【单选题】【消耗次数：1】
以CPU为中心，配上存储器、输入输出接口电路及系统总线所组成的计算机，称为（）。
①
微处理器
②
微型计算机
③
工作站
④
微型计算机系统
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微型计算机系统采用总线结构对CPU、存储器和外设进行连接。总线通常由_____组成。
①
数据总线、地址总线和控制总线
②
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③
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