What Is a Quad Core Processor?

A quad-core processor is a chip with four independent units called cores that read and execute CPU (central processing unit) instructions such as add, move data, and branch.

Your smartphone’s core processing speed is important. Single. Duo. Quad. What is your smartphone capable of and what does it all mean?

At one point, our computers had a central processing unit (CPU) with a single core. These days, most CPUs you'll come across are dual core, quad core, or even octo core. We'll explain exactly what a core is, dual core vs quad core, and how this all impacts your real-world computer usage. The answers aren't…