The DemoScene has existed forever... well before computers, lathes, etc... all the way back to "Look at the way these pictures come to life and dance around when the torch flickers inside this cave"
The "scene", no, but demos? Arguably, yes. The demo scene was little but the evolution of demonstrations of tech or art from doing it as e.g. part of a product demonstration or research to doing it as art or for reputation.
Also, in the scene events they often have ANSI art competitions on the program but even before colors and computers people were using typewriters to make character based artwork. So in a sense, the ANSI art art form predates computers. Somewhat.
