B : Application Based Questions
In the Boolean Algebra, verify using truth table that X + XY = X for each X, Y in (0,1). computer
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To solve this question we need to know the following in Boolean algebra:
1) 0 * 0 = 0(AND)
2) 0 * 1 = 0(AND)
3) 1 * 0 = 0(AND)
4) 1 * 1 = 1(AND)
5) 0 + 0 = 0(OR)
6) 0 + 1 = 1(OR)
7) 1 + 0 = 1(OR)
8) 1 + 1 = 1(OR)
Truth Table:
X Y XY X+XY
0 0 0 * 0 = 0 0 + 0 = 0 X = X + XY
0 1 0 * 1 = 0 0 + 0 = 0 X = X + XY
1 0 1 * 0 = 0 0 + 1 = 1 X = X + XY
1 1 1 * 1 = 1 1 + 1 = 1 X = X + XY
Hence Proved.
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