My point is that this isn't an unreasonable thing to expect people to know, as evidenced by it being taught to undergrads. That you know it without a high scho

My point is that this isn't an unreasonable thing to expect people to know, as evidenced by it being taught to undergrads. That you know it without a high school diploma strengthens my assertion that it is a reasonable thing to expect people to know. This isn't about "formal CS curriculum", this is about a passing familiarity of modern computer architecture.