OCR H446 · Component 01

1.4.3 Boolean algebra

Logic gates, truth tables, Boolean expressions, Karnaugh maps, half and full adders, D-type flip-flops, and Boolean simplification laws.

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A cabinet unlocks when override O is true, or when both badge B and PIN P are valid. Write a Boolean expression for unlock U.Write
Simplify (A AND B) OR (A AND NOT B), naming the main laws.Simplify
What does an AND gate output?Logic Gates
What does an OR gate output?Logic Gates
What does a NOT gate do?Logic Gates
How does XOR differ from OR?Logic Gates

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