BCA 5th Semester
Computer Graphics And Animation 2024 (2021 Batch) Board Question Paper - Tribhuvan University (TU) 2024

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Tribhuvan University

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Bachelor In Computer Application

Course Title: Computer Graphics And Animation

Code No: CACS 305

Semester: V

Full Marks: 60 Pass Marks: 24 Time: 3 hours

Candidates are required to answer the question in their own words as far as possible.

Group B
Attempt any SIX question.
[6x5=30]
2.

How raster scan display is different from vector scan display? What is the role of video controller in raster scan display system?

3.

Define Pixel and resolution. Explain in brief about Back face detection algorithm.

4.

How flood fill algorithm can be used to fill a polygon? Explain.

5.

What is window to viewport transformation? Explain how mapping from window to viewport is achieved.

6.

Use the Midpoint Circle drawing Algorithm to draw a circle with a radius of 7 units, centered at (5,5).

7.

What is I3 in virtual reality? How immersive virtual reality is different from non-immersive virtual reality?

8.

Write short notes (On Any two):
a) Polygon clipping
b) RGV vs. CMY
c) Designing animation sequences

Group C

Attempt any TWO questions

[2x10=20]
9.

What is scan conversion? Derive the decision parameter for Bresenham’s line drawing algorithm for m<1.

10.

Write transformation matrices for 3D scaling and shearing. If a triangle with vertices P(2, 3), Q(5,3) and R(6,8) is rotated clockwise 90º about the origin and then scaled by 2, what will be the transformed image?

11.

What is image space method for visible surface detection? Write the algorithm for depth buffer method and also explain how depth is used to find the visible surface.