B.C.A. DEGREE EXAMINATION, NOVEMBER 2017.
Fifth Semester
Computer Application
Elective — COMPUTER GRAPHICS
(CBCS 2011 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 X 2 20)
Answer all questions.
1. Define Refresh Rate.
2. Write the equation of a straight line.
3. Define Scaling.
4. Write down the transformation matrix for rotating an
object for -90 degree.
5. Define Viewing Window.
6. What is the condition for point clipping?
7. What is the difference between 2D and 3D
transformation?
8. What are 3D basic transformations?
9. What is the purpose of user interface?
10. What is the role of Command language in user interface
design?
Sub. Code
1BCAE2A
AFC-10377
2
Ws20
Part B 5 25)
Answer all questions, choosing either or
11. Explain the working of Random Scan displays.
Or
Explain the Circle generation algorithm.
12. Explain the Transformation principles with
example.
Or
Explain Composite transformation with an
example.
13. Explain window to viewport transformation.
Or
Explain Convex Polygon clipping with an example.
14. Explain 3D rotation with an example.
Or
Explain 3D composite transformation with an
example.
15. Explain the user model in User interface design.
Or
Write short notes on Styles of Command language.
AFC-10377
3
Ws20
Part C 10 30)
Answer any three questions.
16. Write and explain the DDA line drawing algorithm.
17. Describe the basic 2D transformation with example.
18. Explain Line clipping algorithm with an example.
19. Explain the 3D Scaling and Translation transformations
with example.
20. Explain
Components of user interface
Feedback.
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