MCQ Practice Question

DRAM requires periodic refresh mainly because each bit is stored as?

  • ACharge on a capacitor
  • BA permanent fuse state
  • CA mechanical switch position
  • DA magnetic core only
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Correct Answer: A. Charge on a capacitor
Explanation: DRAM cells store information as electrical charge on capacitors, and leakage requires periodic refreshing.
Reference: Standard digital electronics: DRAM
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