Question

With interrupt driver I/O, if two or more
devices request service at the same time,
then ..............
(A) The device closest to the CPU gets
priority
(B) The device that is fastest gets priority
(C) The device assigned the heighest priority
is serviced first
(D) The system is likely to crash

Comments

Statement 3 is in built in the definition given by you :)

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yes, thats what i was also thinking, both (A) and (C) are correct, but  (C) can absorb (A).

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A is not correct! because A is a specific statement while C is a general statement.

Answer 1

Everything will be based on priority, The device assigned the highest priority
is serviced first. So option C is correct.