Answer:
Motherboard The main circuit board of a microcomputer. The motherboard contains the connectors for attaching additional boards. Typically, the motherboard contains the CPU, BIOS, memory, mass storage interfaces, serial and parallel ports, expansion slots, and all the controllers required to control standard peripheral devices, such as the display screen, keyboard, and disk drive. Collectively, all these chips that reside on the motherboard are known as the motherboard's chipset. On most PCs, it is possible to add memory chips directly to the motherboard. You may also be able to upgrade to a faster PC by replacing the CPU chip. To add additional core features, you may need to replace the motherboard entirely. The function of the motherboard lies within the name of the part itself: it's a board (specifically, a circuit board) and it's the mother of everything in your computer - all connections have to go through it. Video hardware is plugged into it. The DVD drive is plugged into it. The scanner plugged into your USB hub? That hub is plugged into the motherboard.
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