GIS consists of two distinct disciplines, namely, geography and information system. Information system refers to a system containing electronic records, which involves input of source documents, records on electronic media and output records, along with related documentation and any indexes. GIS is a computer based information system used to digitally represent and analyse the geospatial data or geographic data. Geospatial means the distribution of something in a geographic sense. It refers to entities that can be located by geographic coordinate system. GIS is a particular form of information system applied to geographical data.

Concept of Remote sensing    • Remote sensing in hindi | Process of ...  


Remote sensing platforms:    • Remote Sensing Platforms in Hindi || ...  

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History of Remote Sensing:    • Chronology of Remote Sensing in Hindi...  

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