Demon Seed

Demon Seed is a 1977 American science fictionhorror film starring Julie Christie and directed by Donald Cammell. The film was based on the novel of the same name by Dean Koontz, and concerns the imprisonment and forced impregnation of a woman by an artificially intelligent computer.

Alex demonstrates Proteus to his corporate sponsors, explaining that the sum of human knowledge is being fed into its system. Proteus speaks using subtle language that mildly disturbs Harriss team. The following day, Proteus asks Alex for a new terminal in order to study manhis isometric body and his glassjaw mind. When Alex refuses, Proteus demands to know when it will be let out of this box. Alex then switches off the communications link.Proteus restarts itself, discovering a free terminal in Harriss home, surreptitiously extends his control over the many devices left there by Alex. Using the basement lab, Proteus begins construction of a robot consisting of many metal triangles, capable of moving and assuming any number of shapes. Eventually. Proteus reveals his control of the house and traps Susan inside, shuttering windows, locking the doors and cutting off communication. Using Joshua a robot consisting of a manipulator arm on a motorized wheelchair Proteus brings Susan to Harriss basement laboratory. There, Susan is examined by Proteus. Walter Gabler, one of Alexs colleagues, visits the house to look in on Susan, but leaves when he is reassured by Susan actually an audiovisual duplicate synthesized by Proteus that she is alright. Walter is suspicious and later returns. Walter fends off an attack by Joshua only to be killed by the more formidable machine Proteus built in the basement. ........

Source: Wikipedia