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Fundamentals of Rendering

Description: This quiz covers the fundamentals of rendering, including the basics of light and color, the different types of rendering techniques, and the factors that affect the quality of a rendered image.
Number of Questions: 15
Created by:
Tags: computer graphics rendering light color ray tracing rasterization
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Which of the following is not a primary color of light?

  1. Red

  2. Green

  3. Blue

  4. Yellow

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Correct Option: D
Explanation:

Yellow is a secondary color of light, which means it can be created by mixing red and green light.

What is the process of converting a 3D model into a 2D image called?

  1. Rendering

  2. Rasterization

  3. Ray Tracing

  4. Shading

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Correct Option: A
Explanation:

Rendering is the process of converting a 3D model into a 2D image.

Which of the following is a type of rendering technique that uses rays to simulate the way light travels through a scene?

  1. Ray Tracing

  2. Rasterization

  3. Scanline Rendering

  4. Z-Buffering

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Correct Option: A
Explanation:

Ray tracing is a type of rendering technique that uses rays to simulate the way light travels through a scene.

Which of the following is a type of rendering technique that divides the image into small squares (pixels) and then calculates the color of each pixel individually?

  1. Ray Tracing

  2. Rasterization

  3. Scanline Rendering

  4. Z-Buffering

Show answer
Correct Option: B
Explanation:

Rasterization is a type of rendering technique that divides the image into small squares (pixels) and then calculates the color of each pixel individually.

Which of the following factors affects the quality of a rendered image?

  1. The number of polygons in the 3D model

  2. The resolution of the output image

  3. The lighting conditions in the scene

  4. All of the above

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Correct Option: D
Explanation:

All of the above factors affect the quality of a rendered image.

What is the purpose of a normal map in rendering?

  1. To store the color of each pixel in the image

  2. To store the depth of each pixel in the image

  3. To store the direction of the surface normal at each point in the model

  4. To store the texture coordinates for each pixel in the image

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Correct Option: C
Explanation:

A normal map is used to store the direction of the surface normal at each point in the model.

What is the purpose of a texture map in rendering?

  1. To store the color of each pixel in the image

  2. To store the depth of each pixel in the image

  3. To store the direction of the surface normal at each point in the model

  4. To store the texture coordinates for each pixel in the image

Show answer
Correct Option: D
Explanation:

A texture map is used to store the texture coordinates for each pixel in the image.

What is the purpose of a bump map in rendering?

  1. To store the color of each pixel in the image

  2. To store the depth of each pixel in the image

  3. To store the direction of the surface normal at each point in the model

  4. To store the texture coordinates for each pixel in the image

Show answer
Correct Option: B
Explanation:

A bump map is used to store the depth of each pixel in the image.

What is the purpose of a specular map in rendering?

  1. To store the color of each pixel in the image

  2. To store the depth of each pixel in the image

  3. To store the direction of the surface normal at each point in the model

  4. To store the texture coordinates for each pixel in the image

Show answer
Correct Option: A
Explanation:

A specular map is used to store the color of each pixel in the image.

What is the purpose of an environment map in rendering?

  1. To store the color of each pixel in the image

  2. To store the depth of each pixel in the image

  3. To store the direction of the surface normal at each point in the model

  4. To store the texture coordinates for each pixel in the image

Show answer
Correct Option: C
Explanation:

An environment map is used to store the direction of the surface normal at each point in the model.

What is the purpose of a shadow map in rendering?

  1. To store the color of each pixel in the image

  2. To store the depth of each pixel in the image

  3. To store the direction of the surface normal at each point in the model

  4. To store the texture coordinates for each pixel in the image

Show answer
Correct Option: B
Explanation:

A shadow map is used to store the depth of each pixel in the image.

What is the purpose of a light map in rendering?

  1. To store the color of each pixel in the image

  2. To store the depth of each pixel in the image

  3. To store the direction of the surface normal at each point in the model

  4. To store the texture coordinates for each pixel in the image

Show answer
Correct Option: A
Explanation:

A light map is used to store the color of each pixel in the image.

What is the purpose of a reflection map in rendering?

  1. To store the color of each pixel in the image

  2. To store the depth of each pixel in the image

  3. To store the direction of the surface normal at each point in the model

  4. To store the texture coordinates for each pixel in the image

Show answer
Correct Option: C
Explanation:

A reflection map is used to store the direction of the surface normal at each point in the model.

What is the purpose of a refraction map in rendering?

  1. To store the color of each pixel in the image

  2. To store the depth of each pixel in the image

  3. To store the direction of the surface normal at each point in the model

  4. To store the texture coordinates for each pixel in the image

Show answer
Correct Option: C
Explanation:

A refraction map is used to store the direction of the surface normal at each point in the model.

What is the purpose of a displacement map in rendering?

  1. To store the color of each pixel in the image

  2. To store the depth of each pixel in the image

  3. To store the direction of the surface normal at each point in the model

  4. To store the texture coordinates for each pixel in the image

Show answer
Correct Option: B
Explanation:

A displacement map is used to store the depth of each pixel in the image.

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