Introduction to Computer Graphics: Interactive Learning Quizzes

Question 1

Which step is NOT involved in the scan conversion process for rasterizing a polygon?

Accepted Answer

Z-Buffering

Answer

Edge Detection

Answer

Fill

Answer

Anti-Aliasing

Question 2

Which of the following is NOT a fundamental concept covered in the unit 'Introduction to Computer Graphics'?

Accepted Answer

Neural Networks

Answer

Vertex

Answer

Scan Conversion

Answer

Rasterization

Question 3

In the graphics pipeline, which step converts a 3D model into a 2D image on the screen?

Accepted Answer

Rasterization

Answer

Vertex Shading

Answer

Texture Mapping

Answer

Z-Buffering

Question 4

In computer graphics, which operation is primarily used to manipulate the position and orientation of 3D objects in a scene?

Accepted Answer

Transformations (Translation, Rotation, Scaling)

Answer

Lighting

Answer

Texturing

Answer

Animation

Question 5

In computer graphics, which transformation uniformly alters an object's dimensions along all three axes (x, y, and z)?

Accepted Answer

Scaling

Answer

Rotation

Answer

Translation

Answer

Shearing

Question 6

Which of the following is **not** a fundamental type of 3D transformation?

Accepted Answer

Extrusion

Answer

Scaling

Answer

Rotation

Answer

Translation

Question 7

Which step is not considered a fundamental part of the graphics pipeline?

Accepted Answer

Deformation

Answer

Rasterization

Answer

Shading

Answer

Tessellation

Question 8

Which of the following transformations is exclusive to 2D graphics?

Accepted Answer

Shearing

Answer

Scaling

Answer

Rotation

Answer

Translation

Question 9

Which of the following is NOT a type of 3D transformation?

Accepted Answer

Projection

Answer

Scaling

Answer

Rotation

Answer

Translation

Question 10

Which of the following is NOT a fundamental geometric shape used in computer graphics?

Accepted Answer

Pixel

Answer

Vertex

Answer

Edge

Answer

Polygon

Question 11

Which of the following is NOT a fundamental transformation used to manipulate objects in 3D Computer Graphics?

Accepted Answer

Extrusion

Answer

Scaling

Answer

Rotation

Answer

Translation

Question 12

Which of the following is NOT a fundamental geometric primitive in computer graphics?

Accepted Answer

Pixel

Answer

Vertex

Answer

Edge

Answer

Face

Question 13

Which of the following is not a core concept in computer graphics?

Accepted Answer

Object-oriented programming

Answer

Rasterization

Answer

Illumination models

Question 14

In computer graphics, what is the primary purpose of parallax mapping?

Accepted Answer

Enhance the perception of depth and surface complexity

Answer

Accelerate the rendering process

Answer

Realistically simulate the casting of shadows

Answer

Decrease the polygon count of 3D models

Question 15

In computer graphics, what is the primary function of ambient occlusion?

Accepted Answer

Simulates global illumination by estimating light reaching a point from surrounding objects.

Answer

Creates depth and realism by adding artificial shadows.

Answer

Optimizes graphics pipeline performance by reducing light sources.

Answer

Adds fog or haze to create atmosphere.

Question 16

In a typical graphics pipeline, which transformation is NOT applicable to a 3D object?

Accepted Answer

Color Modification

Answer

Scaling

Answer

Rotation

Question 17

Which transformation type alters an object's dimensions in computer graphics?

Accepted Answer

Scaling

Answer

Rotation

Answer

Translation

Answer

Clipping

Question 18

In the rasterization pipeline, which stage converts primitive shapes into fragments?

Accepted Answer

Rasterization

Answer

Vertex Processing

Answer

Fragment Shading

Question 19

In computer graphics, a polygon is defined by its vertices. Which of the following options accurately describes the vertices of a polygon?

Accepted Answer

Vertices are connected to form a closed loop.

Answer

Vertices are not necessarily connected, allowing for open shapes.

Answer

Vertices are defined by their x- and y-coordinates only.

Question 20

In the graphics pipeline, which stage is responsible for determining the final color and shading of the image?

Accepted Answer

Fragment Shading

Answer

Vertex Shading

Answer

Rasterization

Answer

Physics Simulation

Question 21

In computer graphics, tessellation is a technique used to:

Accepted Answer

Subdivide a polygon into smaller polygons.

Answer

Apply color and texture to a model.

Answer

Conceal hidden surfaces in a scene.

Answer

Generate realistic shadows and lighting effects.

Question 22

In computer graphics, which 3D transformation type rotates an object around an axis?

Accepted Answer

Rotation

Answer

Translation

Answer

Scaling

Question 23

In computer graphics, what is the main purpose of bump mapping?

Accepted Answer

To simulate surface roughness and texture

Answer

To enhance 3D objects with color and variation

Answer

To generate realistic shadows and lighting

Answer

To improve the efficiency of the graphics pipeline

Question 24

In 3D computer graphics, which projection technique is used to create the illusion of depth, making objects farther away appear smaller?

