Binary code is essential in various applications like data storage, calculations, and computing. In addition, Braille for the visually impaired also uses a binary system with raised and flat dots.

The video walks you through the essentials here, how binary represents decimal, how that’s represented in hexadecimal, and why exactly computers need all that to begin with.

The conversion from operator input to binary output is explained first, followed by the mechanical translation back to text on the receiving end.