The ________ holds the address of the next instruction to be fetched.
A)IR
B)PC
C)MAR
D)MBR

Question

Quizplus · Accepted Answer

This is because the Program Counter (PC) holds the address of the next instruction to be fetched, and is incremented after each instruction is executed, in order to point to the next instruction in sequence. The Instruction Register (IR) holds the current instruction being executed, while the Memory Address Register (MAR) holds the memory address where data is to be read or written, and the Memory Buffer Register (MBR) holds data being read from or written to memory.

The ________ Holds the Address of the Next Instruction to Be