IGNOU PGDGI MGY 103 SOLVED ASSIGNMENT

Included:

MGY 103 2025 - English

Tutor Marked Assignment

MGY-103: Global Navigation Satellite System and Geographic Information System

Course Code: MGY-103

Assignment Code: MGY-103/MSCGI/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.

2. Discuss in detail the application potential of GPS. Give examples where ever required.

3. Distinguish between the following:

a) Field-based and object-based models

b) Raster and vector data structures

4. Write short notes on the following:

c) Coordinate and Datum

d) Sources of Errors in GPS observation

e) Segments of GNSS

f) Organisational aspects of GIS

Part B

5. Discuss direct translation and neural format in data conversion process with the help of neat well-labelled diagrams.

6. What is data quality? Explain the steps followed in calculation and interpretation of  RMSE.

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

b) Difference between raster and vector data

a) Topological models

b) Sources and types of errors in geospatial data

 

MGY 103 (January 2026 - July 2026) - ENGLISH

Tutor Marked Assignment

MGY-103: Global Navigation Satellite System and Geographic Information System

Course Code: MGY-103

Assignment Code: MGY-103/TMA/2026

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 300 and 600 words for short and long answers, respectively.

Part-A

1. Explain the working principle of GNSS. Draw well-labelled diagrams wherever required.

2. Discuss the different procedures used in GPS field survey.

3. Write short notes on the following:

a) Application potential of GNSS

b) Raster data model

4. Briefly answer the following:

a) Components of GIS

b) Indian GNSS programmes

5. Distinguish between the following:

a) C/A-code and P-code

b) Raster and vector data structure

Part-B

6. Discuss the Spaghetti and TIGER data models with the help of neat well labelled diagrams and write their advantages and disadvantages.

7. Describe the various input devices used for raster and vector data.

8. Distinguish between the following:

a) Horizontal and vertical data integration

b) Data accuracy and data consistency

9. Explain the creation of data required for any GIS project with help of neat well-labelled diagrams.

10. Briefly answer the following:

a) Map digitisation

b) Non-spatial data

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