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Computer Graphics MCQs and Answers With Explanation – Computer graphics is a rapidly evolving field that involves the creation, manipulation, and representation of visual content using computers. It has become an essential part of many industries, including entertainment, gaming, education, and engineering. Therefore, a solid understanding of computer graphics concepts and techniques is crucial for anyone interested in pursuing a career in these fields. Candidates who are curious to learn more about computer graphics can refer to this article on Computer Graphics Multiple Choice Questions, which not only provides correct answers but also explanations for every question.
Computer Graphics MCQs
Now check out these Computer Graphics MCQ Questions on computer graphics covers a range of topics, from fundamental principles to advanced techniques, and are designed to test your knowledge and understanding of this exciting and dynamic field.
Computer Graphics Multiple Choice Questions
| Name | Computer Graphics |
| Exam Type | MCQ (Multiple Choice Questions) |
| Category | Technical Quiz |
| Mode of Quiz | Online |
Top 45 Computer Graphics MCQ Questions | Practice Online Quiz
1. Which of the following is a technique used for anti-aliasing?
a) Scanline rendering
b) Ray tracing
c) Supersampling
d) Z-buffering
Answer: c) Supersampling.
Explanation – Supersampling is a technique used for anti-aliasing in computer graphics. It involves rendering the scene at a higher resolution than the final output, and then down-sampling to the desired resolution, resulting in a smoother image with reduced jagged edges.
2. Which of the following is a shading model used in computer graphics?
a) Phong shading
b) Bezier shading
c) B-spline shading
d) NURBS shading
Answer: a) Phong shading.
Explanation – Phong shading is a shading model used in computer graphics that calculates the lighting at each pixel based on the angle between the surface normal and the direction of the light source.
3. Which of the following is a 3D graphics API?
a) OpenGL
b) DirectX
c) Vulkan
d) All of the above
Answer: d) All of the above.
Explanation – OpenGL, DirectX, and Vulkan are all 3D graphics APIs that allow programmers to interact with graphics hardware and render 3D scenes.
4. Which of the following is a commonly used file format for 3D models?
a) MP3
b) PNG
c) OBJ
d) TXT
Answer: c) OBJ.
Explanation – OBJ is a commonly used file format for 3D models that stores the vertices, normals, and texture coordinates of a mesh.
5. Which of the following is a technique used for texture mapping?
a) Barycentric interpolation
b) Ray casting
c) Spline interpolation
d) Planar mapping
Answer: d) Planar mapping.
Explanation – Planar mapping is a technique used for texture mapping in computer graphics that involves projecting a texture onto a flat plane.
6. Which of the following is a type of 3D transformation?
a) Translation
b) Scaling
c) Rotation
d) All of the above
Answer: d) All of the above.
Explanation – Translation, scaling, and rotation are all types of 3D transformations that can be applied to 3D objects in computer graphics.
7. Which of the following is a technique used for rendering shadows?
a) Ray tracing
b) Scanline rendering
c) Z-buffering
d) Shadow mapping
Answer: d) Shadow mapping.
Explanation – Shadow mapping is a technique used for rendering shadows in computer graphics that involves rendering the scene from the perspective of the light source and storing the depth values in a texture, which is then used to calculate shadows during the final render pass.
8. Which of the following is a type of curve used in computer graphics?
a) Bezier curve
b) Catmull-Rom curve
c) B-spline curve
d) All of the above
Answer: d) All of the above.
Explanation – Bezier curves, Catmull-Rom curves, and B-spline curves are all commonly used types of curves in computer graphics.
9. Which of the following is a technique used for simulating fluid dynamics?
a) Finite element method
b) Finite difference method
c) Finite volume method
d) Finite particle method
Answer: d) Finite particle method.
Explanation – Finite particle method is a technique used for simulating fluid dynamics in computer graphics that involves representing the fluid as a collection of particles and simulating their interactions.
10. Which of the following is a commonly used algorithm for rasterization?
a) Bresenham’s line algorithm
b) Dijkstra’s algorithm
c) Prim’s algorithm
d) algorithm
Answer: a) Bresenham’s line algorithm.
Explanation – Bresenham’s line algorithm is a commonly used algorithm for rasterization in computer graphics that can efficiently draw straight lines on a pixel grid.
