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Basic Questions Related to GIS / Common Terminology of GIS

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  Terminology/Basic Questions  Related To GIS What is GIS Shapefile & Grids Vector & Raster DEM & TIN Coordinate Systems Classification of Coordinate Systems Other File Formats Raster or Vector ? DEM or TIN ? Other Basic Questions 1.1. GIS GIS      A  geographic   information   system  (GIS),  also  known  as  a geographical  information   system, is an information  system  for capturing, storing, analyzing, managing and presenting data  which are spatially referenced (linked to location) 1.2.Shape file & Grids Coverage   : In geographic  information  systems, a coverage  is a mapping of  one  aspect  of  data   in  space.  It  represents  a  "domain"  (the  universe  of extent)  in  terms  of   characteristics  expressing  a...