Quiz submission record for quiz2-2-2 at Wed Jun 30 23:48:42 2004: Your Answer for Question 1: register spilling is necessary whenever the number of variables is greater than the registers could handle. in other words, vars are spilled to the memory. reducing register spilling would thus be reduced if we reduce the number of variables used. Your Answer for Question 2: not sure about the meaning of the question. stack overflow problem usually resulted in scheme whenever i worked with recursion.. which was due to an infinite loop forming in someway or another due to the recursion. Your Answer for Question 3: actually.. things are now getting much clearer. although it's a little difficult to sort out the different jumps to know exactly how they're used! Your unique submission ID is quiz2-2-2-cs61c-ch-1088664522-3017.