Digital Logic · Boolean Algebra and Minimization
Official IIT answer key · IIT Roorkee · Audited Aug 2026
GATE CSE 2026 Set 2 Q40 · MCQ · 2 marks
Key concept
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Topic notes
Boolean algebra and minimization in GATE CS tests algebraic identities, canonical form transformations, K-map minimization (SOP/POS with and without don't-cares), functional completeness, and the structural properties of logic operators like XOR, XNOR, and majority functions. Early years primarily featured 1-mark or 2-mark MCQs focusing on single-step simplification or finding the minimal expression. Recent years (2021–2026) show a marked shift towards multi-select questions (MSQs) testing multiple valid minimal forms, set-theoretic minterm algebra across interconnected logic gates, and deep property verification of custom or majority Boolean functions.
Full Boolean Algebra and Minimization guide →Consider the following 4-variable Boolean function F(A, B, C, D) = m(0, 1, 2, 3, 8, 9, 10, 11) Consider A as MSB, D as LSB. Which one of the following options represents the minimal sum of products form for the above function? Note: + is OR operation, . is AND operation, ' is NOT operation
Topic-wise GATE CS PYQs with verified steps
Independent practice explanation verified by the GateAI team. GATE is conducted by the IITs; question text follows the official paper.
