You know, I have a really hard time imagining a situation where your boss storms up to your desk and says "Why aren't the goddamn wheels moving? We're losing ad revenue every minute!!" and you reply "Aww goddamn, I forgot to account for DRAM refresh cycle."
There's knowing how fuel injectors work, and there's knowing how copper crystal in the wire admits an energy band for free electrons.
The point isn't to know the answer to every problem. The point is to be educated enough to even have a guess as to where to start looking for the problem, and then start trying to figure out the answer.
There's knowing how fuel injectors work, and there's knowing how copper crystal in the wire admits an energy band for free electrons.