Which of the following is Non-volatile memory? RAM, ROM, PROM

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Which of the following is Non-volatile memory? RAM, ROM, PROM Answer: Both B and C

Both ROM and PROM retain their stored data even when the computer system power is switched off.

Question context

This question is part of 💻 Computing within the broader 💾 Computer Science subject and appears in the CTS – Candidate Testing Service preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.