I’m too young to have experienced the transition, but were there cables that could fry your computer? https://arstechnica.com/gadgets/2016/02/google-engineer-find...
The joke was you could fry an egg on your CPU because it got so hot:
https://www.theregister.co.uk/2002/03/01/how_to_fry_an_egg/ http://www.phys.ncku.edu.tw/~htsu/humor/fry_egg.html