2. 计算机
  3. Interrupt Service Routines(ISR)are the portions of the program code that handle theinterrupt requests．When an Interrupt is trigg

Interrupt Service Routines(ISR)are the portions of the program code that handle theinterrupt requests．When an Interrupt is trigg

admin2015-05-21  17
问题 Interrupt Service Routines(ISR)are the portions of the program code that handle theinterrupt requests．When an Interrupt is triggered(either a hardware or software interrupt)，the processor breaks away from the current task，moves the  (  ) to the ISR，and then continues operation．When the ISR has completed，the processor returns execution to the previous location．
选项 A、memory
B、function
C、instruction pointer
D、variable
答案C
解析 参考译文：中断服务程序是用来进行中断请求处理的程序。当中断被触发时(不管是硬中断还是软中断)，处理器会停止当前的工作，将指令指针指向中断服务程序，并继续操作。当中断完成后，处理器会恢复到中断之前的位置。
转载请注明原文地址:https://jikaoti.com/ti/nII7FFFM
本试题收录于： 嵌入式系统设计师上午基础知识考试题库软考中级分类
0

嵌入式系统设计师上午基础知识考试

软考中级

相关试题推荐
随机试题
最新回复(0)