When computers went into artist studios, it was a major change and a major shift. The Apple II (1977), Commodore 64 (1982) and Commodore Amiga (1985) all represent enough of a change, moving out of the research labs and into artist studios, that it's a whole other era.
Casey Reas, Casey Reas on the History of Generative Art - Part 2
So I had a class called Creative Computer Imaging that we went through the processes of visual imaging, and this was using the Apple IIe and the video digitizer.
Joan Truckenbrod, The 1970s Artist-Programmer: Truckenbrod, Dehlinger