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Computer Fundamentals - Engineering

Q1:

What is the name given to the specialized storage element in the processor unit of a computer which is used as a "scratch pad" during processing operations?

A storage register

B primary memory

C cache memory

D accumulator

E None of the above

ANS:C - cache memory

Scratchpad memory (SPM), also known as scratchpad, scratchpad RAM or local store in computer terminology, is a high-speed internal memory used for temporary storage of calculations, data, and other work in progress. In reference to a microprocessor ("CPU"), scratchpad refers to a special high-speed memory circuit used to hold small items of data for rapid retrieval. It is similar the usage and size of a scratchpad in life: a pad of paper for preliminary notes or sketches or writings, etc.