What is a CPU?

$q,$

The actual hardware that interprets and executes the program $($software$)$ instructions and coordinates how all the other hardware devices work together

The computer's main memory, which consists of the random access memory $($RAM$),$ cache memory, and the read$-$only memory $($ROM$)$ that is directly accessible to the central processing unit $($CPU$)$

Equipment designed to store large volumes of data for long$-$term storage

Equipment used to capture information and commands