11. Which of the following is a technique used for simulating cloth?
a) Finite element method
b) Finite difference method
c) Finite volume method
d) Mass-spring system
Answer: d) Mass-spring system.
Explanation – Mass-spring systems are a technique used for simulating cloth in computer graphics that involve modeling the cloth as a collection of masses connected by springs.
12. Which of the following is a commonly used rendering algorithm?
a) Phong shading
b) Gouraud shading
c) Flat shading
d) Wireframe rendering
Answer: b) Gouraud shading.
Explanation – Gouraud shading is a commonly used rendering algorithm in computer graphics that interpolates vertex colors across a polygon to produce smooth shading.
13. Which of the following is a technique used for modeling light transport?
a) Radiosity
b) Ray tracing
c) Rasterization
d) Z-buffering
Answer: a) Radiosity.
Explanation – Radiosity is a technique used for modeling light transport in computer graphics that calculates the diffuse reflection of light between surfaces in a scene.
14. Which of the following is a technique used for rendering reflections?
a) Ray tracing
b) Rasterization
c) Z-buffering
d) Shadow mapping
Answer: a) Ray tracing.
Explanation – Ray tracing is a technique used for rendering reflections in computer graphics that involves tracing the path of rays of light and simulating their interaction with surfaces in the scene.
15. Which of the following is a commonly used file format for images?
a) MP3
b) PNG
c) OBJ
d) STL
Answer: b) PNG.
Explanation – PNG is a commonly used file format for images that supports lossless compression and can store images with transparent backgrounds.
16. Which of the following is a technique used for simulating fire?
a) Finite element method
b) Finite difference method
c) Particle system
d) Mass-spring system
Answer: c) Particle system.
Explanation – Particle systems are a technique used for simulating fire in computer graphics that involve modeling the fire as a collection of particles that emit light and heat.
17. Which of the following is a commonly used algorithm for computing intersections between rays and objects?
a) Bresenham’s algorithm
b) Dijkstra’s algorithm
c) Prim’s algorithm
d) Ray marching algorithm
Answer: d) Ray marching algorithm.
Explanation – Ray marching is a commonly used algorithm for computing intersections between rays and objects in computer graphics that involves iterating along the path of a ray and testing for intersections at each step.
18. Which of the following is a commonly used technique for simulating fluids?
a) Lattice Boltzmann method
b) Monte Carlo method
c) Cellular automata
d) Backward Euler method
Answer: a) Lattice Boltzmann method.
Explanation – Lattice Boltzmann method is a commonly used technique for simulating fluids in computer graphics that involves modeling the fluid as a lattice of particles that undergo collisions and interactions.
19. Which of the following is a commonly used algorithm for generating fractals?
a) Perlin noise
b) Voronoi diagram
c) Mandelbrot set
d) Delaunay triangulation
Answer: c) Mandelbrot set.
Explanation – Mandelbrot set is a commonly used algorithm for generating fractals in computer graphics that involves iteratively calculating complex numbers and determining whether they are in the set.
20. Which of the following is a technique used for simulating soft bodies?
a) Finite element method
b) Finite difference method
c) Particle system
d) Mass-spring system
Answer: d) Mass
Explanation – Mass-spring systems are a technique used for simulating soft bodies in computer graphics that involve modeling the soft body as a collection of masses connected by springs.
21. Which of the following is a commonly used algorithm for rendering shadows?
a) Z-buffering
b) Ray tracing
c) Shadow mapping
d) Rasterization
Answer: c) Shadow mapping.
Explanation – Shadow mapping is a commonly used algorithm for rendering shadows in computer graphics that involves projecting the scene from the point of view of the light source to generate a depth map of the scene.
22. Which of the following is a commonly used technique for modeling terrain?
a) Fractal noise
b) Particle system
c) Finite element method
d) Mass-spring system
Answer: a) Fractal noise.
Explanation – Fractal noise is a commonly used technique for modeling terrain in computer graphics that involves generating random noise and applying filters to create a realistic terrain.
23. Which of the following is a commonly used technique for simulating water?
a) Finite element method
b) Particle system
c) Lattice Boltzmann method
d) Smoothed particle hydrodynamics
Answer: d) Smoothed particle hydrodynamics. Smoothed particle hydrodynamics is a commonly used technique for simulating water in computer graphics that involves modeling the water as a collection of particles that interact with each other through a smoothing kernel.
