Geographic Information Systems (April – 2014) [CBSGS - 60:40 Pattern | Question Paper]

Geographic Information Systems (April - 2014) [CBSGS - 60:40 Pattern | Question Paper]

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Time: 2 ½ Hours
Total Marks: 60

NOTE:
(1) All Question are Compulsory.
(2) Make Suitable Assumptions Wherever Necessary And State The Assumptions Made.
(3) Answer To The Same Question Must Be Written Together.
(4) Number To The Right Indicates Marks.
(5) Draw Neat Labeled Diagrams Wherever Necessary.
(6) Use of Non-Programmable Calculator is allowed.

Q.1 Attempt Any Two Questions: (10 Marks)

(A) What is GIS? What are the different applications of GIS?

(B) What is Map Projection? What are the commonly used Map Projections?

(C) Describe projected coordinated system and also explain what Conversion between Data is?

(D) How is Data Structure represented in Geo-Database Data Model?

Q.2 Attempt Any Two Questions: (10 Marks)

(A) Write short notes on:

      (i) U.S. geological Survey

      (ii) Federal Geographic data Committee

(B) How to create geospatial data? Explain any two methods.

(C) Explain affine transformation.

(D) What is bilinear interpolation? Using bilinear interpolation method find the value of x in the following figure:

Q.3 Attempt Any Two Questions: (10 Marks)

(A) How are the attributes of Geospatial Data represented and how is it managed?

(B) Explain the Colour Schemes and its use in Maps.

(C) Describe the types of relationships that exist between the Relational Data.

(D) Write a short note on Typography and its type variations.

Q.4 Attempt Any Two Questions: (10 Marks)

(A) How Descriptive Statistics is used in Data Exploration? Also state any two types of Graphs used for Data Representation and Analysis.

(B) What is Spatial Data Query? What are the various methods of feature selection?

(C) Describe Query by Cell Value with an example.

(D) How Map Comparison can be used for Data Exploration?

Q.5 Attempt Any Two Questions: (10 Marks)

(A) Explain Buffering and how it is helpful in Vector Analysis.

(B) What is Overlay? How are slivers related with Overlays?

(C) Explain Neighbourhood Operation in Raster Analysis and calculate the same for the following data:

(D) Differentiate between physical distance and cost distance.

Q.6 Attempt Any Two Questions: (10 Marks)

(A) What is Spatial Interpolation? What are the different types of Spatial Interpolation?

(B) Find the unknown value at 0 with the known values given as below:

(C) What are Thiessen Polygons? Give an example.

(D) Explain the use of Thin Plate Splines.