Which of the following best describes the motherboard's function?

The motherboard serves as the central backbone of a computer, connecting all vital components such as the CPU, memory, storage devices, and peripheral devices. It facilitates communication between these components, allowing them to work together effectively. This interconnectivity is essential for the system to function as a cohesive unit, enabling data transfer and coordination of tasks among the various hardware parts.

The option concerning delivering power touches upon one aspect of the motherboard's responsibilities, but it does not encompass the primary role it plays in connecting components. While the motherboard does help distribute power from the power supply to the components, its more significant function revolves around enabling the communication and interaction between them.

The choice regarding executing software applications pertains more to the role of the processor (CPU) and the operating system, not the motherboard itself. Similarly, the option about storing user data refers to storage devices like hard drives or SSDs, rather than the motherboard's function. Therefore, the best representation of the motherboard's function is its role in connecting the various components of the computer system.