"A geographic information system (GIS) is a computer system designed to capture, store, manipulate, analyze, manage, and present all types of geographical data."
"A geographic information system (GIS) lets us visualize, question, analyze, interpret, and understand data to reveal relationships, patterns, and trends."
GIS on campus at The University of Iowa typically falls under the software package ArcGIS, from ESRI (including ArcMap, ArcCatalog, etc.), though there are additional resources including various types of remote sensing software, available in specific computer labs. Learn more.