Answer Description
BNC (Bayonet Neill–Concelman) connectors are used with coaxial cables, found in broadband internet and cable TV. Molex is a connector used between power supplies and internal components like disk drives. SATA and PATA are used to transfer data between components like the motherboard and disk drives.
Wikipedia
The BNC (Bayonet Neill–Concelman) connector is a miniature quick connect/disconnect radio frequency connector used for coaxial cable. It features two bayonet lugs on the female connector; mating is fully achieved with a quarter turn of the coupling nut. BNC connectors are used with miniature-to-subminiature coaxial cable in radio, television, and other radio-frequency electronic equipment, test instruments, and video signals. The BNC was commonly used for early computer networks, including ARCnet, the IBM PC Network, and …
BNC connector - Wikipedia, the free encyclopedia