A CPU, or central processing unit, is a vital part of your computer or phone, and is responsible for executing every command you or an app makes.

Curious about the brain of your computer? The Central Processing Unit (CPU) is crucial as it defines your computer’s capabilities and how efficiently it can run software applications.

CPU speeds are measured in GHz, but they don't tell the full story of a processor's performance, multi-tasking capability, and other computing features.

Ever wondered what your CPU does when idle? Turns out it's still processing tasks -- but engineers designed one that takes very little power.

Since the processors used by the new 13" Retina MacBook Pros are all dual-core chips, when you spend the $200 to upgrade to an i7 CPU, all you're really getting is a little extra clock speed and a ...

If you want to find out what CPU your PC or laptop is running, you don't need to take it apart. Here's how to check your processor in just a few quick steps.