Geographic Information System Flashcards, test questions and answers

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What is Geographic Information System?

A Geographic Information System (GIS) is a computer system used to capture, store, analyze, manage and present spatial or geographic data. GIS data can include maps, satellite imagery, aerial photography and other forms of information related to physical geography. GIS technology has been used in many different fields including urban planning, environmental management and public health. GIS is an integral part of our everyday lives; it helps us understand the world around us through visualizing where things are located in relation to other features in the environment. GIS allows users to create maps that show relationships between different types of data. For example, a map might show population density overlaid with environmental variables such as water quality or land use patterns. This type of analysis can help planners make decisions about how best to protect their communities from natural disasters or improve transportation networks for economic development purposes. In addition to its analytical capabilities, GIS also provides tools for creating visuals that are useful for communication purposes. For instance, mapping software programs allow users to generate professional-looking graphics that illustrate complex ideas quickly and clearly without having to be an expert cartographer or graphic designer. This makes it easier for people who don’t have specialized training or expertise in this field to produce visuals that effectively explain their points of view on a specific issue or project. Overall, Geographic Information Systems (GIS) offer powerful analytical capabilities and visualization tools that enable people from all backgrounds and professions to understand the world around them more effectively by looking at data spatially rather than conceptually only.