If we worked only with digital devices, we would eventually have to convert the output of the digital device into analog form if we wanted to input it into a computer.
如果我们努力工作只与数位装置，我们会最终都转化为输出的数位装置成模拟形式，如果我们想要输入到电脑。
The hardware components of the measurement and control system based on industrial personal computer consist of the analog input channel and the digital output channel.
测控系统以工控机作为硬件基础，分为模拟量输入通道和数字量输出通道两部分。
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