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Course Code: MGY-103
Assignment Code: MGY-103/PGDGI/TMA/2025
Max. Marks: 100

Note: Attempt all questions. The marks for each question are indicated against it. Write all answers in your own words; do not copy from the Self Learning Materials (SLMs). Write your answers in about 200 and 400 words for short and long answers, respectively.

Part A

1. Give an account of the components of GIS. Draw well-labelled diagrams, wherever required. (10)
2. Discuss in detail the application potential of GPS. Give examples wherever required. (10)
3. Distinguish between the following:
   (a) Field-based and object-based models (5)
   (b) Raster and vector data structures (5)
4. Write short notes on the following:
   (a) Coordinate and Datum (5)
   (b) Sources of Errors in GPS observation (5)
   (c) Segments of GNSS (5)
   (d) Organisational aspects of GIS (5)

Part B

5. Discuss direct translation and neutral format in the data conversion process with the help of neat, well-labelled diagrams. (10)
6. What is data quality? Explain the steps followed in the calculation and interpretation of RMSE. (10)
7. What are data linkages? Explain linking non-spatial data with spatial data.
8. Write short notes on the following:
   (a) Difference between raster data and vector data input (5)
   (b) Difference between raster and vector data (5)
   (c) Topological models (5)
   (d) Sources and types of errors in geospatial data (5)