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《数字电路》是自考计算机专业的一门专业基础课,也是计算机专业人员掌握数字化技术的必要知识。数字电路包括信号的传送、控制、记忆、计数、产生、整形等内容,在结构、分析方法、功能、特点等方面均不同于模拟电路。它的基本单元是逻辑门电路,分析工具是逻辑代数,在功能上则着重强调电路输入与输出间的因果关系。数字电路比较简单、抗干扰性强、精度高、便于集成,因而在无线电通讯、自动控制系统、测量设备、电子计算机等领域获得了日益广泛的应用。
Digital circuits are a specialized basic course for self-taught computer major and a necessary knowledge for computer professionals to master digital technology. Digital circuits include signal transmission, control, memory, counting, generation, shaping and other content, in terms of structure, analysis methods, functions, features, etc. are different from analog circuits. Its basic unit is a logic gate circuit, analysis tools are logical algebra, while in function it emphasizes the causal relationship between the circuit input and output. Digital circuit is relatively simple, strong anti-interference, high precision, easy to integrate, and thus in the radio communications, automatic control systems, measuring equipment, electronic computers and other fields has been increasingly widely used.