Computer Graphics MCQs

This comprehensive set of Computer Graphics MCQs is designed to cover all essential topics required for success in exams related to computer graphics and visualization techniques. Focused on key subjects such as rendering, 2D and 3D graphics, transformations, shading techniques, and graphical user interfaces, these MCQs are crafted to help students build a strong foundation in computer graphics concepts and applications.

Who should practice Computer Graphics MCQs?

Students preparing for computer science, software engineering, or multimedia courses that include computer graphics concepts.
Individuals aiming to strengthen their understanding of 2D and 3D rendering techniques, including rasterization and ray tracing.
Candidates preparing for exams or certification courses that assess knowledge of graphics programming and libraries such as OpenGL or DirectX.
Learners interested in mastering transformations, clipping algorithms, and shading models in computer graphics.
Professionals focused on improving their skills in game development, animation, and interactive graphics applications.
Suitable for all aspirants seeking to enhance their knowledge and performance in computer graphics for academic or professional success.

1. What is the primary purpose of computer graphics?

A) To create images and animations
B) To process text
C) To manage databases
D) To run operating systems

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2. Which of the following is a raster graphics format?

A) SVG
B) PNG
C) EPS
D) PDF

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3. What does the term “pixel” refer to in computer graphics?

A) A graphical element
B) The smallest unit of a digital image
C) A file format
D) A type of rendering

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4. Which algorithm is used for line drawing in computer graphics?

A) DDA Algorithm
B) Bresenham’s Line Algorithm
C) Flood Fill Algorithm
D) Midpoint Circle Algorithm

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5. What is the role of a graphics card in a computer?

A) To manage memory
B) To enhance graphics rendering
C) To process sound
D) To manage network connections

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6. In computer graphics, what does the term “rendering” mean?

A) Creating a 3D model
B) Converting a model into a 2D image
C) Editing an image
D) Storing image data

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7. Which of the following is a vector graphics format?

A) BMP
B) JPEG
C) GIF
D) SVG

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8. What does the Z-buffering technique do?

A) Renders textures
B) Manages depth information
C) Increases color depth
D) Enhances resolution

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9. Which of the following is NOT a type of transformation in computer graphics?

A) Translation
B) Rotation
C) Segmentation
D) Scaling

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10. What does the term “antialiasing” refer to?

A) Reducing image size
B) Smoothing jagged edges
C) Enhancing colors
D) Increasing brightness

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11. What is a “frame buffer”?

A) A type of image file
B) A memory area for storing pixel data
C) A graphics processing unit
D) A network component

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12. Which of the following techniques is used for 3D rendering?

A) Ray tracing
B) Bitmap rendering
C) Vectorization
D) Image scanning

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13. In computer graphics, what does “texture mapping” refer to?

A) Applying a filter to an image
B) Mapping a 2D image onto a 3D model
C) Converting a raster image to vector
D) Coloring polygons

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14. What is the primary function of OpenGL?

A) To manage operating systems
B) To render 2D and 3D graphics
C) To process sound files
D) To create animations

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15. Which of the following is an example of a 2D transformation?

A) Shearing
B) Perspective projection
C) Depth cueing
D) Texturing

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16. What does the term “bit depth” refer to in graphics?

A) The number of bits used to represent color
B) The size of an image file
C) The resolution of an image
D) The processing speed of a graphics card

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17. In computer graphics, what is a “normal vector”?

A) A vector representing direction
B) A vector perpendicular to a surface
C) A vector used for lighting calculations
D) A vector representing color

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18. Which of the following is used to create animations in computer graphics?

A) Frame buffering
B) Morphing
C) Rasterization
D) Bit mapping

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19. What does the “clipping” process do in computer graphics?

A) Reduces file size
B) Removes parts of images outside a defined area
C) Enhances color depth
D) Creates shadows

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20. What is a “polygon” in computer graphics?

A) A closed shape with straight sides
B) A type of image file
C) A rendering technique
D) A color model

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21. Which graphics model uses a combination of colors in pixels?

A) RGB
B) CMYK
C) HSV
D) HSL

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22. What is the purpose of a “rendering engine”?

