Question

11. Which of the following is secondary storage device
a) RAM
b) Hard Disk
c) ROM
d) None of these​

Answer 1

Hard disk

RAM and ROM are primary storage device

Answer 2

Answer:

$\huge \colorbox{purple}{Answer}$

$\tt \red{b) Hard \: Disk}$

Disk is a secondary memory device. It cannot be processed directly by the CPU. It must first be copied into primary storage (also known as RAM).