What microchip manages data communication between the CPU and motherboard?

The microchip that manages data communication between the CPU and motherboard is the Input/Output Controller Hub, commonly referred to as the I/O Controller. This hub plays a crucial role in facilitating communications between the CPU and peripheral devices, as well as managing interactions with memory, storage devices, and other components on the motherboard. By integrating functions related to data management, the I/O Controller Hub helps streamline processes within the computer system, ensuring that information is efficiently communicated to and from the CPU.

In contrast, the other choices serve different functions within a computer system. The Graphics Processing Unit is primarily responsible for rendering images and video, which is not directly related to data communication with the motherboard. The Memory Controller manages data between the CPU and the system's memory, focusing specifically on how memory is accessed rather than communication with the entire motherboard. The Power Management Chip is designed to regulate power supply and consumption, ensuring efficient power distribution but does not handle data communication tasks. Each of these components performs essential roles, but the I/O Controller Hub is specifically tasked with managing communication between the CPU and other motherboard components.