Question: what are the different parts of motherboard and their functions?
Answer: BIOS And CMOS. BIOS or Basic Input Output System is where all the information and settings for the motherboard are stored. ... 
Input/Output Ports. ... 
IDE And SATA Connector (Storage Device Connectors) ... 
Power Connectors. ... 
Front I/O Connectors. ... 
CPU Socket. ... 
Expansion Card Slots. ... 
RAM (Memory) Slots.