You've probably heard the acronym CPU lots of times when you went out hunting for a laptop or desktop computer to buy. Quite often, the type of CPU in the device will be mentioned as part of the specs ...

A CPU, or central processing unit, is like the brain of any computer or mobile device. CPUs receive data from every other part of the device, and then decide how and when to launch apps, display ...

Under normal circumstances, the CPU in your desktop PC generates modest amounts of heat; a smart fan on top of the CPU runs just fast enough to keep it cool. At this speed, you barely hear the fan.

Undervolting your CPU can be a great way to improve its operating temperatures and reduce its power draw, but if your chip is running too hot and heavy most of the time, undervolting can actually ...