MCQ Practice Question

Which memory technology normally requires periodic refresh because information is stored as charge on capacitors?

  • ASRAM
  • BDRAM
  • CMask ROM
  • DEEPROM
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Correct Answer: B. DRAM
Explanation: A DRAM cell stores data as capacitor charge that leaks with time, so rows must be periodically refreshed.
Reference: Standard digital electronics: DRAM refresh
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