The determines the cause of the interrupt, performs the necessary processing and executes a return from the interrupt instruction to return the CPU to the execution state prior to the interrupt.

The determines the cause of the

1.	The determines the cause of the interrupt, performs the necessary processing and executes a return from the interrupt instruction to return the CPU to the execution state prior to the interrupt.
A.	interrupt request line
B.	device driver
C.	interrupt handler
D.	all of the mentioned
Answer» D. all of the mentioned