Questions
Syllabus
Qns. By Syllabus

Semester

Subject

Year

Tribhuwan University

Institute of Science and Technology

2079

Bachelor Level / Third Year / Fifth Semester / Science

Bachelors in Information Technology (BIT304)

(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 Answers Questions

Attempt any TWO questions.
[2*10=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).[10]
2.
Draw the block diagram of vector and raster graphics display architecture and write the advantages and disadvantage of both display architecture.[10]
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).[10]
Section B

Short Answers Questions

Attempt any Eight questions.
[8*5=40]
4.
Explain how can line method detects the visible surface with example. [5]
5.
Differentiate Phong Shading with Gouraud Shading method. [5]
6.
Explain Cohen-Sutherland line clipping Algorithm. [5]
7.
What is Bezier curve? Describe its properties. [5]
8.
Discuss the use of computer graphics in different areas. [5]
9.
Describe polygon, vertex and edge table of a polygon. [5]
10.
What is boundary representation technique? Explain. [5]
11.
Explain the Phong illumination model for specular reflection. [5]
12.
Write short notes on: a. Shearing and Scaling b. Line Clipping [5]