24. Which of the following is a commonly used algorithm for generating procedural textures?
a) Perlin noise
b) Voronoi diagram
c) Mandelbrot set
d) Delaunay triangulation
Answer: a) Perlin noise.
Explanation – Perlin noise is a commonly used algorithm for generating procedural textures in computer graphics that involves interpolating random values at different scales and frequencies.
25. Which of the following is a technique used for simulating hair?
a) Particle system
b) Mass-spring system
c) Finite element method
d) Lattice Boltzmann method
Answer: a) Particle system.
Explanation – Particle systems are a technique used for simulating hair in computer graphics that involve modeling the hair as a collection of particles that are affected by forces such as gravity and wind.
26. Which of the following is a commonly used technique for modeling fog?
a) Particle system
b) Finite element method
c) Volumetric rendering
d) Lattice Boltzmann method
Answer: c) Volumetric rendering.
Explanation – Volumetric rendering is a commonly used technique for modeling fog in computer graphics that involves rendering the fog as a volume and integrating the light that passes through it.
27. Which of the following is a commonly used technique for simulating smoke?
a) Finite element method
b) Particle system
c) Lattice Boltzmann method
d) Smoothed particle hydrodynamics
Answer: c) Lattice Boltzmann method.
Explanation – Lattice Boltzmann method is a commonly used technique for simulating smoke in computer graphics that involves modeling the smoke as a collection of particles that undergo collisions and interactions.
28. Which of the following is a commonly used technique for modeling grass?
a) Particle system
b) Mass-spring system
c) Finite element method
d) Lattice Boltzmann method
Answer: a) Particle system.
Explanation – Particle systems are a commonly used technique for modeling grass in computer graphics that involve modeling the grass as a collection of particles that are affected by forces such as wind
29. Which of the following is a commonly used technique for simulating fire?
a) Finite element method
b) Particle system
c) Lattice Boltzmann method
d) Smoothed particle hydrodynamics
Answer: b) Particle system.
Explanation – Particle systems are a commonly used technique for simulating fire in computer graphics that involve modeling the fire as a collection of particles that undergo combustion and interact with each other.
30. Which of the following is a commonly used technique for rendering reflections?
a) Ray tracing
b) Z-buffering
c) Shadow mapping
d) Rasterization
Answer: a) Ray tracing.
Explanation – Ray tracing is a commonly used technique for rendering reflections in computer graphics that involves tracing rays from the camera to the scene and computing the reflection of each ray.
31. Which of the following is a commonly used technique for rendering refractions?
a) Rasterization
b) Shadow mapping
c) Ray tracing
d) Z-buffering
Answer: c) Ray tracing.
Explanation – Ray tracing is a commonly used technique for rendering refractions in computer graphics that involves tracing rays through transparent materials and computing the refraction of each ray.
32. Which of the following is a commonly used technique for rendering soft shadows?
a) Shadow mapping
b) Rasterization
c) Ray tracing
d) Z-buffering
Answer: c) Ray tracing.
Explanation – Ray tracing is a commonly used technique for rendering soft shadows in computer graphics that involves tracing multiple rays from the light source to the scene and computing the shadow based on the intersection of each ray.
33. Which of the following is a commonly used technique for rendering ambient occlusion?
a) Z-buffering
b) Shadow mapping
c) Rasterization
d) Ray tracing
Answer: d) Ray tracing.
Explanation – Ray tracing is a commonly used technique for rendering ambient occlusion in computer graphics that involves tracing rays from each point in the scene to compute the amount of ambient light that reaches the point.
34. Which of the following is a commonly used technique for rendering caustics?
a) Rasterization
b) Shadow mapping
c) Ray tracing
d) Z-buffering
Answer: c) Ray tracing.
Explanation – Ray tracing is a commonly used technique for rendering caustics in computer graphics that involves tracing rays through refractive materials and computing the caustic pattern based on the intersection of each ray.
35. Which of the following is a commonly used technique for rendering subsurface scattering?
a) Rasterization
b) Shadow mapping
c) Ray tracing
d) Z-buffering
Answer: c) Ray tracing.
