A computer usually consists of input central processing unit (CPU) and output.
一部电脑通常由输入，中央处理机和输出组成。
Data is processed by specific equipment that is often called computer hardware. This equipment consists of input devices, a system unit devices, and secondary storage devices.
数据由称为硬件的专门设备来处理，这些设备包括输入装置，系统单位装置以及二级存储装置。
The typical digital computer has five different units or sections: an input unit where information or orders go into the computer;
一个控制装置，它根据输入的指令控制着计算机的运行；
The control system is composed of setting unit(host computer ), digital controller , input channel (position detector)and output channel (actuating mechanism).
电控系统由设定器（上位机）、数字控制器、输入通道（位置检测）和后向通道（执行机构）构成。
All computer systems of interest to us are similar. They contain hardware components for input, central processing unit and output.
我们目前感兴趣的计算机系统都是相似的，它们的硬件设备均包含输入设备，中央处理器和输出设备。
All computer systems of interest to us are similar. They contain hardware components for input, central processing unit and output.
我们目前感兴趣的计算机系统都是相似的，它们的硬件设备均包含输入设备，中央处理器和输出设备。
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