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Draw the logic diagram and truth table for a 2 input XNOR gate.

Computer Science20171 markDrawing

Draw: Logic diagram and truth table for a 2-input XNOR gate

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Answer

AI
A 2-input XNOR gate gives output 1 when both inputs are equal: $F = A \odot B = AB + A'B' = (A \oplus B)'$. Logic diagram: the XOR gate symbol with a small bubble (NOT) at its output, inputs A and B, output F. Truth table:
ABF
001
010
100
111
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Computer Hardware

From ISC 2017 Computer Science Paper 1, question 1(d).