Logic

What will happen when you switch on these circular circuits?

Can you set the logic gates so that this machine can decide how many bulbs have been switched on?

If Tom wants to learn to cook his favourite supper, he needs to make a schedule so that everything is ready at the same time.

Creating a schedule to cook a meal consisting of two different recipes, plus rice.

Can you invert this confusing sentence from Lewis Carrol?

Four friends must cross a bridge. How can they all cross it in just 17 minutes?

A man has 5 coins in his pocket. Given the clues, can you work out what the coins are?

The flow chart requires two numbers, M and N. Select several values for M and try to establish what the flow chart does.

Can you think like a computer and work out what this flow diagram does?

Prove that you can make any type of logic gate using just NAND gates.