调度模拟盘定义程序。可以定义开关旁路带的情况。-definition disk scheduling simulation procedures. Switching bypass can be defined with the situation.

家用电器商店库存操作模拟程序，完成商品的卖出，退回，查询功能以及保存交易记录的功能，并将交易记录保存到磁盘中，并可以查询交易记录-Appliance store inventory operation simulation program, complete the goods sold, returned, query functions and features keep transaction records, and transaction records saved to disk,

在vc6.0的DOS状态下模拟图书馆的相关操作，以及存储介质为磁盘文件，图书管理系统-Vc6.0 the DOS in the simulation library-related state operations, and storage medium for the disk file, library management system