# Logic.ly

There are two "universal" gates **`NOR`** and **`NAND`**. It is said that you can create all the logic gates with any combination of just these two. [**Logic.ly**](https://logic.ly/demo/) is a **fantastic online tool** that lets you play with binary logic gates.&#x20;

{% hint style="success" %}
See if you can use [**Logic.ly**](https://logic.ly/demo) to create the `NOT`, `OR`, `AND`,  and `XOR` functions using only `NOR` ***or*** only `NAND` gates.
{% endhint %}

{% hint style="success" %}
See if you can use [**Logic.ly**](https://logic.ly/demo) to create any of the gates using a combination of only `NOR` and `AND` gates.
{% endhint %}

{% hint style="danger" %}
More to come, this page is under construction...
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