CS602 Quiz 3 Combined

1. Computer graphics and computer vision are disciplines.

•  Related
•  Interrelated
•  Same
•  Different

2. OpenGL has become the industry's most widely used and supported graphics application

programming interface (API), bringing thousands of applications to a wide variety of computer

•  platforms.
•  Dimensional
•  Dimensional
•  2 Dimensional and 3-Dimensional

3. sets the reshape callback for the current window.

•  glutIdle function
•  glutKeyboardFunc
•  glutReshapeFunc
•  glutDisplayFunc

4. _sets the global idle callback to be ‘func’ so a GLUT program can perform background processing tasks or continuous animation when window system events are not being received.

•  glutIdle function
•  glutKeyboardFunc
•  glutReshapeFunc
•  glutDisplayFunc

5. X2/a2 – y2/b2 =1 is an equation of

•  Hyperbola Page no : 70
•  Parabola
•  Ellipse

6. To modify the object shape, shearing transformation cannot be used.

•  True

7. Rotation is performed around a fixed point called

•  Pivot
•  Point
•  rotation Page no : 114

8. Computer graphics is very helpful in producing graphical representations for scientific visualization and analysis

•  True
•  False

9. Save a line with both endpoints inside all clipping boundaries.

•  Trivial Reject
•  Trivial Accept Page no : 137

10. Dark lights are nothing more than lights in which one or more of the color values are _ . Unknown

•  Negative Page no : 230
•  Positive Zero

11. A series of _ computer operations convert an object's three-dimensional coordinates to pixel positions on the screen. Transformations, which are represented by matrix multiplication, include modeling, viewing, and projection operations. Such operations include rotation, translation, scaling, reflecting, orthographic projection, and perspective projection.

•  Three Page no : 366
•  Two
•  Four
•  Ten

12. At a physical surface, our eye's perception of the color depends on the distribution of photon energies that arrive and trigger our cells.

•  Eye Retina
•  Cone Page no : 393

12. This projection technique has the direction of projection perpendicular to the viewing plane, but the viewing direction is NOT perpendicular to one of the principle faces.

•  Axonometric Parallel Projection Page no : 189

Q13. The Phong reflection model simplifies light-matter interactions into (essentially) 4 vectors and a number of constants. Which piece of the Phong model is responsible for giving spheres their bright white spots?

•  Specular Page no : 234
•  Ambient
•  Diffuse

14. In the Phong Reflection model, light is the same everywhere.

•  Ambient
•  Diffuse
•  Specular
•  Emissive

15. A plane is two dimensional since in order to uniquely define any point on its surface we require _ numbers.

•  Two
•  Three
•  Four
•  Five