Computer-related term. Acronym for "Interrupt Request". It is the process of interrupting the bus lines or the PIC lines, forcing the program to stop. IRQ's are seperated into Non-Maskable Interrupts (NMI) - an Interrupt Request that can not be ignored - and Maskable Interrupts (MI) - interrupts that can be ignored
IRQ 0: System Timer
IRQ 1: Keyboard
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