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问题详情

INT8255中可用置位/复位控制字对( )的各位进行按位操作以实现某些控制功能

A、A口

B、B口

C、C口

D、数据总线缓冲器

时间：2021-09-01 20:43 关键词：联大河南理工大学计算机科学与技术_微机原理与接口技术

答案解析

C

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