Questions
Syllabus
Qns. By Syllabus

Semester

Subject

Year

Tribhuwan University

Institute of Science and Technology

2080

Bachelor Level / Second Year / Third Semester / Science

B.Sc in Computer Science and Information Technology (CSC214)

(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.
What is a Digital Differential Analyzer (DDA)? How can you draw the line using this algorithm? Trace the points on the line path between A (1,3) and B (6,7) using Bresenham's line drawing algorithm. [10]
2.
Differentiate between parallel and perspective projection with suitable diagram. Illustrate the window to viewport transformation with example. [10]
3.
Why Liang Barsky Line Clipping Algorithm is efficient than Cohen Sutherland Algorithm? Explain the clipping procedure of Liang Barsky algorithm with suitable example. [10]
Section B

Short Answers Questions

Attempt any Eight questions.
[8*5=40]
4.
Write down algorithm steps of mid-point ellipse drawing algorithm. [5]
5.
Explain the importance of filling algorithms in graphics applications. Differentiate between boundary and flood fill algorithm with algorithm. [5]
6.
Reflect a line segment having end points (9,3) and (12,10) about a line X=7. Draw initial and final result graph as well. [5]
7.
Explain polygon surface representation using Polygon table and polygon meshes. [5]
8.
Calculate the total memory required to store a 5 minute video in SVGA system with 24 bit true color and 30 fps. [5]
9.
What do you understand by solid modeling? Explain binary space partition method. [5]
10.
How a realistic image can be generated in computer graphics? Explain fast phong shading. [5]
11.
Write short notes on a. OpenGL b. Flynn's Classification [5]
12.
What is virtual reality? Explain some form of virtual reality. [5]