【单选题】【消耗次数：1】
中断响应时，保存并更新PC的内容，主要是为了______。
①
节省主存空间
②
提高处理机的速度
③
能进入中断处理程序并返回原程序
④
便于编制中断处理程序
参考答案：
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相关题目
【单选题】
中断发生时，由硬件更新程序计数器PC，而不是由软件完成，主要是为了____
①
能进入中断处理程序并正确返回源程序
②
节省内存
③
提高处理机的速度
④
使中断处理程序易于编址，不易出错
【简答题】
中断处理过程包括关中断、保护现场、执行中断服务程序、[填空1]和开中断阶段
随机题目
【判断题】
答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”This road is wider two metres (米) than that one.
①
正确
②
错误
【判断题】
答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”Many joggers feel that if they can succeed in jogging, they can succeed in other things as well.
①
正确
②
错误
【判断题】
阅读课文II.Which Is Stronger? 判断下列句子表述内容的正误:The central idea of the text is Persuasion is better than force.
①
正确
②
错误
【多选题】
A: That suit looks very good on you.B:___________ ?
①
How many is it
②
How much is it
③
How much does it cost
④
Whats the price
【多选题】
A: I think the boy can do it well.B:_________ .
①
Certainly
②
Sure
③
I agree
④
Ill do it
【多选题】
The lives of many people have been enriched_________ adult education.
①
because
②
because of
③
due to
④
owing to
【多选题】
A: Im sorry for being late.B:___________
①
It doesnt matter.
②
Never mind.
③
No problem.
④
Forget it.
【多选题】
___________ , in order to make more profit, storekeepers try to supply not only enough goods but also different services for their customers.
①
In short
②
In a word
③
In sum
④
All in all