Subject

    Computer Science

    Topic

    Computer Hardware

    What does CPI stand for in computer performance measurement?

    a)
    Computer Performance Index
    b)
    Cycles Per Instruction
    c)
    CPU Processing Interval
    d)
    Cache Performance Indicator

    Explanation

    CPI is the average number of clock cycles required to execute one instruction for a given processor. A lower CPI value indicates a more efficient processor design, as it can accomplish more work in fewer clock cycles. Total CPU time can be calculated as (Instruction Count * CPI) / Clock Rate.

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