engineering computer science MCQ #21

What is the primary function of the Instruction Register (IR) in the CPU?

engineering computer science MCQ #21

  1. Question 1

    Q1. What is the primary function of the Instruction Register (IR) in the CPU?

    • A) To store the program counter
    • B) To store the current instruction being executed
    • C) To store the data being processed
    • D) To store the flags

    Answer: To store the current instruction being executed

    Explanation: IR holds the current instruction, decoding it for execution. It is a crucial register in the CPU's control unit.