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 20 min, free

Lessons

Logic gates and truth tables Free
Combining gates Free
Logic for real systems

Practise and test

Mixed reviewQuestions mixed across your lessons.

Question bank40 exam-style questions with worked solutions, 11 free
Topic test12 questions, 25 minutes, an estimated grade, the same questions on each try

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