I think futuristic computer UIs in TV and films before computer graphics would make for a fascinating topic. For example, the computer UI in the BBC TV series The Hitchhiker's Guide to the Galaxy deserves a mention.
The low-budget series was broadcast in 1981 - a time when computer graphics were limited and not widespread in TV and film. All the "computer graphics" were hand animated to simulate a computer display. The "computer" graphics still stands up brilliantly more than 40 years later: