DISTANCE EDUCATION
B.C.A./B.C.A. (Lateral) DEGREE EXAMINATION,
DECEMBER 2017.
COMPUTER GRAPHICS
(2003 onwards)
Time Three hours Maximum 100 marks
Answer any FIVE questions.
All questions carry equal marks.
x 20
1. What is meant by interactive computer graphics?
List and explain the functions of a computer
graphics package.
Give a detailed note on Liquid Crystal Display.
(LCD).
2. What are the good characteristics of a line drawing
algorithm?
Explain Bresenham's line drawing algorithm with
suitable example.
3. What are the aspects of the formulation of
transformations?
Describe the basic transformations of two
dimensional objects.
4. Explain in detail about Cohen-Sutherland line clipping
algorithm with an example.
Sub. Code
25
DE-2483
2
WS 20
5. Draw and explain two-dimensional viewing
transformations.
Write down the procedure for line segment clipping.

6. With an example, explain the 3D composite
transformations.
How a point in 3D space can be represented?
Explain.
7. Explain the depth-buffer method for hidden surface
removal.
Explain scan-line method for hidden surface
removal.
8. Discuss alternatives for feedback interms of the
various levels of user.
Explain any two popular graphical user interfaces.

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