Final answer:
The bus types used for video cards are PCI, AGP, and PCI Express.
Step-by-step explanation:
The bus types used for video cards are: PCI, AGP, and PCI Express. DMI (Desktop Management Interface) is not a bus type used for video cards. PCI (Peripheral Component Interconnect) is a widely used bus type for various devices, including video cards.
AGP (Accelerated Graphics Port) was a popular bus type specifically designed for video cards, although it has been largely replaced by PCI Express, which is the most common bus type for modern video cards.