===== Central Processing Unit (CPU) ===== [[dido:public:ra:xapend:xapend.a_glossary:start| Return to Glossary ]] **Central Processing Unit (CPU)** is the primary component of a computer that processes instructions. It runs the [[dido:public:ra:xapend:xapend.a_glossary:o:os|operating system]] and [[dido:public:ra:xapend:xapend.a_glossary:a:application|applications]], constantly receiving input from the user or active software programs. It processes the data and produces output, which may stored by an application or displayed on the screen. Source: [[https://techterms.com/definition/cpu |Central Processing Unit (CPU) ]]