A) To manage network connections
B) To convert models into images
C) To store graphics data
D) To play multimedia files

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23. What does the term “mipmap” refer to in computer graphics?

A) A technique for reducing image size
B) A collection of pre-calculated textures at different resolutions
C) A method for rendering 3D objects
D) A type of image file

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24. Which algorithm is used for filling polygons?

A) Scanline fill algorithm
B) Depth-first search
C) DDA Algorithm
D) Rasterization

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25. What is the main advantage of vector graphics over raster graphics?

A) Vector graphics are easier to edit
B) Vector graphics are smaller in file size
C) Vector graphics maintain quality at any size
D) Vector graphics use more colors

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26. Which of the following is NOT a color model?

A) RGB
B) CMYK
C) YUV
D) XYZ-Alpha

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27. What does “rendering pipeline” refer to?

A) The sequence of steps to convert 3D models into 2D images
B) The storage of graphic data
C) The process of creating animations
D) The management of color models

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28. In 3D modeling, what does “bump mapping” do?

A) Alters the geometric shape of a model
B) Creates the illusion of surface detail
C) Changes the color of a model
D) Reduces the file size

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29. What is a “viewport” in computer graphics?

A) The entire screen display
B) A window that displays a portion of the scene
C) A file containing graphics data
D) A type of rendering technique

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30. What is the primary purpose of lighting in 3D graphics?

A) To enhance file size
B) To create shadows and highlights
C) To increase processing speed
D) To compress images

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31. Which of the following is an example of a non-photorealistic rendering technique?

A) Ray tracing
B) Cel shading
C) Rasterization
D) Polygonal modeling

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32. What does the term “spline” refer to in computer graphics?

A) A straight line connecting points
B) A type of animation
C) A smooth curve defined by control points
D) A color model

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33. Which of the following describes “perspective projection”?

A) A projection that does not distort depth
B) A projection that simulates depth
C) A flat projection of 3D objects
D) A 2D representation of images

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34. What is a “light source” in 3D graphics?

A) A representation of color
B) An object that emits light
C) A type of shader
D) A texture applied to surfaces

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35. Which format is commonly used for 3D model storage?

A) BMP
B) OBJ
C) GIF
D) PDF

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36. What is the function of a “shader” in computer graphics?

A) To manage memory
B) To define the appearance of surfaces
C) To process audio
D) To optimize file storage

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37. In the context of graphics, what does “ray tracing” simulate?

A) The flow of data
B) The path of rays of light
C) The behavior of pixels
D) The rendering of colors

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38. What is the purpose of “normal mapping” in 3D graphics?

A) To change the geometry of a model
B) To simulate surface detail without adding polygons
C) To adjust color
D) To improve rendering speed

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39. What does the “frame rate” refer to in animation?

A) The number of frames displayed per second
B) The size of each frame
C) The resolution of an image
D) The processing speed of a graphics card

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40. Which of the following is a commonly used 3D graphics software?

A) Adobe Photoshop
B) Blender
C) Microsoft Word
D) Notepad

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41. What does the term “render farm” refer to?

A) A group of computers used for rendering graphics
B) A technique for optimizing images
C) A type of animation
D) A graphics file format

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42. In graphics, what is “scaling”?

A) Changing the resolution of an image
B) Adjusting the size of an object
C) Altering color depth
D) Editing a texture

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43. Which of the following algorithms is used for anti-aliasing?

A) Supersampling
B) Rasterization
C) Polygon clipping
D) Z-buffering

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44. What does “texture filtering” do?

A) Enhances color accuracy
B) Reduces pixelation in textures
C) Converts images to grayscale
D) Increases file size

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45. In computer graphics, what is the significance of “alpha blending”?

A) To adjust brightness
B) To create transparency effects
C) To enhance color
D) To reduce image size

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46. What is the purpose of a “bitmap”?

A) To store vector graphics
B) To represent images as a grid of pixels
C) To create 3D models
D) To define color models

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47. What does the term “frame buffer object” (FBO) refer to?

A) A technique for image compression
B) A memory buffer for storing pixel data
C) A type of animation
D) A file format

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48. In graphics, what is “depth buffering”?

