Which of the following storage devices has no physical moving parts whatsoever?
A. Floppy Disk Drive
B. Hard Disk Drive
C. USB Flash Drive
D. DVD-ROM Drive
Answer: Option C
Solution (By JKSSB Mock Tests)
USB flash drives are built using solid-state semiconductor integrated circuits, meaning they contain no motors, spin platters, or mechanical components.
Explanation:
The memory hierarchy from fastest to slowest is typically: Registers (fastest), then Cache, then RAM (main memory), then secondary storage like Hard disk (slowest).
Explanation:
Tertiary storage systems, like automated tape libraries, use robotic mechanisms to mount and dismount removable media cartridges for massive corporate data archiving.
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