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    Question

    The important unit of a microprocessor is –

    A ALU Correct Answer Incorrect Answer
    B array of registers Correct Answer Incorrect Answer
    C control unit Correct Answer Incorrect Answer
    D All of the above Correct Answer Incorrect Answer

    Solution

    The basic units or blocks of a microprocessor are ALU, an array of registers and control unit. A minimal hypothetical microprocessor might only include an arithmetic logic unit (ALU) and a control logic section. Each operation of the ALU sets one or more flags in a status register, which indicate the results of the last operation (zero value, negative number, overflow or others).

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