A) A technique to improve color accuracy
B) A method to manage the depth of objects in a scene
C) A way to reduce file size
D) A type of rendering technique

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49. What does the term “sprite” refer to in computer graphics?

A) A 3D model
B) A 2D image or animation
C) A type of rendering technique
D) A color model

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50. What is the role of “animation curves”?

A) To define the movement of objects over time
B) To adjust color depth
C) To increase resolution
D) To manage image files

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51. What does “frame interpolation” do in animations?

A) Fills in the gaps between frames
B) Increases the frame rate
C) Reduces image size
D) Converts colors

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52. In 3D graphics, what does “LOD” stand for?

A) Level of Detail
B) Line of Direction
C) Length of Data
D) Layer of Depth

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53. What is the purpose of a “viewport” in rendering?

A) To define a portion of the scene to be rendered
B) To increase image resolution
C) To manage texture mapping
D) To store graphics data

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54. Which of the following is a type of lighting model in computer graphics?

A) Phong illumination
B) GIF compression
C) Rasterization
D) Bit mapping

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55. What does the term “color grading” refer to in graphics?

A) Adjusting colors in an image
B) Changing the size of a file
C) Increasing brightness
D) Reducing resolution

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56. What is “motion blur” in animation?

A) A technique to add depth
B) A visual effect to simulate speed
C) A method for color correction
D) A type of image compression

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57. What is the primary use of “scripting” in computer graphics?

A) To automate tasks and enhance interactivity
B) To manage memory
C) To improve color accuracy
D) To store image data

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58. Which of the following describes “wireframe modeling”?

A) A method for creating realistic textures
B) A technique for representing 3D objects with lines
C) A type of animation
D) A color correction technique

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59. In computer graphics, what does “ambient light” refer to?

A) Light emitted by a specific source
B) General light present in a scene
C) Light reflected off surfaces
D) Light used for shadows

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60. What is a “rendering context”?

A) A set of graphics settings for rendering
B) A file format for images
C) A type of memory buffer
D) A method for image compression

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61. Which of the following is an application of computer graphics?

A) Video games
B) Word processing
C) Database management
D) Email communication

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62. What does the term “digital compositing” mean?

A) Combining multiple images into a single image
B) Converting images to grayscale
C) Editing audio files
D) Creating 3D models

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63. What is the main purpose of “global illumination” in rendering?

A) To simulate natural light interactions
B) To increase the size of an image
C) To enhance color depth
D) To create shadows

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64. What does the term “image resolution” refer to?

A) The amount of data in an image
B) The clarity of an image based on pixel count
C) The file format of an image
D) The color depth of an image

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65. In 3D modeling, what is “rigging”?

A) Adding a skeleton to a model for animation
B) Adjusting color settings
C) Creating textures
D) Reducing file size

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66. What is a “shader program”?

A) A script for rendering
B) A type of image file
C) A 3D model
D) A color model

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67. What does the term “UV mapping” refer to?

A) The process of applying textures to 3D models
B) A type of lighting model
C) A method for creating animations
D) A technique for color correction

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68. What is the significance of “frame rate” in animations?

A) It determines the smoothness of motion
B) It defines image resolution
C) It impacts file size
D) It adjusts color depth

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69. What does the term “rendering engine” refer to?

A) A software component that handles rendering graphics
B) A type of image file
C) A file compression method
D) A hardware component

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70. What is the role of “color correction” in image processing?

A) To enhance the visual appearance of images
B) To reduce file size
C) To change image resolution
D) To create textures

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71. In graphics, what does the term “aspect ratio” refer to?

A) The ratio of width to height of an image
B) The size of a file
C) The number of colors used
D) The resolution of a screen

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72. Which of the following describes “bitmap images”?

A) Images made of pixels
B) Images made of paths
C) Images that can be resized without loss
D) Images created with vectors

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73. What does the term “texture coordinate” refer to?

A) A value that determines how textures map onto surfaces
B) A type of lighting
C) A method for image compression
D) A file format

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74. What is the purpose of “keyframing” in animation?

