On receiving an interrupt from an I/O device, the CPU – McqOptions

MCQOPTIONS

1.	On receiving an interrupt from an I/O device, the CPU
A.	halts for predetermined time.
B.	branches off to the interrupt service routine after completion of the current instruction.
C.	branches off to the interrupt service routine immediately.
D.	hands over control of address bus and data bus to the interrupting device.
Answer» C. branches off to the interrupt service routine immediately.

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