In truth, the system unit is the most important aspect of a consumer-grade computer, at least, for now. Things might change in the future when cloud computing becomes the norm.

Components of a Computer System. ... Whether they're attached to the computer (as in a laptop) or freestanding, there are additional input and output units in a computer.

A Finland-based firm is aiming to increase the performance of the central processing units (CPUs) used in computers by up to 100 times using what the company calls – parallel processing units ...