Answer:
Math properties the programmer had put into the software. The majority of programming software is based in math.
Step-by-step explanation:
The other 3 possible answers make no sense.
1. Pixels with red, green, and blue switches - Seriously???
2. Code randomly created by programmers - Seriously???
3. The fundamental properties of physics which consist of numbers and constants (numbers and constants are the same thing and physics has virtually nothing to do with programming)
