Assembly language involves and uncovers elements that are automatically managed by other languages.

It is very CPU-centered, and the processor's main functions are invoked directly

Also the memory management and allocation is the most free among any programming language allowing for any sort of operation, or mistake if developers don't know what they are doing.

That's why the book prioritizes graphics and visual representation of data to help the reader understand properly how data moves or is stored in the RAM and CPU memory