Ages 9–14 · Grades 5–8 · Computer Science

GateForge

Top switch off, bottom switch off: the lamp stays dark. Tap to flip a switch.

Inside every computer are tiny switches called logic gates: here you wire them yourself, then check your circuit against every possible input, all the way up to a real adder.

What next? Pick a door

Chosen from what this app is about. What you open is remembered on this device only.