What does AC adapter mean?

AC adapter meaning in Computer Science Dictionary

instead known as an AC/DC adapter, AC converter or charger, an AC adapter is an external power used in combination with devices that run-on battery packs or do not have various other energy resource. AC adapters help reduce how big a laptop computer system by relieving the necessity for a typical sized power. As shown into the image, an AC adapter comprises of a central product whenever attracts power from an outlet, and a second cable which plugs into the pc.