Question:
Which of the following is non-volatile storage?
Which of the following is non-volatile storage?
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RAM & Cache = Volatile (Fast, temporary).
ROM, HDD, SSD, Flash = Non-volatile (Permanent, retains data).
ROM, HDD, SSD, Flash = Non-volatile (Permanent, retains data).
Updated On: Sep 4, 2026
- Backup
- Secondary
- Primary
- Cache
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Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept:
Computer memory is broadly classified into volatile memory (which loses its stored contents when power is turned off) and non-volatile memory (which retains data permanently without continuous electrical power).
Step 2: Detailed Explanation:
Primary memory (RAM) and Cache memory are semiconductor memories that are volatile and lose data immediately upon power disconnection.
Secondary storage devices (such as magnetic hard disk drives, solid-state drives, optical discs, and flash memory) retain stored information even when the computer system is powered off.
Therefore, secondary memory is inherently non-volatile storage.
Step 3: Final Answer:
Hence, secondary storage is non-volatile storage, which corresponds to option (B).
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