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March 31, 2015. 1  An IRQ (Interrupt Request) number is assigned to all the hardware devices installed in a computer that are used to input information, for example the mouse or the keyboard. On a PC, some IRQs are predefined, so the Keyboard controller is always given an IRQ of 1, for example.
From Wikipedia, the free encyclopedia. RFQ is the initialism for a number of things: 1  Radio Frequency Quadrupole, a particular setup of electrodes used as a mass analyzer or an element of a linear accelerator.  Regulatory Focus Questionnaire, a questionnaire designed to measure prevention focus and promotion focus.