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[单选题]
8086外部采用40引脚双列直插式封装，包括（）。
A
20根地址线和16根数据线b.16根地址线和16根数据线c.20根地址线和20根数据线d.20根地址线和8根数据线
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试题答案：
A
答案解释：
考查8086的引脚。
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