These days, video cards are virtually supercomputers. When they aren’t driving your screen, they are decoding video, crunching physics models, or processing large-language model algorithms. But it ...
I have an old CRT. I think it's an Apple Multiple Scan 15 (I'm away from home so I can't check). It came with a Power Mac 6100/66 and required an adapter to plug into that odd HDI-45(?) socket.
In the world of PC graphics, the early standards followed the various video cards of the day. There was MDA, familiar through the original text-based DOS prompt, CGA, then EGA, and the non-IBM ...