scratch-pad memory

scratch-pad memory

[′skrach ‚pad ‚mem·rē]
(computer science)
A very fast intermediate storage (in the form of flip-flop register or semiconductor memory) which often supplements main core memory.
References in periodicals archive ?
Other basic system functions that are needed for a computer, such as an arithmetic logic unit (ALU) and scratch-pad memory registers, are also included on the processor chip.
Much of the information stored in the file's scratch-pad memory is identical to the information found in the disk directory; that is, it includes, the filename, size, file attributes, the date, for example, as well as the information needed to read and write to the disk.