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Memory Systems by David Wang, Spencer Ng, Bruce Jacob

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CHAPTER 30

Memory Errors and Error Correction

Computers are used for work, entertainment, information distribution, financial services, and numerous other tasks. Different applications exhibit different tolerances for the integrity of the data being processed: for example, a floating -point error in a bank account record is not considered acceptable, whereas a handful of odd-colored pixels in the middle of a video stream might go completely unnoticed by the user and have no effect at all. In data-critical applications such as financial databases or electronic commerce, it is imperative that the data’s integrity be assured; otherwise, information can become corrupted silently and propagated widely. Accordingly, server systems used in data-critical ...

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