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Question

What is the primary reason DRAM needs to be refreshed periodically?

This question was previously asked in
SSC CGL 2024 (Tier-I) Previous Year Paper (17-Sep-2024) (Shift 3)
The correct answer is

To recharge the capacitors storing data bits

DRAM (Dynamic Random Access Memory) uses capacitors to store data. These capacitors leak charge over time, causing data loss. Refreshing periodically recharges these capacitors, preventing data corruption.

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