The Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â is used by device controllers to request service.

The Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â �

1.	The Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â is used by device controllers to request service.
A.	nonmaskable interrupt
B.	blocked interrupt
C.	maskable interrupt
D.	none of the mentioned
Answer» D. none of the mentioned