AI PCs rely on NPUs. So what exactly are these newfangled chips?

CPUs and GPUs are old news. These days, the cutting edge is all about NPUs, and hardware manufacturers are talking up NPU performance. The NPU is a computer component designed to accelerate AI tasks in a power-efficient manner, paving the way for new Windows desktop applications with powerful AI features. All PCs will eventually have NPUs, but at the moment only some laptops have them. Here's everything you need to know about NPUs and why they're such a hot topic in the computer industry right now.