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ISR vs DPCs #WindowsInternals #ProcessorDebug (1/5)
ISR: A software routine that hardware invokes in response to an interrupt. ISRs examine an HARDWARE interrupt and determine how to handle it. (2/5)
DPC: Software interrupt with a lower priority than the ISR
An ISR must perform very fast to avoid slowing down the operation of the device and the operation of all lower priority ISRs. (3/5)
An ISR must perform very fast to avoid slowing down the operation of the device and the operation of all lower priority ISRs. (3/5)
