Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Chapter: 27
Q881:
A polygon strip requires how many vertex definitions for n triangles?
A. n + 2
B. 2n
C. 3n
D. n + 3
Correct Answer:
A
Chapter: 27
Q882:
The accuracy of approximating a curved surface in 3D is directly proportional to what?
A. Number of polygons
B. Viewpoint
C. Transformation
D. Polygon orientation
Correct Answer:
A
Chapter: 27
Q883:
In rendering, the process of creating a 2D image from a 3D database and scene characteristics is known as?
A. Transformation
B. Tessellation
C. Sampling
D. Rendering
Correct Answer:
D
Chapter: 27
Q884:
What is the subdivision of an entity or surface into one or more non-overlapping primitives?
A. Transformation
B. Sampling
C. Tessellation
D. Rendering
Correct Answer:
C
Chapter: 27
Q885:
The process of selecting a finite number of values along a continuous function is called?
A. Tessellation
B. Sampling
C. Projection
D. Translation
Correct Answer:
B
Chapter: 27
Q886:
To improve rendering efficiency, detailed models in 3D scenes are replaced based on their what?
A. Rotation
B. Scale
C. Level of Detail
D. Tessellation
Correct Answer:
C
Chapter: 27
Q887:
The movement of points in space is referred to as which type of transformation?
A. Scaling
B. Reflection
C. Rotation
D. Translation
Correct Answer:
D
Chapter: 27
Q888:
A 3D translation is expressed as P' = P + T, where P is the original point, and T is what?
A. A rotation vector
B. A transformation matrix
C. A scaling vector
D. A translation vector
Correct Answer:
D
Chapter: 27
Q889:
A point in 3D after translation will be determined by which equation?
A. P' = P + T
B. P' = P x T
C. P' = P / T
D. P' = P - T
Correct Answer:
A
Chapter: 27
Q890:
A rotation in 3D space is always performed around how many axes?
A. One
B. Two
C. Three
D. Four
Correct Answer:
C
Chapter: 27
Q891:
The process of rotating a point around the X-axis is called?
A. Yaw
B. Roll
C. Pitch
D. Translation
Correct Answer:
C
Chapter: 27
Q892:
Which type of scaling maintains the original shape of an object in 3D?
A. Differential scaling
B. Uniform scaling
C. Non-uniform scaling
D. Perspective scaling
Correct Answer:
B
Chapter: 27
Q893:
Which transformation does not preserve the original shape of an object?
A. Differential scaling
B. Uniform scaling
C. Rotation
D. Translation
Correct Answer:
A
Chapter: 27
Q894:
The term for mapping a point in 3D onto its image in a projection plane is called?
A. Tessellation
B. Projection
C. Transformation
D. Rendering
Correct Answer:
B
Chapter: 27
Q895:
Parallel projection can be divided into which two types?
A. Orthographic and Isometric
B. Orthographic and Perspective
C. Orthographic and Oblique
D. Isometric and Dimetric
Correct Answer:
C
Chapter: 27
Q896:
The projection type where the projection plane intersects each coordinate axis at an equal distance is?
A. Isometric
B. Dimetric
C. Trimetric
D. Perspective
Correct Answer:
A
Chapter: 27
Q897:
Which of the following is a property of Dimetric projection?
A. All angles with axes are unequal
B. Two angles with axes are equal
C. Equal distance for all axes
D. Projection makes unequal angles with axes
Correct Answer:
B
Chapter: 27
Q898:
The formula for 3D translation involves adding a vector to each coordinate. What is the vector called?
A. Translation vector
B. Scaling vector
C. Rotation vector
D. Projection vector
Correct Answer:
A
Chapter: 27
Q899:
What is used to represent the rotation of a point around the Z-axis in 3D?
A. Rotation matrix
B. Rotation vector
C. Scaling matrix
D. Translation vector
Correct Answer:
A
Chapter: 27
Q900:
Which type of scaling involves different scaling factors for each axis in 3D space?
A. Uniform scaling
B. Differential scaling
C. Non-uniform scaling
D. Perspective scaling
Correct Answer:
B