What Is IRQ (Interrupt Request)?

November 15, 2022

An IRQ (interrupt request) is a signal sent by a hardware component to the CPU that interrupts the execution of a program and runs the interrupt handler code associated with the request. For example, when a user presses a key on the keyboard, the keyboard controller sends an IRQ to the processor, prompting it to read the user input.

Anastazija
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Anastazija is an experienced content writer with knowledge and passion for cloud computing, information technology, and online security. At phoenixNAP, she focuses on answering burning questions about ensuring data robustness and security for all participants in the digital landscape.