An IRQ interrupt can come from many different sources. The job of your INT DIRECTOR IRQ...

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An IRQ interrupt can come from many different sources. The job of your INT DIRECTOR IRQ service procedure is to determine the source of an IRQ interrupt. Briefly describe a systematic approach you would use in your INT DIRECTOR to determine the source of an IRQ interrupt in a system with many IRQ sources. (Where would you look first, etc?) An IRQ interrupt can come from many different sources. The job of your INT DIRECTOR IRQ service procedure is to determine the source of an IRQ interrupt. Briefly describe a systematic approach you would use in your INT DIRECTOR to determine the source of an IRQ interrupt in a system with many IRQ sources. (Where would you look first, etc?)