Please read each question carefully. Some questions have multiple correct answers.

Question $6$

Which of the following is correct across the priorities of hardware interrupts, signals, system calls, traps, and exceptions?

A hardware interrupt has higher priority than a system call, because a hardware interrupt is detected at the fetch phase, while a system call is placed at the decode phase.

A system call has higher priority than a hardware interrupt, because a system call is placed by the program that is now on the processor, while a hardware interrupt is caused by an

$3$ pts

cause erroneous execution are handled.

A system call has higher priority over an exception, because a system call is placed at the decode phase, whereas an exception is detected at the execute phase.