what is GIS

The full form of GIS is the Geographic Information System. It is an Information system designed to work with data references by Geographical or Spatial Coordinates.


Geographic Information System

Geographic– data collected is associated with some location in space.


Geographic Information System

Information– attributes, or the characteristics (data), can be used to symbolize and provide further insight into a given location.


Geographic Information System

System– a seamless operation linking  the information to the geography, which requires hardware, networks, software, data, and operational procedures.


How GIS work

GIS technology applies geographic science with tools for understanding and collaboration. It helps people reach a common goal: to gain actionable intelligence from all types of data.


Meaning of GIS

GIS is a computer-based system including software, hardware, people, and geographic information. GIS can create, edit, query, analyze, and display map information on the computer.


Components of GIS

The 5 main Components of Geographic Information Systems are:
Hardware
Software
Procedure
Data
User


GIS data Types

Basically two types of GIS Data;
Raster
Vector



Applications of GIS

Environmental and Natural Resource
Agriculture
Land use planning
Mapping
Transportation
Urban Planning


National Geographic Explorers use GIS

Discover the power of geography in this series of video shorts by National Geographic and Esri, featuring te using GIS to map a better future.