The part of the CPU that instructs the bus unit to read instructions stored at a certain memory address is known as the
A)bus device.
B)prefetch unit.
C)decode unit.
D)writeback.

Question

Quizplus · Accepted Answer

The prefetch unit is responsible for fetching instructions from memory and passing them to the decode unit. It instructs the bus unit to read instructions stored at a certain memory address. Therefore, option B is the correct choice. The other options are not relevant to this function of the CPU.

The Part of the CPU That Instructs the Bus Unit