Multiple choice general knowledge science & technology

Which one of these is needs Refreshing of charge?

  1. DRAM

  2. SRAM

  3. PROM

  4. EPROM
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

DRAM (Dynamic Random Access Memory) requires periodic refreshing because it uses capacitors that leak charge over time. SRAM uses flip-flops and doesn't need refreshing. PROM and EPROM are types of ROM that don't require refreshing.

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