CPU, that's frequently called just "processor", is an abbreviation for Central Processing Unit. This is the core of each and every laptop or computer or server, due to the fact that it carries out each of the calculations and logical input/output procedures. Even though the performance of an Internet site or an app is determined by other things too, including the amount of physical memory or the connectivity of the web server, the pace at which a certain processor performs determines how quickly a program shall be executed. Later-generation processors have several cores that can drastically boost their overall power and efficiency, because each core can take on a variety of processes independently or a number of cores can take care of one process which needs a sizeable computing power. Due to the fact that every core works at a specific speed, this architecture can be viewed as a number of separate processors cooperating.