【判断题】【消耗次数：1】
一片可编程中断控制器8259A最多可管理3个可屏蔽中断。
①
正确
②
错误
参考答案：
复制
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相关题目
【单选题】
8259A可编程中断控制器的中断服务寄存器ISR用于（）
①
记忆正在处理中的中断
②
存放从外设来的中断请求信号
③
允许向CPU发中断请求
④
禁止向CPU发中断请求
【简答题】
1片8259A中断控制器可管理[填空1]级中断，用9片8259A可构成[填空2]级主从式中断管理系统。
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