written pieces of the jigsaw

-C语言中使用PC喇叭发声 -个人成绩管理(图形菜单)--C language used in PC speaker sound- Personal performance management (graphics menu)

Ｄｅｌｐｈｉ编写的俄罗斯方块游戏，可玩性高，适合初学者看-Delphi sheet prepared by the Russian game, the fun, to see for beginners

讲述分组交换的概念，优缺点，和其他交换方式的比较，是数据通信方面的好ppt-The document gives the concept of packet switching, longcoming and shortcoming. And also give a compare with other techs. It s a good material about data communication.

有几类员工：临时员工、后勤人员、讲师、博导、硕导等，本代码意在管理他们的工资。实现了增删查改存储读取的功能。其中运用到了包括指针，模板，函数重载等内容，当然也有一些诸如清屏等的小技巧。

根据指定的USB卷标名，自动侦测该USB设备插拔，返回USB设备盘符，并根据usb设备动作情况调用相对应的批处理文件。

IrDA usb MI620 driver-IrDA usb driver MI620

ATmega 16 demo board schematic and description

一个很好的开源项目管理系统源代码，大家可以部署测试，看看效果如何。-A very good open-source project management system source code, we can deploy the test to see how.

为了方便大家学些，上传了一个贪心算法的算法-In order to facilitate everyone to learn more, upload the algorithm, a greedy algorithm

用于集成电路设计中，对lef和def的操作-used for the design of integrated circuits, the right and lef def operation