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My understanding is that Clarke actually meant HAL to mean Heuristically programmed ALgorithmic Computer.
Although appearing and sounding robotic, HAL was not really a traditional robot with a moving body. HAL was an acronym that stood for "Heuristically programmed ALgorithmic computer.
And then, holy sh*t, Jobs becomes HAL 9000 from the movie 2001: A Space Odyssey? Yup, Jobs continues the war of words as a “heuristically programmed algorithmic computer.
Hal is perhaps the most famous AI turned bad. Created by Arthur C Clarke for the book and film 2001: A Space Odyssey, Hal stands for Heuristically Programmed Algorithmic Computer.