Interrupt Service Routines (ISR) are the )ortions of the program code that handle the inte

Question

Interrupt Service Routines (ISR) are the )ortions of the program code that handle the interrupt requests. When an Interrupt is triggere i (either a hardware or software interrupt), the processor breaks away from the current task. moves the (72) to the ISR, and then continues operation. When the ISR has comr Leted, the processor retums execution to the previous location.

A.memory

B.function

C.instruction pointer D variable

Answer 1

正确答案：C
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。