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讨论了如何对IBMPC机的串、并口进行设置及利用并行打印口进行高速信号采集 ,双机通讯 ,I/O控制以及通过软、硬件的方法实现信息的并行输入输出和进行多种功能扩展的实用方法 .
It discusses how to set up parallel port and parallel port of IBMPC machine and carry out high-speed signal acquisition, double machine communication, I / O control and parallel input and output of information by means of software and hardware as well as multiple function expansion Practical methods.