Explanation – Ray tracing is a commonly used technique for rendering subsurface scattering in computer graphics that involves tracing rays through translucent materials and computing the subsurface scattering based on the intersection of each ray.
36. Which of the following is a commonly used technique for rendering depth of field?
a) Z-buffering
b) Shadow mapping
c) Rasterization
d) Ray tracing
Answer: d) Ray tracing.
Explanation – Ray tracing is a commonly used technique for rendering depth of field in computer graphics that involves tracing rays from the camera and blurring the portions of the image that are out of focus.
37. Which of the following is a commonly used technique for rendering motion blur?
a) Shadow mapping
b) Rasterization
c) Ray tracing
d) Z-buffering
Answer: b) Rasterization.
Explanation – Rasterization is a commonly used technique for rendering motion blur in computer graphics that involves rendering multiple frames of the scene and blending them together based on the motion of each object.
38. Which of the following is a commonly used technique for rendering image-based lighting?
a) Rasterization
b) Z-buffering
c) Shadow mapping
d) Ray tracing
Answer: d) Ray tracing.
Explanation – Ray tracing is a commonly used technique for rendering image-based lighting in computer graphics that involves tracing rays from each point in the scene to a precomputed environment map and using the color and intensity of the map to compute the lighting at each point.
39. Which of the following is a commonly used technique for rendering global illumination?
a) Z-buffering
b) Shadow mapping
c) Rasterization
d) Ray tracing
Answer: d) Ray tracing.
Explanation – Ray tracing is a commonly used technique for rendering global illumination in computer graphics that involves tracing rays from each point in the scene and computing the indirect lighting contribution from each ray intersection.
40. Which of the following is a commonly used technique for rendering hair and fur?
a) Particle systems
b) Rasterization
c) Shadow mapping
d) Z-buffering
Answer: a) Particle systems.
Explanation – Particle systems are a commonly used technique for rendering hair and fur in computer graphics that involve modeling each hair or fur strand as a collection of particles that are rendered as thin cylinders.
41. Which of the following is a commonly used technique for modeling and rendering cloth?
a) Finite element method
b) Particle system
c) Lattice Boltzmann method
d) Smoothed particle hydrodynamics
Answer: a) Finite element method.
Explanation – The finite element method is a commonly used technique for modeling and rendering cloth in computer graphics that involves breaking the cloth into small segments and simulating the physical properties of each segment.
42. Which of the following is a commonly used technique for modeling and rendering fluids?
a) Z-buffering
b) Shadow mapping
c) Particle system
d) Ray tracing
Answer: c) Particle system.
Explanation – Particle systems are a commonly used technique for modeling and rendering fluids in computer graphics that involve modeling the fluid as a collection of particles that interact with each other and with the surrounding environment.
43. Which of the following is a commonly used technique for modeling and rendering smoke?
a) Z-buffering
b) Shadow mapping
c) Lattice Boltzmann method
d) Ray tracing
Answer: c) Lattice Boltzmann method.
Explanation – The lattice Boltzmann method is a commonly used technique for modeling and rendering smoke in computer graphics that involves simulating the movement of a fluid on a lattice.
44. Which of the following is a commonly used technique for modeling and rendering fire?
a) Z-buffering
b) Shadow mapping
c) Particle system
d) Ray tracing
Answer: c) Particle system.
Explanation – Particle systems are a commonly used technique for modeling and rendering fire in computer graphics that involve modeling the fire as a collection of particles that undergo combustion and interact with each other.
45. Which of the following is a commonly used technique for modeling and rendering terrain?
a) Z-buffering
b) Shadow mapping
c) Rasterization
d) Heightmaps
Answer: d) Heightmaps.
Explanation – Heightmaps are a commonly used technique for modeling and rendering terrain in computer graphics that involves representing the terrain as a 2D grid of height values.
The Computer Graphics MCQ Quiz questions presented here cover a wide range of topics, from basic principles to advanced techniques. By testing your knowledge and understanding of this exciting field, these questions can help you prepare for a career in industries such as entertainment, gaming, education, and engineering that rely heavily on computer graphics. Follow our Freshersnow website daily to get the latest updates on various IT-related articles.