我自己编写的一个保护模式下实现任务切换的系统软件，并加载运新了电梯控制系统。-I prepared a protected mode switch tasks under the system software, and the loading operation of the new elevator control system.

磁盘移臂调度过程模拟系统的设计——先来先服务法、最短寻道时间优先算法、电梯算法-The process of shifting the disk arm scheduling simulation system design- first come first serve method, the shortest seek time priority algorithm, Elevator algorithm