The following are Wikipedia entries that should help you learn more about GIS.
· Atlas
· Digital elevation model – DEM
· Digital Line Graph – DLG
· Digital Orthophoto Quadrangle – DOQ
· Digital Raster Graphic – DRG
· Geographic information system – GIS
· GeoTIFF
· Global positioning system – GPS
· Historical geographic information system – HGIS
· Latitude
· Map
· Spatial Data Transfer Standard – SDTS
· Topo map
· Topologically Integrated Geographic Encoding and Referencing – TIGER, TIGER/Line
· United States Geological Survey – USGS
· Universal Transverse Mercator – UTM
Hassan Samson Mshelia
GIS Specialist
Msheeli GisLite