【单选题】Despite the failure of his elderly experiments, the scientist continued his efforts in his research.
【简答题】9-4-3 某 CPU 的主频为 10MHz ,若已知每个机器周期平均包含 4 个时钟周期,该机的平均指令执行速度为 1MIPS ,试求该机的平均指令周期及每个指令周期含几个机器周期?若改用时钟周期为 0.4μs 的 CPU 芯片,则计算机的平均指令执行速度为多少 MIPS ?若要得到平均每秒 80 万次的指令执行速度,则应采用主频为多少的 CPU 芯片?
【判断题】桂林三花酒是中国米香型代表的代表,被誉为米酒之王
【单选题】Despite the failure of his early experiments, the scientist continued his efforts in his research.
【判断题】氯氮草溶于硫酸后,在紫外光灯(365nm)下检视,显黄色( )
【单选题】Despite the failure of his early eperiments, the scientist continued his efforts in his research.