EASA Part-66 · Module 5 — 5.3 Logic Circuits · B1/B2

Logic Gate Playground

Objective: state the truth table and behaviour of the AND, OR, NOT, NAND, NOR and XOR gates and predict the output for any input combination.

Logic gate

Gate
0
Input A
0
Input B
0
Output Y
0

Truth table

Each logic gate turns one or two binary inputs into a single output. AND needs both inputs high; OR needs at least one; XOR needs exactly one; NOT inverts. NAND and NOR are the inverted forms — and either one alone can build every other gate, which is why they're called universal.