# Implementing logic expression and the truth table of logic function

(a)Z=(B+C')A+B(C+D')+BD

Z=AB+AC'+BC+BD'+BD

Z=AB+A'C+B

Z=B+AC'

(b) A B C|Z

0 0 0|0
0 0 1|0
0 1 0|1
0 1 1|1
1 0 0|1
1 0 1|0
1 1 0|1
1 1 1|1


(c) BC 00 01 11 10

 A 0   |0  |1 |1 |1|

1   |1  |0 |1 |1|


I was able to complete the 1st 3 Q's i.e.(a),(b),(c).But i didn't understand the last 2 Q's i.e. (d),(e).Can someone give me a hint or push me in the right direction? Thanks in advance