A remake of Quake with all the same levels, monsters and gameplay, but with just the rendering quality updated, would be my perfect game.
What is it about old rock stars who disavow their youthful ways?
Massive financial success.
Today that concept of "differentiated services" is referred to as DiffServ. It's part of quality-of-service technologies that companies like AT&T offer, usually to business customers, that rely on DiffServ packet headers to group different types of classes of service together. Real-time voice communication may be ranked the highest, followed by financial transactions, then e-mail, and finally bulk file-transfer protocols that aren't as sensitive to brief slowdowns.
Which other notions from computer science can be introduced to this audience in this manner?
I think an introduction to the history of computer science would be worthwhile. Knowing the history of a subject helps with understanding the present state of it and helps give context for the content to be learned.
All power corrupts, but we need electricity.