Boolean logic

AND, OR, NOT and XOR gates, truth tables, expressions and circuits, built by hand in an interactive gate builder and used to describe real systems.

Start: Logic gates and truth tablesAbout 6 min

Lessons

Logic gates and truth tables
Combining gates
Logic for real systems

Practice and tests

Mixed practiceQuestions mixed across your lessons.

Question bank 40 practice questions with worked solutions
Topic test12 questions, 25 minutes, an estimated grade, the same questions on each try

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