In a computer, which of the following is the longest period？A．Beat periodB．Machine periodC．Instruction periodD．CPU period

题目

In a computer, which of the following is the longest period？

A．Beat period

B．Machine period

C．Instruction period

D．CPU period

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更多“In a computer, which of the following is the longest period?A.Beat periodB.Machine periodC ”相关问题

  • 第1题：

    In the article, the word “course” in paragraph1, line 4, is closest in meaning to:

    A. class

    B. period

    C. program

    D. direction

    答案：B
    解析：

  • 第2题：

    8、基于initial语句产生普通时钟信号， parameter clk_period = 10; reg clk; initial begin clk = 0; ________________; end

    A．always #(clk_period/2) clk = ~clk

    B．forever #(clk_period/2) clk = ~clk

    C．always #(clk_period) clk = ~clk

    D．forever #(clk_period) clk = ~clk


    always #(clk_period/2) clk = ~clk;forever #(clk_period/2) clk = ~clk

  • 第3题：

    在端口PHI1创建时钟周期为10，上升在5.0，下降在9.5

    A．create_clock “PHI1” –period 10 –waveform {5.0 9.5}

    B．create_clock “PHI1” period 10 –waveform {5.0 9.5}

    C．create_clock “PHI1” period 10 waveform {5.0 9.5}

    D．create_clock “PHI1” –period 10 –waveform {1 2}


    create_clock “PHI1” –period 10 –waveform {5.0 9.5}

  • 第4题：

    Of the reptile groups,the snake group was the final one to appear.

    A:last
    B:best
    C:ugliest
    D:longest

    答案：A
    解析：
    本句意思：蛇类是爬行动物中最晚出现的。final最终的，最后的。last最后的；best最好的；ugliest最丑的；longest最长的。

  • 第5题：

    基于initial语句产生普通时钟信号， parameter clk_period = 10; reg clk; initial begin clk = 0; ________________; end

    A．always #(clk_period/2) clk = ~clk

    B．forever #(clk_period/2) clk = ~clk

    C．always #(clk_period) clk = ~clk

    D．forever #(clk_period) clk = ~clk


    always #(clk_period/2) clk = ~clk;forever #(clk_period/2) clk = ~clk

  • 第6题：

    以下关于VDB函数的语法正确的是（）。

    A．VDB（cost，salvage，life，period，factor）

    B．VDB（cost，salvage，life，period，month）

    C．VDB（cost，salvage，life，per）

    D．VDB（cost，salvage，life，start-period，end-period，factor，no-switch）


    VDB（cost，salvage，life，start-period，end-period，factor，no-switch）

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