A) To define significant points in motion
B) To reduce file size
C) To enhance color accuracy
D) To store images

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75. What does “polygon culling” do in rendering?

A) Removes polygons not visible to the camera
B) Increases image resolution
C) Adjusts colors
D) Reduces file size

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76. Which of the following is an example of a graphics API?

A) OpenGL
B) SQL
C) HTML
D) CSS

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77. What is the main purpose of “viewport transformation”?

A) To define the area of the scene to be rendered
B) To increase image resolution
C) To manage memory
D) To compress images

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78. In 3D rendering, what is “ray casting”?

A) A technique for calculating visibility
B) A method for color correction
C) A type of texture mapping
D) A rendering technique for animations

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79. What does “dynamic lighting” refer to?

A) Lighting that changes in response to scene changes
B) Static lighting that does not change
C) A method for enhancing textures
D) A technique for color correction

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80. What is the purpose of “animation layers”?

A) To manage different animation sequences
B) To enhance color depth
C) To reduce image size
D) To adjust brightness

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81. What does “texture atlasing” achieve?

A) Reduces the number of texture bindings
B) Increases image resolution
C) Enhances color accuracy
D) Changes the format of textures

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82. Which of the following is used for motion graphics?

A) Adobe After Effects
B) Microsoft Excel
C) Notepad
D) Adobe Reader

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83. What is “pixel art”?

A) A digital art form using raster graphics
B) A type of vector art
C) An animation style
D) A rendering technique

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84. What does the term “z-index” refer to in graphics?

A) The order of elements in a scene
B) The size of an image
C) The color depth
D) The resolution

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85. What is a “gradient” in computer graphics?

A) A gradual transition between colors
B) A sharp contrast between colors
C) A method for reducing image size
D) A type of lighting

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86. What is the primary function of “image compression”?

A) To reduce the file size of images
B) To enhance image quality
C) To increase image resolution
D) To manage colors

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87. What does the term “depth of field” refer to in rendering?

A) The range of distance in which objects appear sharp
B) The total size of an image
C) The number of colors used
D) The resolution of textures

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88. In 3D graphics, what does “animation rig” refer to?

A) A skeleton used for character animation
B) A method for color grading
C) A type of texture
D) A 3D model

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89. What is a “digital asset” in graphics?

A) Any digital file used in graphics production
B) A specific type of texture
C) A 3D model only
D) An animation sequence only

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90. What does “virtual reality” mean in the context of computer graphics?

A) A simulated environment that can be interacted with
B) A method for rendering images
C) A type of animation
D) A color model

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91. Which of the following techniques enhances the realism of 3D graphics?

A) Ambient occlusion
B) Rasterization
C) Vectorization
D) Color correction

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92. What does “frustum culling” do in rendering?

A) Eliminates objects outside the camera’s view
B) Enhances color accuracy
C) Reduces file size
D) Adjusts brightness

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93. What is the significance of “keyframes” in animation?

A) They define important frames in a sequence
B) They reduce file size
C) They enhance color accuracy
D) They adjust brightness

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94. What does the term “polygon mesh” refer to?

A) A collection of polygons that define a 3D shape
B) A type of texture
C) A file format
D) A lighting model

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95. What is “physical-based rendering”?

A) A rendering technique that simulates real-world lighting
B) A method for reducing file size
C) A color correction technique
D) A type of texture mapping

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96. What is the purpose of “collision detection” in graphics?

A) To identify intersections between objects
B) To enhance color accuracy
C) To adjust brightness
D) To reduce image size

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97. What does “texture mapping coordinates” refer to?

A) Values that determine how textures apply to surfaces
B) A method for enhancing color
C) A technique for reducing file size
D) A type of lighting

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98. What is the primary use of “shader programming”?

A) To define surface properties in rendering
B) To manage memory
C) To compress images
D) To create animations

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99. What does the term “bump map” refer to?

A) A texture that simulates surface detail
B) A type of lighting
C) A file format
D) A color model

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100. In computer graphics, what is “post-processing”?

A) Enhancing an image after rendering
B) Managing memory
C) Reducing file size
D) Creating 3D models

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