Diver down flag. A diver down flag, or scuba flag, is a flag used on the water to indicate that there is a diver below. Two styles of flag are in use. Internationally, the code flag alfa/alpha, which is white and blue, is used to signal that the vessel has a diver down and other vessels should keep well clear at slow speed.
Familiarize yourself with some friendly network cables and take a closer look at common types of network media, including twisted-pair cable, coaxial cable, fiber-optic cable, and wireless.
USB Data Cables. USB or Universal Serial Bus is a common PC connection standard that lets you attach a variety of peripherals including hard drives, mice, keyboards and media players. USB connectors come in several variations, known as Type A, Type B and so on.f a cable has one kind of connector on one end and a different one on the other, you can bet itâs an adapter of some sort. Samsung makes adapters that can help you take full advantage of your devices and solve innumerable interconnection problems. They come in a few major categories: 1  Connection adapters.