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。

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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。

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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；

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The NOR type needs to be ultrafast because it is directly connected to the central processing unit of a computer and stores its basic input-output system (the operating system used by the microchip that lies beneath user-interface operating systems, such as Windows).

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