The document discusses CUDA core processors and GPUs. It defines processors as computers' brains that control tasks and prioritization. Cores are microprocessors inside CPUs, with examples given for single, dual, quad, hexa, and octa core models. GPUs have massively parallel architectures and are found in video cards and game consoles. CUDA is a programming model that uses GPUs to dramatically increase computing performance through parallel processing. Nvidia invented GPUs and leads in visual computing. CUDA allows C programs to harness thousands of GPU threads for parallel computing.