used on other devices

2. secondary storage is non volatile storage which stores data permanently

   • non volatile which means that the data is not deleted whilst the computer system has no power to it

3. solid state (flash) storage

   • advantages
     • It has a faster read/write speed compared to magnetic storage.therefore it will load programs and files much quicker
   • disadvantages
     • less cost effective compared to magnetic storage because it has a much smaller capacity.
   • USB drive
   • memory stick

4. magnetic storage

   • advantages
     • cost effective due to having a larger capacity than solid state
   • hard drive
   • floppy disk
   • disadvantage
     • not durible due to moving parts and its read write data is slower in comparison to solid state