Clerk Certification Level II Practice Test

Which component stores data long-term on a computer?

RAM ROM Hard drive Cache

Correct Answer:

Hard drive

Explanation:

Long-term data storage relies on non-volatile storage—the kind that keeps data when the computer is powered off. RAM and cache are volatile; they hold data only while the system is on and active, so their contents disappear when power is lost. ROM is non-volatile as well, but it typically stores firmware and isn’t used for regular data storage. The hard drive’s primary purpose is to store large amounts of data permanently, preserving files, programs, and the operating system even when the computer is turned off. That’s why it’s the component that stores data long-term.

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