engineering computer science MCQ #84

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

engineering computer science MCQ #84

  1. Question 1

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

    • A) To store the address of the next instruction
    • B) To store the current instruction being executed
    • C) To store the result of an instruction
    • D) To store the address of the data

    Answer: To store the current instruction being executed

    Explanation: The Instruction Register (IR) holds the current instruction being executed, allowing the CPU to decode and execute it. It stores the opcode and operands.