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Dynamic Random Access Memory contents need to be continuously refreshed. When its contents are being refreshed, memory can not be read from nor write to. Another point to note is that DRAM is cheap to manufacture (This could be the only advantage it has to SRAM).Where as in Static Random Access Memory, memory need not to be continuosly refreshed and therefore memory can be accessed at any time. SRAM is expensive to manufacture.

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What adventage does dram have over sram?

DRAM has a lower price. Further details below:


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What is the difference between DRAM and SRAM in terms of characterstics such as size?

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