Ah, 1983 - the whole movie is a paean to a bygone age. We sat and pointed at all the things that have since passed away: look! a rotary telephone! A dot matrix printer! A military base with only flimsy chicken-wire fencing at the main gate that can be easily crashed through by four people in an open-topped jeep! And not a graphical interface to be seen, just the cool green lines of ASCII on H19 terminals, or something very like.
Although I tell you, what made me laugh the most was this exchange over Professor Falken's obituary:
Jennifer: He wasn't very old.I'll be 41 in a matter of weeks. Heh.
David Lightman: No, he was pretty old. He was 41.
Jennifer: Oh yeah? Oh, that's old.