题目内容

对于中断处理程序,以下不正确的叙述是( )。

A. 中断处理过程中系统的控制权会交给中断处理程序
B. 在中断处理开始前,应先保存被中断进程的CPU环境
C. 不同的设备对应不同的中断处理程序
D. 当中断处理结束后会返回被中断的程序

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________是指由CPU内部事件所引起的中断。

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