CENTRAL PROCESSING UNIT, in a computer or digitalcircuit, the section containing the arithmetic and logic, control, and internal memory circuits.
中央处理器，计算机或数字电路中含有运算，逻辑，控制和内部存储电路的部分。
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People have to use the digital logic circuit "build" into a special computer numerical control machine tool real as a system, the hardware connecting numerical control, or not numerical control (NC).
The LED numeral tube is composed by the digitalcomputer control circuit and RGB LED photosource, is one kind of new senior decoration lamps and lanterns.