GPUs (Graphics Processing Units) are specialized electronic circuits designed to rapidly manipulate and alter memory to accelerate the creation of images and videos. They are optimized for parallel processing and can perform multiple calculations simultaneously, making them ideal for tasks that require large amounts of data to be processed quickly, such as 3D graphics rendering, machine learning, scientific simulations, and cryptocurrency mining. GPUs are commonly found in graphics cards, gaming consoles, and high-performance computing clusters, and are an essential component for many modern technologies that require advanced computing capabilities.