In computing, an interruption is an asynchronous signal from the hardware that indicates the need for attention, or a synchronous event in software that indicates the need for a change in execution.
A hardware interrupt (hardware interrupt) causes the processor save your execution status through a context switch and start the execution of an interrupt handler.
Software interruption is generally implemented as an instruction in a set instruction, which causes a context switch to an interrupt handler similar to a hardware interrupt.
Interruptions are a technique commonly used in multitasking, especially in real-time computing The act of interruption is usually called IRQ (or interrupt request).
Related: • IRQ
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