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1. What is interrupted by an interrupt? 13. Each protected mode interrupt descriptor contains what information? 17. What memory locations contain the vector for an
1. What is interrupted by an interrupt?
13. Each protected mode interrupt descriptor contains what information?
17. What memory locations contain the vector for an INT 44H instruction?
21. List the events that occur when an interrupt becomes active.
26. The NMI interrupt input automatically vectors through which vector type number?
38. How many 8259As are required to have 64 interrupt inputs? 39. What is the purpose of the IR0IR7 pins on the 8259A? 40. When are the CAS2CAS0 pins used on the 8259A?
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