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INTT8259中断屏蔽寄存储器的作用是()

A、禁止CPU响应外设的中断请求

B、禁止外设向CPU发中断请求

C、禁止软中断请求

D、禁止NMI中断请求

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

B

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