what does "computer cube" mean?

Question

please tell me in plain english, thanks!

Answer 1

Perhaps, you're actually asking about the Hypercube computer:
http://en.wikipedia.org/wiki/Parallel_computer

It's a form of parallel computer. There are various architectures that each have specific advantages. The Hypercube computer is intended to exploit the 3rd dimension, to further increase connectivity between computers and to further distribute computing load.