DRAM, a common type of RAM, stands for:

DRAM stands for Dynamic Random Access Memory. It's called 'dynamic' because each memory cell needs to be periodically 'refreshed' (its stored charge re-written) many times every second, or else the stored data would fade away and be lost -- this refreshing requirement is exactly what distinguishes it from static RAM, which does not need this constant refreshing.

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Computer Science :: Computer Fundamentals :: Primary Memory (RAM/ROM)

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Computer Science :: Computer Fundamentals :: Primary Memory (RAM/ROM)

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