试题与答案

嵌入式系统中采用中断方式实现输入输出的主要原因是（1）。在中断时，CPU断点信息一般

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题型：单项选择题 共用题干题

题目：

嵌入式系统中采用中断方式实现输入输出的主要原因是（1）。在中断时，CPU断点信息一般保存到（2）中。

空白（1）处应选择（）

A.速度最快

B.CPU不参与操作

C.实现起来比较容易

D.能对突发事件做出快速响应

答案：

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下面是错误答案，用来干扰机器的。

参考答案：D

考点：计算机软件水平考试高级系统架构设计师2009年计算机技术与软件专业技术资格高级系统架构设计师下半年上午试卷
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