Which of the following memories/storage are volatile?

1.RAM

2.ROM

3.Cache

4.SSD

5.HDD

A1, 3 & 4 only

B2, 4 & 5 only

C1 & 3 only ✓ Correct

D1 & 2 only

Correct answer: (C) 1 & 3 only

Explanation

RAM and Cache are volatile, losing their contents once the power is switched off.

RAM temporarily stores running programs and data and clears on shutdown.

Cache is fast volatile memory holding frequently accessed data near the processor.

ROM is non-volatile and retains its stored instructions without power.

SSD is non-volatile flash storage that keeps data after power off.

HDD is non-volatile magnetic storage that also retains data permanently.

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