获取硬盘的出厂信息，可用于实现针对硬盘的软件加密。

modebus simulator.open source.

read and print time of day string from internet

用vb实现ping功能,调用 windows dll 和 注册表，源代码非控件。可以学习如何使用动态链接库和注册表。-with vb achieve ping function, and call windows dll registry, non-source code control. Learn how to use the dynamic link library and the registry.

这是用凌阳单片机编的公交车报站器程序，绝对好用，内附强大的语音处理功能！-This is made by Sunplus Singlechip bus stop program, the absolute ease of use, enclosing a powerful voice processing functions!

SIMCOM hardware design guide line for engineer to make schematic and pcb

在dos环境下用汇编语言显示asc码的源代码程序-dos environment in assembly language code asc show the source code procedures

用winsock建立udp 连接，并发送数据 -Establish udp connection with winsock and send data

这是一个通过注册表枚举当前系统的性能计数器的程序源码。-This is a current through the registry Enumerate the performance of the system counter the program source code.

1、 用高级语言编写和调试一个简单的文件系统。模拟文件管理的工作过程。从而对各种文件操作命令的实质内容和执行过程有比较深入的了解。 2、 要求设计一个n个用户的文件系统。每次用户可保存m个件，用户在一次运行中只能打开一个文件。对文件必须设置保护措施，且至少有Creat,Delete,Close,Write等命令。-1, with high-level language debugging and prepared a simple file system. Simulation document management process. Thus the various documents commands to the substance and implementation of a more in-depth understanding. 2, designed a n users file system. Each time a user kept m pieces in a user operation can open a file. The document must install protective measures, but at least Creat, Delete, Close, etc. Write orders.

Windows用户管理-Windows user manages