Picture This
Okay, so I hope the basic idea is clear. This imaginary device simply brute-force generates every possible image for the resolution and colors we specified. It just keeps spitting out images, you see; I imagine them in a sort of slide show carousel. We are going to be dealing with a very large number here in a minute—but not to worry, it isn’t infinity, you won’t need any special equipment—and we’re not going to get all “mathy” or anything either.