Dictionary: expansion - noun The act or process of expanding
In this case you are expanding the capability of your motherboard. Though you didn't mention what type of expansion slot. ISA, PCI, PCI-E or AGP? These ports allow you to add more graphics cards, extra communication ports, network ports, flash memory boards, extra sata/scsi/ide controllers.
expansion slot
Generally somewhere on the motherboard.
expansion slots are found on the motherboard
The expansion slot is the socket on the motherboard that can hold an adapter card. There are different types of expansion slots (pci, pcie, pciex16) so you need to check that the expansion is the same kind as the adapter card.
The answer is the motherboard.
location on the motherboard into which a controller card for a peripheral device is stored
it is used to connect expansion cards to the Motherboard
NO my dear
The layout, or form factor, determines what sort of case the motherboard needs and provides a maximum expansion slot limit
It is used to add an internal Graphics card on the AGP slot
Motherboard in which all the peripheral are connected such as processor,memory and expansion slot
It is a slot for things like Graphics cards and sound cards to fit in, its faster than a normal expansion slot and usually a motherboard will have 2-3.