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0引言随着电子材料科学的发展,电路集成技术的进步,分立元件的电路渐渐被数字IC取代,电路成本不断地降低,数字电路越来越广泛地出现在人们的日常生活中,数字电路的知识也因此成为中等职业电子技术专业学生
0 Introduction With the development of electronic materials science and technology of circuit integration, the circuits of discrete components are gradually replaced by digital ICs. The cost of circuits is continuously reduced. Digital circuits are increasingly appearing in people’s daily life. Digital circuits Knowledge has therefore become secondary vocational electronic technology students