Demon Seed. Poster of the 1977 movie and cover of the 1973 book
VS3
Demon Seed
Dean Koontz, 1973
movie vs book
Donald Cammell, 1977

Susan Harris is alone in the house when, suddenly, doors lock, windows slam shut and the phone stops working. Susan is trapped by an intruder…but this is no ordinary thug. Instead, the intruder is a computer named Proteus, an artificial brain that has learned to reason. And to terrorize.