Quiz submission record for quiz5-1-2 at Mon Jul 19 17:39:00 2004:

Your Answer for Question 1:
c5 = g4 + (p4.g3) + (p4.p3.g2) + (p4.p3.p2.c0) + (p3.p3.p2.p1.p0.c0)

Your Answer for Question 2:
when the ALUSrc control signal is asserted the second ALU operand is the sign-extended , lower 16 bits of the expression.

Your Answer for Question 3:
The Xs mean that we "don't care" about the value of the function code. If as is not 1 then we don't care about the b and the c. We never care what b is because it doesn't have any affect.

o = (a.(not(c)))

yes there are unspecified inputs:
a b c 
0 1 0
0 0 0
1 0 1
1 1 0
1 0 0
1 1 1

are not specified. There are more combinations that should be there.


Your unique submission ID is quiz5-1-2-cs61c-et-1090283940-1163.