多道系统中，当就绪进程数大于处理机数时，须按照某种策略决定哪些进程优先占用处理机。本实验模拟实现处理机调度，以加深了解处理机调度的工作。-Multi-channel system, when the process in place when the number is greater than the number of processors, shall be in accordance with a strategy to determine which process priority