The piece of hardware that contains the circuitry that processes the information coming in to the computer and tells the other hardware what to do is called the

A. hard drive.
B. operating system.
C. central processing unit.
D. input device.

C. central processing unit.

The piece of hardware that contains the circuitry that processes the information coming in to the computer and tells the other hardware what to do is called the central processing unit or CPU. So, the correct answer is C. central processing unit.