https://www.coasttocoastam.com/show/2024-12-25-show/
https://www.coasttocoastam.com/guest/zicree-marc-6291/
The episode Execution_(The_Twilight_Zone) from April 1960, seemed to depict something like a desktop_personal_computer with a flat screen .
https://www.imdb.com/title/tt0734567/mediaviewer/rm2366755585 Even a decade after this TZ episode the 1970 Datapoint_2200 had a very small screen. https://en.wikipedia.org/wiki/Datapoint_2200
https://en.wikipedia.org/wiki/Execution_(The_Twilight_Zone)#Plot
https://thedigitallabyrinth.blogspot.com/search?q=Rod+Serling