Your Cures and Remedies Archive. ï»¿. Hives, also known as urticaria, is an allergic reaction that involves rash and welts appearing in different parts of the skin. Hives are extremely itchy and can either last for a couple of minutes or days before disappearing.ives, also known as urticaria, is an allergic reaction that involves rash and welts appearing in different parts of the skin. Hives are extremely itchy and can either last for a couple of minutes or days before disappearing.
If you want to power or charge a small, AC-based device such as a laptop when power outlets are out of reach, you should get the ChargeTech Portable Power Outlet (27 Ah). Itâs essentially the same thing as a USB-only battery pack, but with higher capacity and an AC outlet.
Home : Hardware Terms : Power Supply Definition. Power Supply. A power supply is a hardware component that supplies power to an electrical device. It receives power from an electrical outlet and converts the current from AC (alternating current) to DC (direct current), which is what the computer requires.