I'm pretty sure the answer is b
Answer:
Hard disk drives (HDD), which use one or more rotating discs and rely on magnetic storage, and solid-state drives (SSD), which have no moving mechanical parts, but use flash memory like the kind found in USB flash drives.
Explanation:
Ask someone who knows about this stuff this is weird I would say look it up maybe
Zeros and ones
Hope the helps
Godspeed
