CS 4406: COMPUTER GRAPHICS
True/False: The 3D Cartesian coordinate space is divided into 6 quadrants.
Select one:
True
False
Question 2
... [Show More] True/False: In 2D Cartesian coordinates, any two lines that are not parallel will meet in a point.
Select one:
True
False
Question 3
What color does the following hexadecimal number 0x000000 specify?
Select one:
1. White
2. Black
3. Yellow
4. Red
Question 4
True/False: Of the three colors in the RGB model, blue has the brightest luminance.
Select one:
True
False
Question 5
The transparency for a color is called the _____ and its value is a number between 0.0 and 1.0.
Select one:
1. Alpha Level
2. color gamut
3. Mach bands
4. emissive color
Question 6
The range of colors that a display device can represent is called the:
Select one:
1. Color gamut
2. mach bands
3. the CMYK of the device
4. None of these answers
Question 7
True/False: In an object with an alpha level of 1.0, you can see the objects that behind it?
Select one:
True
False
Question 8
True/False: The difference between WebGL and OpenGL is that WebGL only supports 2D graphics and
OpenGL supports both 2D and 3D graphics.
Select one:
True
False
Question 9
The position that you are viewing a scene from is called the:
Select one:
1. eye point
2. view reference point
3. viewport
4. view frustum
Question 10
True/False: An orthographic projection, projects all of the objects in the scene to the viewing plane by parallel
lines.
Select one:
True
False
Question 11
Which projection do the following objects represent?
Select one:
1. Parallel projection
2. Orthographic projection
3. Perspective projection
4. Scaled projection
Question 12
True/False: Clipping defines parts of the scene that you do not want to display.
Select one:
True
False
Question 13
Modeling an object about its local origin involves defining it in terms of:
Select one:
1. modeling coordinates
2. eye coordinates
3. euclidean coordinates
4. modeling transformations
Question 14
A vertex in graphics modeling defines a:
Select one:
1. Point
2. Line
3. Polygon
4. None of these responses
The correct answer is: Point
Question 15
Which of the following shows obvious aliasing artifacts?
Select one:
1. line a
2. line b
3. line c
4. line d
Question 16
Which of the following is an antialiasing method?
Select one:
1. pixel supersampling
2. geometry sequencing
3. unisample antialiasing
4. spatial aliasing
Question 17
What geometry type will the following pseudo code generate?
N = 12
set vertex at (1,0,90)
for i = 0 to N
set vertex at (1, 360/I, 90-180/N)
Select one:
1. Triangle Fan
2. Triangle Strip
3. Quad Strip
4. Quad Fan
Question 18
True/False: A transformation is a function that takes geometry and produces new geometry.
Select one:
True
False
Question 19
True/False: To rotate geometry 90 degrees you would use the translation form of transformation?
Select one:
True
False
Question 20
Which of the following types of transformations should be used to transform the picture on the left into the
picture on the right?
Select one:
1. Rotation
2. Translation
3. Rendering
4. None of these answers
Question 21
True/False: Transformations are mathematical operations that map 3D space to 2D space and so mathematics
has standard ways to represent them.
Select one:
True
False
Question 22
True/False: In Three.js, the Cylinder Geometry object is created from a series of vertices?
Select one:
True
False
True/False: The difference between WebGL and OpenGL is that WebGL only supports 2D graphics and
OpenGL supports both 2D and 3D graphics.
Select one:
True
False [Show Less]