Berger Exercise 12.4: Assume that you may assign a priority level from 0 (lowest) to 7 (highest, NMI) for each of the following processor interrupt events. For each of the following events, assign it a priority level and briefly describe your reason for assigning it that level. a- Keyboard strike input. b- Imminent Power failure. c- Watchdog timer. d- MODEM has data available for reading. e- A/D converter has new data available. f- 10 millisecond real time clock tick. g- Mouse click. h- Robot hand has touched solid surface. i- Memory parity error