Which one of the following would not be considered as a form of secondary storage ?

[ A ]    optical disk
[ B ]    floppy disk
[ C ]    RAM
[ D ]    hard disk
[ E ]    flash drive right
Answer : Option E
Explanation :
Secondary storage, sometimes called auxiliary or external storage, is non-volatile storage that is not under the direct control of a computer's central processing unit (CPU) or does not directly interact with an application. External hard drives, portable USB flash drives, CDs, DVDs and cloud backup are often used for secondary storage.