What is a digital photo?

With the help of a computer engineer, I extracted the negative of a digital photo: a long sequence of 0s and 1s.

A publisher printed this information for me.

The result is a book that weights 35 kg and contains more than 4,000 pages of binary code:

This object allows me to visualize the huge amount of information produced each time I take a picture.

I can't understand what's written in this book, yet this book is a digital photo.

1 .txt file - 199,2 MB - printed on paper and bound in a book (format 48x35x27 cm, 35 kg)