Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Chapter: 28
Q961:
Color is represented in computers using vectors of how many elements usually?
A. 2 or 3
B. 3 or 4
C. 4 or 5
D. 1 or 2
Correct Answer:
B
Chapter: 28
Q962:
In color manipulation, colors can be multiplied _______.
A. Linearly
B. Piecewise
C. Exponentially
D. Additively
Correct Answer:
B
Chapter: 28
Q963:
When multiplying colors, which vector model is primarily used?
A. xyz
B. rgb
C. cmyk
D. rgba
Correct Answer:
B
Chapter: 28
Q964:
In Gouraud shading, interpolation happens across _______ and _______.
A. color and light
B. x and color
C. x and y
D. texture and light
Correct Answer:
B
Chapter: 28
Q965:
Perspective correction is needed in texture mapping to maintain correct _______.
A. Speed
B. Quality
C. Alignment
D. Perspective depth
Correct Answer:
D
Chapter: 28
Q966:
What happens if dx1 > dx2 in triangle filling?
A. Different filling path is chosen
B. Program ends
C. No interpolation
D. Error is thrown
Correct Answer:
A
Chapter: 28
Q967:
24-bit displays use 1 byte for each of _______.
A. Red, Green, Blue
B. Alpha, Red, Blue
C. Cyan, Magenta, Yellow
D. White, Black, Grey
Correct Answer:
A
Chapter: 28
Q968:
A 16-bit display gives extra bit to which color?
A. Red
B. Green
C. Blue
D. Alpha
Correct Answer:
B
Chapter: 28
Q969:
Color interpolation between two vertices is needed in _______ shading.
A. Flat
B. Gouraud
C. Texture
D. Wireframe
Correct Answer:
B
Chapter: 28
Q970:
The interpolation of color value related to x complicates which routine?
A. horizline
B. vertexline
C. colorline
D. edgefill
Correct Answer:
A
Chapter: 28
Q971:
In bitmap texture mapping, what are 'u' and 'v'?
A. Brightness values
B. Color indices
C. Texture coordinates
D. Lighting effects
Correct Answer:
C
Chapter: 28
Q972:
The number of colors distinguishable on a printed page is _______ than on a monitor.
A. Less
B. Same
C. Greater
D. Equal
Correct Answer:
C
Chapter: 28
Q973:
If we do multiple passes in graphics, insufficient color resolution can cause _______.
A. Aliasing
B. Round-off errors
C. Overexposure
D. Shadowing
Correct Answer:
B
Chapter: 28
Q974:
Which color space is commonly displayed using CIE diagrams?
A. Linear color space
B. Perceived color space
C. RGB space
D. CMYK space
Correct Answer:
B
Chapter: 29
Q975:
What components are summed to calculate traditional lighting in hardware?
A. Specular, emissive, and reflective
B. Ambient, diffuse, and specular
C. Diffuse, reflective, and refractive
D. Ambient, reflective, and emissive
Correct Answer:
B
Chapter: 29
Q976:
In the traditional local lighting model, objects that are brightly lit ______ other objects.
A. Illuminate
B. Shadow
C. Reflect
D. Do not illuminate or shadow
Correct Answer:
D
Chapter: 29
Q977:
Reflection coefficients used in lighting equations typically range from ______.
A. -1 to 1
B. 0 to 2
C. 0 to 1
D. 1 to 2
Correct Answer:
C
Chapter: 29
Q978:
In traditional 3D graphics, the ambient light mainly comes from ______.
A. Reflected light of environment
B. Light sources only
C. Shadows
D. Texture maps
Correct Answer:
A
Chapter: 29
Q979:
Ambient light intensity is represented by which symbol in the lighting equation?
A. id
B. im
C. ia
D. is
Correct Answer:
C
Chapter: 29
Q980:
Ambient light is typically represented using which type of light color?
A. Red light
B. White light
C. Blue light
D. Yellow light
Correct Answer:
B