But the computer processor, or a CPU, is one of the most important inventions of the modern era, and the increasing power of the best processors and their evolution is what makes everything from ...

What is a CPU? That's not an existential question, but your device would be lost without it. Here's what it does and why picking the right one is so important.

The CPU and motherboard are two distinct components in a computer system that serve different functions. The CPU is often referred to as the "brain" of the computer.