While HAL's motivations are ambiguous in the film, the novel explains that the computer is unable to resolve a conflict between his general mission to relay information accurately, and orders specific to the mission requiring that he withhold from Bowman and Poole the true purpose of the mission.

Bowman jumps across empty space, reenters Discoveryand quickly re-pressurizes the airlock. Bowman circumvents HAL's control, entering the ship by manually opening an emergency airlock with his service pod's clamps, detaching the pod door via its explosive bolts. When Bowman, without a space helmet, uses another pod to attempt to rescue Poole, HAL locks him out of the ship, then disconnects the life support systems of the other hibernating crew members. HAL 9000 Screensaver v4 - Advanced Edition Full Screen Preview - The HAL Project They attempt to conceal what they are saying, but are unaware that HAL can read their lips.įaced with the prospect of disconnection, HAL decides to kill the astronauts in order to protect and continue its programmed directives. In the film, astronauts David Bowman and Frank Poole consider disconnecting HAL's cognitive circuits when he appears to be mistaken in reporting the presence of a fault in the spacecraft's communications antenna. In the aforementioned game of chess HAL makes minor and undetected mistakes in his analysis, a possible foreshadowing to HAL's malfunctioning. The sequence of events and manner in which HAL is shut down differs between the novel and film versions of the story. However, as time progresses, HAL begins to malfunction in subtle ways and, as a result, the decision is made to shut down HAL in order to prevent more serious malfunctions. In the film, the artificial intelligence is shown to triumph easily. In A Space OdysseyHAL is initially considered a dependable member of the crew, maintaining ship functions and engaging genially with its human crew-mates on an equal footing. The film says this occurred inwhile the book gives as HAL's birth year. The activation year was in earlier screenplays and changed to in Clarke's novel written and released in conjunction with the movie.

HAL speaks in a soft, calm voice and a conversational manner, in contrast to the crewmen, David Bowman and Frank Poole. While part of HAL's hardware is shown toward the end of the film, he is mostly depicted as a camera lens containing a red or yellow dot, instances of which are located throughout the ship.

HAL is a fictional artificial intelligence character and the main antagonist in Arthur C.

Hal 9000 windows 10 theme