Computer Hardware
Motherboard
Definition
A motherboard is the main printed circuit board (PCB) in general-purpose computers and other expandable systems. It holds and allows communication between many of the crucial electronic components of a system, such as the central processing unit (CPU) and memory, and provides connectors for other peripherals.
Why It Matters
The motherboard is the central hub that connects everything in a computer. The choice of motherboard determines which CPU, RAM, and other components are compatible with your system.
Contextual Example
The CPU is installed into a socket on the motherboard, RAM sticks are inserted into slots, and the graphics card plugs into a PCIe slot. The motherboard provides the electrical pathways for all these components to communicate.
Common Misunderstandings
- The motherboard is also known as the mainboard, system board, or mobo.
- Different motherboard "form factors" (like ATX, Micro-ATX) determine the board's physical size and layout.