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 interrupt, performs the nece

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