Answer:
1. all of these answers
Explanation:
Motherboard -
A motherboard is present in the computer system , and is also called as the system board or the main board.
It is the main printed circuit board which consists of some buses , i.e. the electrical pathways .
The bus enables the transfer of data between different components of the computer.
The motherboard consists of CPU , PCI slot , RAM , chipset , BIOS chip , heat sink , expansion slots.
