The observation that a bubbled input OR gate is interchangeable with a bubbled output AND gate is referred to as __________________(a) A Karnaugh map(b) DeMorgan’s second theorem(c) The commutative law of addition(d) The associative law of multiplicationI got this question in an interview for internship.My doubt stems from K-Map Simplification in division Arithmetic Circuits of Digital Circuits

The observation that a bubbled input OR gate is interchangeable with a

1.	The observation that a bubbled input OR gate is interchangeable with a bubbled output AND gate is referred to as __________________(a) A Karnaugh map(b) DeMorgan’s second theorem(c) The commutative law of addition(d) The associative law of multiplicationI got this question in an interview for internship.My doubt stems from K-Map Simplification in division Arithmetic Circuits of Digital Circuits
Answer» Right CHOICE is (B) DeMorgan’s SECOND theorem To explain: DeMorgan’s Law: ~(P+Q) <=> (~P).(~Q) Also, ~(P.Q) <=> (~P)+(~Q).

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