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7 October, 10:55

When a key is pressed on the keyboard, which hardware interruptis executed?

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  1. 7 October, 14:51
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    Answer: IRQ1 interrupt

    Explanation: IRQ1 is the hardware interrupt request which is produced from the processor side mainly reserved for keyboard input. When a key is pressed from the keyboard then a input get produced then there is a request from the main processor and this interrupt gets executed. There are some devices which do not have the keyboard still this interrupt is only preserved for it.
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