Quiz submission record for quiz3-2-1 at Wed Jul 7 10:26:57 2004: Your Answer for Question 1: Someone could send bad data instruction to do harmful thing I think we can prevent this by separate instruction data with the rest. The tradeoff is that this divides the resource we have. Also, this makes the hardware implementation more complecated. Your Answer for Question 2: (Can't find this one.) Your Answer for Question 3: It is a trick to fix the problem of not having a guard bit in double precision. Your Answer for Question 4: Against: with limited precision, the standard creates fallacies such as association of adding and shifting to mult/div. For: simplify data exchange and arithmetic algorithm. Your unique submission ID is quiz3-2-1-cs61c-by-1089221217-2195.