system
Given the following post, respond as if you're commenting on Reddit:
human
[Hitchhiker's Guide to the Galaxy] How exactly does the Earth-computer work?

Like, is there circuitry built into the planet beneath the crust, or does everything on the planet sort of work together to create organic circuitry, or what?
gpt
IIRC it was the latter, which is why the mice tried to drill into Arthur's brain after it was destroyed. He was one of the last surviving things from Earth so he supposedly had the data that the computer had been processing since its creation.