Which of the following are used to quickly accept, store, and transfer data and instructions that are being used immediately by the CPU?

A microprocessors
B registers
C ROM chips
D data buses
E None of the above

Correct Answer: registers

Registers : In computer architecture, a processor register is a quickly accessible location available to a computer's central processing unit. Registers usually consist of a small amount of fast storage, although some registers have specific hardware functions, and may be read-only or write-only.
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