门电路中的几个问题广东惠阳崇雅中学刘耀涛有关门电路的知识，在九年义务教育初中教材第二册中所占份量尽管不重，且属选学内容．在教学要求中，限于学生的知识水平，只要求了解．然而，随着电子技术的飞速发展，数字电子技术在高科技领域的应用日趋广泛，而门电路作为数... Some Problems in the Gate Circuits Liu Yaotao, Huiyang Chongya Middle School, Guangdong Province, has knowledge about the gate circuits. Although it is not heavy in the second volume of the nine-year compulsory education junior middle school textbooks, it is a subject of study. In the teaching requirements, students are limited to the knowledge level and only need to understand. However, with the rapid development of electronic technology, the application of digital electronic technology in the field of high-tech is becoming more and more widespread, and the gate circuit is used as the number...