Subject
Computer Science
Topic
Computer Hardware
What does an IRQ line allow a device to do?
What does an IRQ line allow a device to do?
a)
Swap data directly to RAMb)
Interrupt the CPU to request servicec)
Send data to other adapter cardsd)
Bypass the CPU completelyExplanation
An Interrupt ReQuest line signals the CPU that a device needs attention. The CPU suspends current work, runs the interrupt routine, and returns. It’s the backbone of responsive I/O.Related questions
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