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  1. What is a geographic information system (GIS)?

    A Geographic Information System (GIS) is a computer system that analyzes and displays geographically referenced information. It uses data that is attached to a unique location.

  2. What is GIS? | Geographic Information System Mapping Technology - Esri

    GIS is a technology that is used to create, manage, analyze, and map all types of data. GIS connects data to a map, integrating location data (where things are) with all types of descriptive information …

  3. What is GIS? - University of Wisconsin–Madison

    Oct 15, 2025 · A geographic information system (GIS) is a system designed to capture, store, manipulate, analyze, manage, and present all types of geographical data. The key word to this …

  4. Geographic information system - Wikipedia

    Basic GIS concept A geographic information system (GIS) consists of integrated computer hardware and software that store, manage, analyze, edit, output, and visualize geographic data. [1][2] Much of …

  5. What Is GIS Data? Definition, Types, and Real-World Examples

    Dec 12, 2025 · Geographic Information Systems (GIS) power the modern world—from navigation apps to environmental modeling, utility management, and national security. At the center of these systems …

  6. What is GIS? Geographic Information Systems - GIS Geography

    Jun 1, 2025 · GIS stands for Geographic Information Systems. A GIS stores, analyzes, and visualizes data for geographic positions on Earth’s surface. It’s a computer-based tool that examines spatial …

  7. What is a geographic information system (GIS)? - IBM

    What is a GIS? Geographic information systems (GIS) are computer systems that produce connected visualizations of geospatial data —that is, data spatially referenced to Earth. Beyond creating …

  8. About GIS at NASA - Earthdata

    A Geographic Information System (GIS) is a computer system that analyzes and displays geographically referenced information from a variety of data sources to map and examine changes on Earth.

  9. What is GIS? An Introduction - GISDegree.org

    GIS computer programs allow users to manage, store, create, edit, and display spatial data, which includes a location component as well as descriptive or quantitative information.

  10. GIS Data - Definitions & FAQs | Atlas

    GIS Data, short for Geographic Information Systems data, is a type of data that is specifically designed for use in digital mapping software. It is spatial data that is collected, compiled, and stored in a way …