Logic Gate Builder
Place AND, OR and NOT gates on the canvas, connect them with wires, then see the full truth table generated automatically. Covers OCR J277 section 2.4.1.
Truth Table
Updates live as you build the circuit. Inputs are labelled A, B, C in the order they appear on the canvas.
Add gates and connect them to see the truth table.
Practice: Complete the Truth Table
A random logic expression is shown. Fill in every output cell, then click Check.
✓ 0/ 0
Need help with GCSE or A Level Computer Science?
I tutor Computer Science one-to-one online, covering logic gates, algorithms and exam technique across AQA, OCR and WJEC/Eduqas.