对于给定的一组作业, 给出其到达时间和运行时间分别用先来先服务算法、短作业优先和响应比高者优先三种算法给出作业的调度顺序。计算每一种算法的平均周转时间及平均带权周转时间并比较不同算法的优劣。 -For a given set of operations, given its arrival time and run time were used to first come first served method, short job priority and response than th