说明：  编写程序完成单处理机系统中的进程调度，要求采用时间片轮转调度算法。实验具体包括：首先确定进程控制块的内容，进程控制块的组成方式；然后完成进程创建原语和进程调度原语；最后编写主函数对所作工作进程测试。
(Programming a single processor to complete the process of scheduling system to adopt the time slice rotation scheduling algorithm. Experiments include: First of all, the process control block to determine the content, process control block composition and then completed the process of creating the original language and the process of scheduling the original language the final preparation of the main function of the work done by the testing process.)