Logic circuits and expressions

What this lesson covers

• Draw logic circuits from statements, expressions and truth tables
• Write logic expressions

Key vocabulary

Logic circuit

Logic gates joined together to produce an output from several inputs.

Logic statement

Logic written in words, e.g. X = 1 if A is 1 AND B is NOT 1.

Logic expression

Logic written with gate names, e.g. X = A AND (NOT B).

Check your learning

• Quick check: 4 questions
• Key vocabulary test: 3 terms
• Activity 1: Circuit to expression · 6 questions
• Activity 2: Statement to expression · 6 questions
• Activity 3: Logic circuits quiz · 8 questions