|What is GIS?|
A Geographic Information System (GIS) is a computer system that stores, manages, maps and analyzes geographic data. Geographic data combines and links graphic representations of "features", or "events" found on the earth with corresponding tabular data, which is also called attribute data. The following example illustrates this concept with schools. Schools are represented here by single point locations. In a single record of information, each point has associated with it not only its exact location on the earth but also information about the school, such as its name, and the type of school it is.