Each Wednesday from Aug. 12 through Sept. 2, the Covington Branch of the Newton County Library System will be holding free computer classes for adults. Each week, different aspects of computer use will be covered. The first class (Aug. 12 at 9:30 a.m., 11 a.m. and 2 p.m.) will be a basic computer class where participants will be introduced to all the components of a computer.