to deliver data more faster
pci bus
PCI
The slot which the video card needs to work. The slot is usually either an AGP slot (which is currently outdated), or the more recent PCI-E slot, which all new graphics cards nowadays use.
normally the PCIE slot
bus
PCI
A video card is plugged into an expansion slot on the peripheral bus. The exact type of peripheral bus slot varies according to the type of motherboard used. Originally, video cards were plugged into an ISA slot. Eventually they went in PCI slots, then AGP slots, and today, PCI-Express slots. Regardless of the type of peripheral bus interface, the peripheral bus connects peripheral cards, also called expansion boards, with the system chipset.
You can connect an audio card or a modem card to an audio/modem riser (AMR) slot.
bus I'm not giving you all of your CompTIA A+ answers... The answer is "bus"
A bumby strip on the edge of the CardBus prevents it from being inserted into the slot.
Host Adapter
VESA