PYQ-2019-1-Mark-Logic-Gate

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Which one of the following is NOT a valid identity?[GATE|| 2019 || MCQ || 1 Mark]

(x + y) ⊕ z = x ⊕ (y + z)

(x ⊕ y) ⊕ z = x ⊕ (y ⊕ z)


x ⊕ y = x + y, if xy = 0

x ⊕ y = (xy + x'y')'


This question is part of this quiz :

GATE ||Digital Logic || Logic GATE || PYQ (2010- 2025),GATE|| Digital logic || Pyq (2010 to 2025),GATE || DIGITAL ELECTRONICS / LOGIC ||PYQ (2010 TO2025),GATE || DIGITAL LOGIC || LOGIC GATE || PYQ (2010 TO 2025)
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Digital Logic
GATE CS
Digital Electronics - Logic Gate
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