Notebook and laptop computers have these traits: 1) Small: Usually about one foot (30 cm) wide and less than two inches (5 cm) thick. They can fit on a lap. 2) Lightweight: Usually less than 8 pounds for notebooks, and less than 12 pounds for laptops. 3) Portable due to 1) and 2) and being battery-powered. 4) They use an integral, hinged (folding), thin, flat panel display; usually a liquid crystal display: LCD.