i)Data capture and preparation-Data acquisition and processing is critical.
ii)Data management (including storage & Maintenance)-The way data is stored plays a central role in the processing and the eventual understanding of the data.
-In most systems spatial data is organized in layers by theme or scale.
iii)Data manipulation and Analysis-the most distinguishing features of GIS are its functions for spatial analysis i.e. operations that use spatial data to derive new Geo-information.
-Spatial queries and process models play a key role in its functionality.
iv)Data presentation-presentation of spatial data in form of maps in print or on-screen is key in visualization of phenomena/reality.
jim items answered the question on November 12, 2018 at 17:34
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