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dram refresh

dram refresh in Technology
storage
The operation which cycles through a DRAM reading each row and writing it back again to compensate for the gradual leakage of charge from the capacitors which store the data. This may be done by the CPU but is often done by a dedicated memory controller.
(1997-02-23)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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