Re: @Cranky_Yank - IBM loved 2001
>Come on. That' be HPA, HPAC or HPC
None of which lend themselves to single-syllable pronunciation.
Clarke and Kubrick were writing a movie. That we all know of HAL is good evidence that they did their jobs well.
"Open the pod bay doors, Aitch-pee-ai-see" would detract from the drama.