Colossus: The Forbin Project (1970)

Colossus:_The_Forbin_Project was quite a fascinating AI themed movie at the dawn of the 1970s.

https://en.wikipedia.org/wiki/Colossus:_The_Forbin_Project#Plot

https://thedigitallabyrinth.blogspot.com/search?q=Colossus+Supercomputer