Multiple choice:12 *. The interrupt caused by user program using privilege instruction in target state belongs to.

12 *. The interrupt caused by user program using privilege instruction in target state belongs to.
@[B](2)
A. Hardware failure interrupt
B. Program interrupt
C. External interrupt
D. Interruption of management visit




A. Hardware failure interrupt
B. Program interrupt
C. External interrupt
D. Interruption of management visit


answer：B