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|Noun||1.||memory cache - (computer science) RAM memory that is set aside as a specialized buffer storage that is continually updated; used to optimize data transfers between system elements with different characteristics|
buffer storage, buffer store, buffer - (computer science) a part of RAM used for temporary storage of data that is waiting to be sent to a device; used to compensate for differences in the rate of flow of data between components of a computer system
disk cache - a cache that stores copies of frequently used disk sectors in random access memory (RAM) so they can be read without accessing the slower disk