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在I/O设备、数据通道、时钟和软件这4项中,可能成为中断源的是( )。

单选题
2021-09-01 20:09
A、I/O设备
B、I/O设备和数据通道
C、I/O设备、数据通道和时钟
D、I/O设备、数据通道、时钟和软件
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正确答案
D

试题解析

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