This computer can hold a ton of stuff. Also, this computer contains The Simulation. This computer is contained by the Terminal Nonacontanonagon, as Bongus is its owner. That is how it is able to run a whole simulation on a whim like it can.
The computer is mostly written in the programming language named C, equiped with an extremely powerful RAM, graphics card (just for safe measures, when it's necessary), processor, motherboard, and generally everything a normal computer would need, but ramped up to be excessively powerful.
In comparison to the most advanced technology, like the one in The Alternate, it is not as capable, but it is still very useful and can be helpful in uncountably many ways.