Question

Arrange in order of occurance a) Obtain the IRQ number from the interrupt controller b) I/O APIC transfer interrupt to Local APIC. c) Save the program states d) Local APIC assert the CPU interrupt

Answer 1

Answer:

According to the question, the correct sequence of occurrence is as follows:-

d) Local APIC asserts the CPU interrupt controller, then comes the option, a) Obtain the IRQ number from the interrupt controller, then comes the option b) I/O APIC transfer interrupt to Local APIC, next option is c) Save the program states.

Explanation:

All the steps above are arranged in the sequence of their occurrence and this process is executed in while changing job allocation to the CPU.

Answer 2

Answer:

1. d
2. a
3. B
4. c

these are in order which use to changing job by cpu