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Which of the following memories needs refresh

This question belongs to Computer Fundamentals Computer Fundamental Miscellaneous
Computer Fundamental Miscellaneous
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Which of the following memories needs refresh?

Answer & Solution
Correct Answer: Option B
A DRAM cell is composed of an access transistor and a capacitor. Data is stored in the capacitor as electrical charge, but electrical charge leaks over time. Therefore, DRAM must be refreshed periodically to preserve the stored data.
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