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GATE Overflow | Digital Logic | Test 1 | Question: 14
Bikram
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Digital Logic
Sep 20, 2016
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Find the complement of this expression
$$(A+\bar B+C) (\bar A\bar B + C) (A +\bar B\bar C )$$
$\bar AB\bar C + (A+B)\bar C + \bar A(B+C)$
$A\bar B( C+B) + \bar AB + \bar CB(A+\bar B)$
$A\bar B( C+B) + \bar AC + \bar CA(C+\bar B)$
$AC\bar B + \bar AB + \bar C(A+\bar B)$
digital-logic
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Bikram
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" complement of an expression is the negation of the variables with the changing ANDs with ORs and vice versa. "
_{ }
so option 1 is correct.
Hira Thakur
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Nov 16, 2017
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Hira Thakur
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