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.
Hereâs an overview of the most common computer cable types youâll encounter when dealing with computers. VGA (Video Graphics Array) Created way back in the 1980âs, the VGA connection cable was the standard cable used to connect a computer to a monitor. More recently, it has faded out of popularity due to the gradual shift towards digital connections over analog.