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    Question

    Which of these are special-purpose registers in a

    CPU?  
    A Program Counter (PC) Correct Answer Incorrect Answer
    B Stack Pointer (SP) Correct Answer Incorrect Answer
    C Instruction Register (IR) Correct Answer Incorrect Answer
    D Memory Address Register (MAR) Correct Answer Incorrect Answer
    E All of the above Correct Answer Incorrect Answer

    Solution

    Registers like the Program Counter (PC), Stack Pointer (SP), Instruction Register, and Memory Address Register are special-purpose registers used in the CPU for various tasks.  

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