B.C.A. DEGREE EXAMINATION, NOVEMBER 2017
Fifth Semester
Computer Applications
Elective — COMPUTER GRAPHICS
(CBCS 2014 onwards)
Time 3 Hours Maximum 75 Marks
Section A (10 X 2 20)
Answer all questions.
1. State the use of display controller.
2. Define Frame Buffer.
3. Mention the various basic 2D geometric transformations.
4. Define composite transformation.
5. What is viewing transformation?
6. Define point clipping.
7. How 3D transformations are formulated?
8. What is reflection?
9. Define task analysis.
10. What is information display?
Sub. Code
4BCAE2A
AFF-4592
2
Ws15
Section B X 5 25)
Answer all questions.
11. Write short notes on output devices.
Or
Explain the incremental algorithm for drawing a
straight line.
12. What is scaling? Explain.
Or
Explain Mirror Reflection in 2D transformation.
13. Explain window-to-viewport mapping.
Or
Write a note on convex polygon clipping.
14. Write the matrix representation of 3D
transformations
Or
Briefly explain the 3D composite transformations.
15. Discuss on the concept of the user's model in user
interface design.
Or
Briefly explain the menu-driven command
languages.
AFF-4592
3
Ws15
Section C X 10 30)
Answer any three questions.
16. Explain the midpoint circle algorithm with an example.
17. How 2D objects are represented in matrix form? Explain.
18. Explain the liang-barsky line clipping algorithm.
19. Describe the basic transformations of 3D object.
20. Explain in detail about feedback.
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