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。
CENTRAL PROCESSING UNIT, in a computer or digital circuit, the section containing the arithmetic and logic, control, and internal memory circuits.
算术逻辑运算器：执行运算功能的中央处理器内的线路。
ALU: arithmetic Logic Unit; the circuitry within the CPU which performs all arithmetic functions.
有时也被简称为处理器或中央处理器，通过它来进行大部分的运算。
Sometimes referred to simply as the processor or central processor the CPU is where most calculations take place.
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