Vadwuar race page.
Federation race page.
Seven of Nine page.
Individual cubes and sphere pages.
Well, maybe I don’t understand the question completely. I’ll give my opinion.
Yes they have data nodes which we’ve seen store spatial charts, drone manifests, Sensor Telemetry, assimilation logistics and flight plans of other Borg ships. (Dark Frontier)
The problem I have with data nodes is the collective has absolutely no need for such a data storage device. Due to the hive mind connection all data is accessible at any time by anyone, anywhere.
The only theory I have is the they function as a black box in the rare event the collective connection was disrupted and therefore serve as a means of establishing what happened to derelict or disabled vessels.
The only other cores are the Vinculum which just filters relevant Information from newly assimilated sources and the central plexus which apparently is the device which links every ship to the hive mind.
To answer directly I think the hive mind ‘is’ indeed their computer core and the Information isn’t stored anywhere but in the minds of the entire collective together giving other races effectively nothing to hack and no means by which to acquire information without sacrificing themselves and becoming a drone themselves.
I honestly had always thought the Borg had begun as a medical treatment gone wrong and had originally used nanoprobes to cure disease or prolongue life but as nano probes were only introduced in the Voyager era that theory was shot down. Then I thought maybe they were originally an empire which used advanced robotics as a means of creating super soldiers but again the queen shot that down with then we evolved to I clued the synthetic.
I'd say the best explanation was originally a terminator style sentient AI created by a dieing race to co to continue the fight avter their extinction, which went on to conquer its enemy, neighbouring systems and eventually the rest of the galaxy. I presume the goals of perfection were later adopted by the Queen's personal ideology being a species with an enormous cranial capacity I'm assuming her ambition for perfection and knowledge gathering became the goal ther-after.
Vadwuar race page.
Federation race page.
Seven of Nine page.
Individual cubes and sphere pages.