The motherboard is useless without the microprocessor, the motherboard is only used to create the shape of the computer and the plug ins, for example the USB ports. It is also essential to create improvements to the computers performance however it has a limit and anything else must be external. Motherboards are often cooled with a fan and a heat sink. The motherboard is the centre piece in your computer system containing circuits and components either inside the computer or outside. It is sometimes called the main board. The motherboard also has many connectors for example: memory slots, connected to IDE or devices using USBs.