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DRAM (Dynamic Random Access Memory) - Definition

DRAM is an abbreviation for Dynamic Random Access Memory. It is a form of memory storage in which each bit of information is stored in a capacitor. The electron charge of the capacitor, one of many in a square array, defines the bit therein as a zero or one. The data storage is described as dynamic because it must be recharged from time to time. Otherwise, a capacitor will leak electrons, and that could change the meaning of that capacitor's bit. There is also a form of memory storage called Static Random Access Memory (SRAM). SRAM can retain its information so long as continual power is received. Unlike DRAM, SRAM becomes volatile and loses its stored information when de-electrified.


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