Quiz submission record for quiz6-2-2 at Thu Jul 29 09:48:48 2004:

Your Answer for Question 1:
EPC is a 32-bit resgister used to hold the address of the affected instruction.
Cause is a register used to record the cause of exception.


Your Answer for Question 2:
Imprecise exceptions is when machine are relaxed about handling noncritical cases of exceptions.

Your Answer for Question 3:
The principal drawback of polling is that it can use too much of the processor.

Your Answer for Question 4:
memory-mapped io is a mean to address i/o devices.
memory-mapped io use the same instructions and bus to communicate with both main memory and input/output devices.





Your unique submission ID is quiz6-2-2-cs61c-af-1091119728-918.