计算机网络的课程小实验，主要实现的是CRC-4的校验码，不过程序写的不错，值得大家仔细阅读！-Experiment of computer network lesson. It can calculate the CRC-4 checksum. Nice written, and worth reading.

这是计算机网络第四版的一个CRC实验报告．之前我上传了另外一个CRC的实验，这个是CRC实现的另外一个不同的方法．-This is the fourth edition of the computer network experiment a CRC report. Before, I uploaded another CRC test, the realization of the CRC is a different approach.

简单的个人网络嗅探器.用于计算机网络。是VC编的。在本机上就可以实验。很好用。-simple personal network sniffer. For the computer network. Part of the VC. The plane can experiment. Very good use.