Problem
1. How does the VMEbus deal with a 7-level interrupt, since it has only an IACK* line and the IACKOUT*--IACKIN* daisy-chain?
2. What does fairness mean in the context of bus arbitration?
3. What is the difference between a TAS timing cycle and the timing cycle of other 68000 instructions? How is TAS used?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.