Logic Gates and Circuits

Current

Logic gates and circuits

George Boole was born in Lincoln on 2nd November 1815. To celebrate 200 years since his birth, we have chosen some of our favourite problems involving logic for you to explore.

You can find out more about George Boole in Plus Magazine
Circuit Maker link

Circuit Maker 

Stage: 3, 4 and 5 Challenge Level: Challenge Level:1

Investigate how logic gates work in circuits.

Simple Counting Machine link

Simple Counting Machine 

Stage: 3 and 4 Challenge Level: Challenge Level:2 Challenge Level:2

Can you set the logic gates so that the number of bulbs which are on is the same as the number of switches which are on?

Truth Tables and Electronic Circuits link

Truth Tables and Electronic Circuits 

Stage: 3, 4 and 5

Investigate circuits and record your findings in this simple introduction to truth tables and logic.

Adding Machine link

Adding Machine 

Stage: 5 Challenge Level: Challenge Level:2 Challenge Level:2

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