A Geographic Information System (GIS) is a computer-assisted system for handling spatial
information. GIS software can be considered as a collection of software programs to acquire,
store, analyze, and display information. The input data can be maps, charts, spreadsheets, or
pictures. The GIS software can analyze these data using image processing and statistical
procedures. Data can be grouped together and displayed as overlays. Overlays could be
information such as soil type, topography, crop type, crop yield, pest levels, irrigation, and
management information