What is the CPU on a computer? The Central Processing Unit, or CPU, is the part of a computer that handles the most important tasks. It is the “brain” of the computer, performing calculations, controlling communication, and running programs.

In the early days of computing, the CPU was a single chip. Today, CPUs are often multi-core, meaning they have multiple processors on a single chip. This allows them to handle more tasks at once, making them better suited for multitasking and complex operations.

The speed of a CPU is measured in gigahertz (GHz). The higher the GHz, the faster the …