【单选题】
运算器、控制器和寄存器属于___
A. 算术逻辑单元
B. 主板
C. CPU
D. 累加器
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答案
C
解析
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在微机的配置中常看到“P42、4G”字样，其中数字“2、4G”表示___
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在windows 7资源管理器中，选中文件后，打开文件属性对话框的操作是___
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