What Is an Interrupt Request (IRQ)? - Lifewire
https://www.lifewire.com/irq-interrupt-request-2625917
WEBNov 14, 2022 · An IRQ, short for Interrupt Request, is used in a computer to send exactly that—a request to interrupt the CPU by some other piece of hardware . Purpose of IRQ. An Interrupt Request is necessary for things like keyboard presses, mouse movements, printer actions, and more.
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