"GIGO" redirects here. For the protein subunits, see Gi/Go. For the Japanese arcade chain GENDA GiGO, see Sega World. In computer science, garbage in, garbage out (GIGO) is the concept that flawed, biased or poor quality ("garbage") information or input produces a result or output of similar ("garbage") quality. The adage points to the need to improve data quality in, for example, programming. Rub