Which of the following is not used as secondary storage
A
Semiconductor memory
B
Magnetic disks
C
Magnetic drums
D
Magnetic tapes
E
None of the above
Correct Answer: Semiconductor memory
Semiconductor memory is a digital electronic semiconductor device used for digital data storage, such as computer memory. For these reasons it is used for primary storage, to hold the program and data the computer is currently working on, among other uses.