Accepted Answer

Perspective projection

Answer

Orthographic projection

Answer

Isometric projection

Answer

Stereographic projection

Question 25

Which process in the graphics pipeline is **not** directly involved in transforming vertices or pixels?

Accepted Answer

Physics Simulation

Answer

Vertex Transformation

Answer

Fragment Processing

Answer

Rasterization

Question 26

In computer graphics, what is the process of converting a 3D model into a 2D image?

Accepted Answer

Rasterization

Answer

Ray tracing

Answer

Tessellation

Answer

Bump mapping

Question 27

In computer graphics, which transformation operation modifies an object's dimensions by scaling it?

Accepted Answer

Scaling

Answer

Translation

Answer

Rotation

Answer

Projection

Question 28

In computer graphics, which process identifies and eliminates hidden portions of a 3D object from the view?

Accepted Answer

Clipping

Answer

Shading

Question 29

In 3D modeling, which geometric element primarily represents a connection between two vertices?

Accepted Answer

Edge

Answer

Face

Answer

Vertex

Question 30

Tessellation, a technique used to subdivide polygons into smaller ones, enhances the level of detail and realism in computer graphics. What is the primary goal of tessellation in computer graphics?

Accepted Answer

Create smooth transitions between adjacent polygons, eliminating sharp edges

Answer

Reduce the overall size of the 3D model file for efficient storage and transmission

Answer

Optimize rendering performance by reducing the number of polygons

Question 31

In computer graphics, faces are essential components of polygons. Which of the following best defines a face?

Accepted Answer

A closed, planar surface formed by at least three non-collinear vertices

Answer

A closed loop of edges

Answer

A set of connected vertices

Answer

A group of coplanar vertices without shared edges

Question 32

In the computer graphics pipeline, which step converts 2D geometric shapes, like lines and triangles, into a raster image (a grid of pixels)?

Accepted Answer

Scan Conversion

Answer

Z-Buffering

Answer

Pixel Shading

Question 33

In the graphics pipeline, which step occurs after rasterization, where the image is converted into pixels?

Accepted Answer

Shading

Answer

Modeling

Answer

Tessellation

Question 34

Which concept is related to but not a core principle of computer graphics?

Accepted Answer

Digital image processing

Answer

Rasterization

Answer

3D modeling

Answer

Animation

Question 35

What is a key advantage of using displacement mapping in computer graphics?

Accepted Answer

Increases surface detail without adding polygons.

Answer

Enables real-time dynamic deformations.

Answer

Creates realistic textures.

Answer

Reduces rendering time for complex scenes.

Question 36

In computer graphics, orthographic projection is used to create 2D representations of 3D scenes. Which of the following is a key characteristic of orthographic projection?

Accepted Answer

Parallel lines remain parallel after projection.

Answer

Objects farther from the camera appear larger than those closer to the camera.

Answer

Objects closer to the camera are distorted and appear elongated.

Answer

The projection plane is perpendicular to the line of sight.

Question 37

In computer graphics, which transformation modifies an object's size and proportions?

Accepted Answer

Scaling

Answer

Translation

Answer

Rotation

Answer

Projection

Question 38

In computer graphics, what is a vertex?

Accepted Answer

A single point in 3D space

Answer

A collection of edges forming an object

Answer

A surface connecting vertices

Answer

A formula describing an object's shape

Question 39

In computer graphics, which camera projection technique simulates the human eye's image capture, providing a realistic depth and perspective?

Accepted Answer

Perspective Projection

Answer

Orthographic Projection

Answer

Axonometric Projection

Answer

Oblique Projection

Question 40

Which 3D transformation uniformly changes an object's size in all directions?

Accepted Answer

Scaling

Answer

Translation

Answer

Rotation

Answer

Shearing

Question 41

In 3D computer graphics, scaling uniformly adjusts an object's size along its three main axes (x, y, and z). Which operation accurately describes scaling in this context?

Accepted Answer

Enlarging the object's dimensions while preserving its shape

Answer

Stretching the object along a single axis

Answer

Rotating the object around a specific axis

Answer

Moving the object to a different location

Question 42

In 3D transformations, which operation involves moving an object from one point to another in 3D space?

Accepted Answer

Translation

Answer

Scaling

Answer

Rotation

Question 43

In rasterization, the scan conversion process transforms geometric primitives into a collection of:

Accepted Answer

Pixels

Answer

Vertices

Answer

Edges

Answer

Polygons

Question 44

In the computer graphics pipeline, what is the process known as that converts a 3D model into a 2D image?

Accepted Answer

Scan conversion

Answer

Vertex transformation

Answer

Fragment shading

Answer

Depth testing

Question 45

In computer graphics, which technique creates the illusion of motion by displaying a series of slightly altered images in sequence, resulting in the perception of continuous movement and animation?

