Semester
Subject
Year
Tribhuwan University
Institute of Science and Technology
Model
Bachelor Level / Third Year / Sixth Semester / Science
Bachelors in Information Technology (BIT355)
(Geographical Information System)
Full Marks: 60
Pass Marks: 24
Time: 3 Hours
Candidates are required to give their answers in their own words as for as practicable.
The figures in the margin indicate full marks.
Section A
Long Answers Questions
Attempt any TWO questions.
[2*10=20]
1.
What is Spatial Data Model? Explain vector data model and raster data model with application area.[10]
2.
What is remote sensing? Explain the Components of remote sensing.[10]
3.
What are the components of GIS? Explain all in brief.[10]
Section B
Short Answers Questions
Attempt any Eight questions.
[8*5=40]
4.
What is Topology? Explain the importance of topology in GIS. [5]
5.
Define a buffer zone. Describe and explain three variations in buffering. [5]
6.
Refer to the following figure, draw a quadtree, and code the spatial index of the shaded (spatial) feature.
[5]
7.
What do you understand by Local Raster operations? Explain with example [5]
8.
What is overlay? Explain overlay operations: point-in-polygon with example. [5]
9.
What is Coordinate system? Explain the difference between Geographic coordinate system (GCS) and Projected coordinate system (PCS). [5]
10.
Explain the Open Vs Commercial GIS Program with example. [5]
11.
What is projection? How do you import GPS file to make shape file. Explain the steps. [5]
12.
Write short notes on: TIN Write short notes on: DEM [2.5+2.5]