单选题：运算器(ALu)的功能是（　　）。

题目内容：

运算器(ALu)的功能是（　　）。 A．只能进行逻辑运算
B．对数据进行算术运算或逻辑运算
C．只能进行算术运算
D．做初等函数的计算

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答案解析：

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