What is a complex instruction set computer chip?

Question $42$ options:

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

interprets software instructions and literally tells the other hardware devices what to do$,$ based on the software instructions

a type of CPU that can recognize as many as $100$ or more instructions, enough to carry out most computations directly

performs all arithmetic operations $($for example, addition and subtraction$)$ and all logic operations $($such as sorting and comparing numbers$)$