what is core to a computer
Core. 1. In relation to computer processors, a core is the processing unit which receives instructions and performs calculations, or actions, based on those instructions. A set of instructions can allow a software program perform a specific function.Processors can have a single core or multiple cores.. In relation to computer processors, a core is the processing unit which receives instructions and performs calculations, or actions, based on those instructions. A set of instructions can allow a software program perform a specific function. Processors can have a single core or multiple cores.