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:

The correct sequence of the following is as follows :-

b) I/O APIC transfer interrupt to Local APIC.

d) Local APIC assert the CPU interrupt​.

a) Obtain the IRQ number from the interrupt controller.

c) Save the program states.

Explanation:

When a computer receives an I/O request, then there are series of activities performed, firstly the process which was currently being processed, is paused by causing an interrupt, then the location of the process is stored in a queue. Ultimately the new program is allotted to the CPU.