I have always heard that the name HAL was taken from stepping down one letter from the computer manufacturer IBM (I - H, B - A, M - L)
The in-story justification is that it stands for Heuristic Algorithm, which is kind of clunky and awkward, but then we're talking about computer nerds here, the same people who came up with names like SNOBOL to stand for "string-oriented symbolic language" (huh?), so it's possible.
2001: A Space Odyssey
odyssey
Odyssey
a computer
2001 : A Space Odyssey has a G rating.
United States Spacecraft Discovery One
The HAL 9000 .
2001: A Space Odyssey
HAL is the onboard computer that goes crazy in the Arthur C. Clarke novel, and movie "2001 - A Space Odyssey".
The film 2001: A Space Odyssey appeals to both genders .
HAL9000 was the intelligent (and eventually murderous) computer that ran the space ship in Stanley Kubrick's 2001: A Space Odyssey.
The spaceship in 2001: A Space Odyssey is called Discovery One.