BCA degree Bharathiar University Computer Graphics Question Paper


Details about the BCA degree question paper of Bharathiar University of Computer Graphics Question Paper.

B.C.A. Degree Examinations, Bharathiar University, Coimbatore-46.

Subject : COMPUTER GRAPHICS

SECTION – A (10 X 1 = 10 MARKS)
ANSWER ALL QUESTIONS. ALL QUESTIONS CARRY EQUAL MARKS

1. The maximum number of points that can be displayed without overlap on a CRT
is referred to as ____________

(a) resolution (b) persistence (c) accuracy (d) refreshment

2. The _________ is one type of digitizers.

(a) mouse (b) light pen (c) graphics tablet (d) joystick

3. The overall design style for a set of characters is called a ____________

(a) pixel (b) type face (c) function (d) circle point

4. The ________ is a fill style, which is used to fill an area with selected parallel
or crossed lines.

(a) hollow (b) social (c) pattern (d) hatch

5. A ____________ is a transformation that produces a mirror image of an object.

(a) translation (b) rotation (c) scaling (d) reflection

6. Any procedure that identifies the portion of a picture of a specified region of a space is
referred to as a ___________ algorithm.

(a) clipping (b) detection (c) deletion (d) hidden

7. The icons representing objects are often referred to as _________ icons.

(a) application (b) control (c) command (d) program

8. The viewing co-ordinates are transformed to ________ co-ordinates in 3D modeling
transformations.

(a) device (b) world (c) circle (d) point

9. The visible-surface detection methods are also referred to as __________ methods.

(a) surface detection (b) hidden surface (c) sample detection (d) hidden surface elimination

10. The transformation of object shapes from one form to another is called __________

(a) animation (b) graphics (c) morphing (d) modulation


SECTION – B (5 X 3 = 15 MARKS)
ANSWER ALL QUESTIONS. ALL QUESTIONS CARRY EQUAL MARKS


11. (a) Write short notes on Raster-Scan Display.
(OR)
(b) Discuss about light pens and voice systems.


12. (a) Describe about character generation.
(OR)
(b) Explain about the curve attributes.


13. (a) What is a reflection? Explain.
(OR)
(b) Write short notes on the viewing co-ordinate reference frame.


14. (a) How can you initialize the values for input device parameters? Explain.
(OR)
(b) Write short notes on three-dimensional translation transformation


15. (a) Discuss about the classification of visible-surface detection algorithms.
(OR)
(b) Write short notes on RGB color model.


SECTION – C (5 X 10 = 50 MARKS)

ANSWER ALL QUESTIONS. ALL QUESTIONS CARRY EQUAL MARKS


16. (a) Explain about the components, functions and operations of the standard CRT
with neat diagram.
(OR)
(b) Explain in detail about the DDA line drawing algorithm.


17. (a) Explain in detail about the midpoint circle generating algorithm.
(OR)
(b) Describe about the line attributes in detail.


18. (a) Explain about the three basic 2D transformations in detail.
(OR)
(b) Describe about the Sutherland-Hodgeman polygon clipping in detail.


19. (a) Explain in detail about the various input modes in input functions.
(OR)
(b) Describe about the 3D modeling and co-ordinate transformations in detail.


20. (a) What are the two basic projection methods? Explain about Parallel projection in detail.
(OR)
(b) Explain the followings in detail.
(i) Design of animation sequences (ii) Computer animation languages.


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