Secondary Storage

Secondary Storage

1. secondary storage stores data permanently no matter whether the computer is on or not

2. optical storage

   • example 1
     • CD
   • example 2
     • DVD
   • advantages
     • has a higher capacity compared to magnetic storage therefore it can store more files and applications.
   • disadvantages
     • low storage capacity compared to solid state

3. solid state

   • example 2
     • SD card
   • example 1
     • USB stick
   • (advantages) has a faster read write speed than magnetic therefore it can load programs faster than magnetic
   • disadvantages
     • has less storage than magnetic storage therefore it cannot store as many files
   • advantages

4. magnetic