Accepted Answer

Frame-based animation

Answer

Morphing

Answer

Keyframing

Answer

Bitmap animation

Question 46

In computer graphics, which technique organizes objects hierarchically to optimize rendering performance by enabling efficient traversal and visibility determination?

Accepted Answer

Scene Graph

Answer

Ray Tracing

Answer

Voxel Rendering

Answer

Z-Buffering

Question 47

In computer graphics, which technique is used to simulate the bending and refraction of light as it passes through transparent materials like glass or water, resulting in realistic optical effects?

Accepted Answer

Ray tracing

Answer

Rasterization

Answer

Z-buffering

Answer

Phong shading

Question 48

In 3D computer graphics, which transformation type rotates an object around an axis perpendicular to its surface?

Accepted Answer

Axis-Angle Rotation

Answer

Euler Angles

Answer

Quaternion Rotation

Answer

Spherical Linear Interpolation

Question 49

Which algorithm is used to render curved surfaces by dividing them into smaller triangles, creating a smooth representation of curved shapes?

Accepted Answer

Catmull-Clark subdivision surface

Answer

Bresenham's line algorithm

Answer

Z-buffer algorithm

Answer

Flood fill algorithm

Question 50

In computer graphics, which technique optimizes performance by using simplified representations or impostors for distant or less important objects?

Accepted Answer

Level of detail (LOD)

Answer

Ray tracing

Answer

Z-buffering

Answer

Anti-aliasing

Question 51

Which algorithms generate realistic fractal patterns, such as landscapes, trees, and clouds, using iterative processes and randomness?

Accepted Answer

Midpoint Displacement Algorithm

Accepted Answer

L-Systems

Answer

Bresenham's Line Algorithm

Answer

Ray Tracing Algorithm

Question 52

Which computer graphics technique generates realistic textures and materials using mathematical functions or noise patterns?

Accepted Answer

Procedural texturing

Answer

Ambient occlusion

Answer

Ray tracing

Question 53

Which of the following stages is NOT a core part of the computer graphics pipeline?

Accepted Answer

Animation

Answer

Modeling

Answer

Texturing

Answer

Shading

Question 54

What is the process of transforming a three-dimensional object into a two-dimensional image referred to as?

Accepted Answer

Rasterization

Answer

Tessellation

Answer

Projection

Answer

Rendering

Question 55

Which illumination model assumes light sources emit rays uniformly in all directions?

Accepted Answer

Lambertian

Answer

Phong

Answer

Blinn-Phong

Answer

Physical-Based Rendering (PBR)

Question 56

What is the primary benefit of utilizing GPU acceleration in computer graphics?

Accepted Answer

Enhanced performance and efficiency

Answer

Improved image quality

Answer

Lower hardware expenses

Answer

Increased software versatility

Question 57

What is the purpose of employing anti-aliasing in computer graphics?

Accepted Answer

Reducing visible stair-stepping on diagonal lines

Answer

Increasing the resolution of an image

Answer

Improving lighting effects

Answer

Adding motion blur to objects

Question 58

What is the importance of perspective projection in computer graphics?

Accepted Answer

It creates the illusion of depth in 3D scenes

Answer

It simplifies the rendering process

Answer

It represents objects accurately relative to one another

Answer

It simplifies the modeling process

Question 59

Within the graphics pipeline, which stage is dedicated to preparing vertex data for rasterization, encompassing vertex transformations, clipping, and culling?

Accepted Answer

Vertex Processing

Answer

Fragment Processing

Answer

Rasterization

Question 60

In computer graphics, what is the main purpose of using level-of-detail (LOD) techniques?

Accepted Answer

Reduce the number of polygons rendered to improve performance

Answer

Increase the accuracy of surface representations for more realistic models

Answer

Enhance the visual quality of textures for more immersive experiences

Question 61

Describe the purpose of shaders within the graphics pipeline and explain the various types of shaders commonly used in modern computer graphics.

Accepted Answer

Shaders are programs executed on the GPU that calculate the final color of each pixel displayed on the screen.

Answer

Shaders are only utilized in 3D graphics applications and not in 2D graphics.

Answer

In computer graphics, there is only one type of shader that handles all aspects of rendering.

Question 62

Which illumination model considers the interaction of light with surfaces, taking into account both direct and indirect illumination?

Accepted Answer

Cook-Torrance model

Answer

Lambert model

Answer

Phong model

Answer

Blinn-Phong model

Question 63

Which color space is commonly used in computer graphics to represent colors with components ranging from 0 to 255?

Accepted Answer

RGB

Answer

CMYK

Answer

HSV

Answer

HSB

Question 64

What is the term used to describe the process of interpolating pixel attributes (e.g., color, depth) across a primitive, such as a triangle?

Accepted Answer

Interpolation

Answer

Tessellation

Answer

Fragmentation

Answer

Filtering