38. AB + BK +AK
39. Derive a minterm expression from the SUM-output column
of the truth table below.
INPUTS
OUTPUT
A
B
K
SUM
CARRY
0
0
0
0
0
0
0
1
1
0
0
1
0
1
0
0
1
1
0
1
1
0
0
1
0
1
0
1
0
1
1
1
0
0
1
1
1
1
1
1
40. Complete the truth table below.
a.
X
Y
X+Y
X(X+Y)
X(X+Y) = X
0
0
0
0
0
1
1
0
1
0
1
1
1
1
1
1
b. Is the expression X(X+Y) =X equivalent in all cases?
1-27
IT 0346
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