BIT 5th Semester
Computer Graphics Board Question Paper 2079

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BIT 304-2079 ✡
Tribhuvan University
Institute of Science and Technology
2079
✡
Bachelor Level/Third Year/Fifth Semester/Science
Bachelors in Information Technology (BIT 304)
(Computer Graphics)
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 Answer Questions
Attempt any Two question.
[2x10=20]
1.

List the major differences between DDA and Bresenham's algorithm. Illustrate the Bresenham's algorithm to the line with end points(10, 6) and (12, 1).

2.

Draw the block diagram of vector and raster graphics display architecture and write the advantages and disadvantage of both display architecture.

3.

How decision parameter can be used to draw circle? Calculate the points to draw a circle having radius 5 and center as (10, 5).

Section B

Attempt any Eight questions

[8x5=40]
4.

Explain how can line method detects the visible surface with example.

5.

Differentiate Phong Shading with Gouraud Shading method.

6.

Explain Cohen-Sutherland line clipping Algorithm.

7.

What is Beizer curve? Describe its properties.

8.

Discuss the use of computer graphics in different areas.

9.

Describe polygon, vertex and edge table of a polygon.

10.

What is boundary representation technique? Explain.

11.

Explain the Phong illumination model for specular reflection.

12.

Write short notes on:
a. Shearing and Scaling
b. Line Clipping