Quiz submission record for quiz4-1-1 at Mon Jul 12 08:00:53 2004:

Your Answer for Question 1:
N-1

Your Answer for Question 2:
A bus is a set of wires which can carrry the hi-lo signal(ie 0s and 1s). 

Your Answer for Question 3:
y = a.a + a.b + a~b
y = 1   + a.b + a~b (a AND a is always true)
y = a(b + ~b) (Distributive Law)
y = a (Inverse law)
y = a


Your unique submission ID is quiz4-1-1-cs61c-fy-1089644453-2883.