Motherboard
Motherboard
The central circuit board that connects all of a computer's components.
In Simple Terms
A motherboard is the large board that brings together every part a computer needs and lets them work as a single machine. For example, the CPU (the computer's brain) and memory (which temporarily stores data) plug directly into this board. It also acts like a set of roads, delivering power to each component and carrying data between them — without it, a computer would just be a pile of disconnected parts.
Behind the Name
The name comes from the idea of it being the "parent" board. Small expansion boards that plug into it are called daughterboards, so the main board that hosts them earned the title of motherboard — the "mother" of the system. Because it also serves as the foundation that holds every component, it's sometimes called the mainboard too.
Take a Closer Look!
A motherboard is the largest circuit board in a computer or similar electronic device, and its job is to bring all the major components together and connect them.
Without it, every component would be isolated and nothing would work.
All the parts cooperate with each other through this board, and that's what lets a computer function as a whole.
Put simply, think of it as a huge city where every part is connected and constantly exchanging information.
The CPU (the computer's brain) and memory (which stores data) are mounted directly onto the motherboard.
Only once all these parts gather on the motherboard can it handle complex calculations and tasks.
Every one of these components draws power from the motherboard and exchanges data with each other at high speed.
The surface of the board is covered with dedicated slots for plugging in parts and thin traces that carry electricity.
Because of this, the type of motherboard determines how many components it can hold and how much processing power the whole computer ends up with.