George Boole described 150 years ago logic with mathematical formulas. He used statements that were either "TRUE" or "FALSE". Then he combined them with "AND", "OR", etc., thus creating the Boolean logic and the foundation of modern computering.

Early on Boolean logic was used in simple mechanical **adding machines**.
Later calculating machines were built using **relays** and
"TRUE" and "FALSE" was replaced with
"0" und "1".
Relays however had the disadvantage of consuming lots of space and power.
Modern **semiconductor technology** brought the breakthrough:
Today, millions of logic gates can be put on a chip of a few millimeters in size.

In this **first part** you get to know the most basic logic gates.
In **10 experiments**, you will discover **Boolean logic** and **digital electronics**.

The **second part** (Go on...) will show what you can do with Boolean logic.
In another **6 experiments** you combine individual gates into useful applications.
Here you get insights into how a computer **stores information** or **adds two numbers**.

Let's go...and have fun...