Questions and answers

1. Does Colab run on my personal computer?

No, it runs in the cloud, but with some skill and setup, you could connect it to your own personal cloud.

1. Does Keras use GPUs? 

Yes. Since Keras runs on TensorFlow (in the setup of this book) and TensorFlow uses GPUs, then Keras also does.

1. What are the two main coding paradigms in Keras?

(A) Sequential model; (B) Functional API.

1. Why do we care about Dopamine?

Because there are only a few reinforcement learning frameworks you can trust out there, and Dopamine is one of them.