GIS is a computerized mapping system designed to capture, storage, manipulate, analyze, manage, and present all types of spatial or geographical data on a computer screen.
Before GIS, researchers used films and mylars ot manually overlay spatial information. The integration of spatial information with non-spatial attributes (variable) is a critical component of GIS.
Geographic information technologies are now in common usage in high-income nations for amassing detailed information that has a stationary location in common. They are also being used for the corollary of tracking mobile individuals or objects over space and time.
GIS and related technologies are becoming more available to many users in different disciplines through the World Wide Web.
Geographic Information System
