scratchpad
Noun
Meaning
(computer science) a high-speed internal memory used for temporary storage of preliminary information
Source: WordNetSynonyms
block
buffer
diary
pad
tablet
notebook
notepad
jotter
stationery
clipboard
sketchpad
writing pad
scratch paper
sketch pad
ablet
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Hypernyms
Examples
Accumulators dramatically improve performance in systems like these by providing a scratchpad area where the results of one operation can be fed to the next one for little or no performance penalty.
It derives from the intuition of " memory " as a scratchpad.