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

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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。
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