How random number generator work?

Question

How can we perform Sorting a list of strings without using any built-in sort method?

Answer 1

There is nothing called Random number, they are just numbers looks to be random.

In reality, most random numbers used in computer programs are pseudo-random, which means they are generated in a predictable fashion using a mathematical formula. This is fine for many purposes, but it may not be random in the way you expect if you're used to dice rolls and lottery drawings.

Check this may help you Random Number Generation