John has configured device A to use IRQ 3. Which of the following will device A potentially conflict with?
A)COM2
B)LPT1
C)IP3
D)LPT2

Question

Quizplus · Accepted Answer

COM2 uses IRQ 3 by default. If device A is assigned IRQ 3, it will conflict with COM2.
Key Takeaway: An IRQ can be assigned to only one resource at one point in time. Some of the resources on the PC take up a specific IRQ by default. If these default IRQs are assigned to some other resource manually, it may cause a conflict when the resource using this IRQ is added.

John Has Configured Device a to Use IRQ 3