Geographic Information System (GIS)
I. Introduction to GIS Definition: A GIS is a computer-based system for capturing, storing, analyzing, and managing data and associated attributes which are spatially referenced to the earth. Uses: GIS is used in many industries, including government, transportation, environment, and others, for decision-making, planning, and management purposes. II. Components of GIS Data: The most important component of GIS is the data. It includes both geographical and non-geographical data. Hardware: GIS requires specialized hardware, including computers, servers, and storage systems. Software: There are many different GIS software programs available, including ArcGIS, QGIS, and others. People: GIS requires skilled professionals, including GIS analysts, cartographers, and geospatial data scientists, to create, maintain, and use the system. III. GIS Data Types Vector data: Vector data represents geographical features as points, lines, and polyggon shapes. Raster data: Raster data represents geogra