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本文介绍了一种利用微机并行口实现测试数据实时采集和显示的方法．该方法以中断方式工作，成功地应用于由286微机所组成的一个测试系统中，取得了满意的效果．
This paper introduces a method of real-time acquisition and display of test data by using computer parallel port. The method works in interrupt mode and successfully applied to a test system composed of 286 microcomputer, and achieved satisfactory results.