CS602 Final Term MCQs by Sehar

1. Computer graphics and computer vision are ________ disciplines. Related

Interrelated

Same

Different

Ref : Computer vision is, in some ways, the inverse of computer graphics. While computer graphics produces image data from 3D models, computer vision often produces 3D models from image data.

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

Ref:

3. ____________ sets the reshape callback for the current window. glutIdle function

Ref:

tReshapeFunc.3.html

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 · Solved by: · Well Wisher (Sahar) · Class · BSCS 6th Semester · Subject

Cs602 (computer graphics)

Solution

Type:

Final Term Paper + Quizez

Institute:

Virtual University of Pakistan

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.

False

Page no : 124

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

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. Orthographic Parallel Projection

Axonometric Parallel Projection

Page no : 189

Oblique Parallel Projection

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

Q14. In the Phong Reflection model, _______ light is the same everywhere.

1. Ambient
2. Diffuse

Correct answer: Ambient

c. Specular d. Emissive e.