Logic Gates and Related Devices
113
A
B
C
D
E
F
G
H
AB
ABC
ABCD
ABCDE
ABCDEF
ABCDEFGH
Y
ABCDEFG
Y=ABCDEFGH
(a)
A
B
AB
C
D
CD
ABCD
E
F
EF
G
H
GH
EFGH
ABCDEFGH
Y
Y=ABCDEFGH
(b)
Figure 4.61 Solution to problem 6.
A
B
C
D
E
F
G
H
Y
'1'
Y = A B C D E F G H
+
+
+
+
+
+
+
Figure 4.62 Solution to problem 7.