Quiz submission record for quiz5-1-2 at Tue Jul 20 10:58:34 2004: Your Answer for Question 1: g5+(p4.g3)+(p4.p3.g2)+(p4.p3.p2.g1)+(p4.p3.p2.p1.g0)+(p4.p3.p2.p1.p0.c0) Your Answer for Question 2: It is used to check to see if a register is a destination register. Your Answer for Question 3: o= -a + a.-c no there are no unspecified combinations. Your unique submission ID is quiz5-1-2-cs61c-ay-1090346314-2842.