ISC Exam Questions

What type of memory is used often for CPU registers?

What type of memory is used often for CPU registers?

A.
DRAM

B.
Firmware

C.
ROM

D.
SRAM

Explanation:
Answer D is correct; SRAM (Static Random Access Memory is fast and expensive, often used for cache memory including CPU registers).

Incorrect Answers and Explanations: A, B, and C: Answers A, B, and C are incorrect. DRAM is slower and less expensive than SRAM, often used as main RAM. Firmware is a technology used by PLDs such as EEPROMs. Read-Only Memory is a type of Firmware, providing nonvolatile memory for uses such as the BIOS.