Definition Of Motherboard And The Functions
1. Definition of the Motherboard
A motherboard is the main circuit board inside a computer
that connects the different parts of a computer together.
It has sockets for the CPU, RAM and expansion cards and
it also hooks up to hard drives, disc drives and front panel
ports with cables and wires.
Motherboard is also known as a mainboard, planar board
or logic board, system board, mobo or MB. It links all the
individual parts of a computer together and also, allows
the CPU to access and control these separate parts. Other
than bridging internal components, the motherboard ports
also allows you to connect external devices to the computer.
Such external devices would include the monitor, speakers,
headphones, microphone, keyboard, mouse, modem and other
2. Functions of the Motherboard
The functions of a computer motherboard are as
- The motherboard acts as the central backbone of
a computer on which other modular parts are installed
such as the CPU, RAM and hard disks.
- The motherboard also acts as the platform on which
various expansion slots are available to install other
devices / interfaces.
- The motherboard is also responsible to distribute
power to the various components of the computer.
- They are also used in the coordination of the various
devices in the computer and maintain an interface among
- Some of the Sizes in which the motherboards are
available are : BTX, ATX, mini-ATX, micro-ATX, LPX,