Quiz submission record for quiz6-2-2 at Thu Jul 29 10:38:49 2004: Your Answer for Question 1: EPC: Register that holds the address of the instruction that caused the exception. Cause: Register that hold the cause of the exception Your Answer for Question 2: Imprecise exceptions are when, due to pipelining, the exact exception isn't stored. Your Answer for Question 3: It can use up a lot of processor time, slowing down the computer. Your Answer for Question 4: Memory-mapped i/o is when the register is stored in a memory location. Your unique submission ID is quiz6-2-2-cs61c-ed-1091122729-869.