What is the main function of a motherboard in a computer?

• A. Store data
• B. Provide power
• C. Connect all components
• D. Input user commands

Answer: (C)

The main function of a motherboard in a computer is to connect all components. The motherboard acts as the central hub that houses the processor (CPU), memory (RAM), storage devices, and other hardware components. It provides the necessary circuitry and connectors for these parts to communicate with each other, ensuring that data can flow between the CPU, memory, and peripheral devices. In addition, the motherboard also hosts slots for expansion cards, such as graphics cards and sound cards, which can enhance a computer's capabilities.

In contrast, while data storage is a function of separate storage devices like hard drives and SSDs, the motherboard itself does not store data. Providing power is a function associated with the power supply unit, which distributes power to the motherboard and its connected components. Inputting user commands is the role of input devices (like a keyboard or mouse) rather than the motherboard itself, which simply facilitates communication between these input devices and the CPU for processing the commands.