1
GATE CSE 2004
MCQ (Single Correct Answer)
+1
-0.3
The Boolean function $$x'y' +xy +x'y$$ is equivalent to
A
$$x'+y'$$
B
$$x+y$$
C
$$x+y'$$
D
$$x'+y$$
2
GATE CSE 1997
MCQ (Single Correct Answer)
+1
-0.3
Let $$^ * $$ be defined as $${x^ * }y = \overline x + y,$$ Let $$z = {x^ * }y.$$ Value of $${z^ * }x$$ is
A
$$\overline x + y$$
B
$$x$$
C
$$0$$
D
$$1$$
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