What is the main board in a computer called?

The main board in a computer is known as the motherboard. The motherboard serves as the central hub that connects all the components of a computer system, including the CPU, RAM, storage devices, and expansion cards. It provides the necessary circuitry and pathways for data to flow between these components, allowing the computer to function cohesively.

The motherboard houses essential features such as the system’s chipset, which determines how different parts of the computer communicate with one another, and slots for connecting various peripherals and additional cards, like graphics or sound cards. Its role is critical in determining the capabilities and performance of the entire system, making it the foundational building block of a computer.

In contrast, an expanded board is not a standard term in computer architecture, a graphics card primarily handles rendering images and video, and a network card is specifically designed for connecting a computer to a network. Each of those components serves specific functions but does not fulfill the central role of connecting and managing all other components as the motherboard does.