Computer Graphics Quizzes: Test Your Knowledge

Question 1

In 2D computer graphics, which transformation combines scaling, rotation, and translation?

Accepted Answer

Affine transformation

Answer

Perspective transformation

Answer

Shear transformation

Answer

Homogeneous transformation

Question 2

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

Accepted Answer

Extrusion

Answer

Translation

Answer

Rotation

Answer

Scaling

Question 3

Which step is not part of the standard computer graphics pipeline?

Accepted Answer

Compiling

Answer

Modeling

Answer

Shading

Answer

Texturing

Question 4

Which stage in the computer graphics pipeline transforms a 3D model into a 2D image?

Accepted Answer

Rendering

Answer

Modeling

Answer

Shading

Answer

Animation

Question 5

In computer graphics, which transformation is used to rotate an object around a specific axis?

Accepted Answer

Rotation

Answer

Translation

Answer

Scaling

Answer

Shearing

Question 6

Which stage is not part of the standard computer graphics pipeline?

Accepted Answer

Physics simulation

Answer

Modeling

Answer

Rasterization

Answer

Shading

Question 7

In the computer graphics rendering pipeline, which stage is responsible for adding realistic lighting and shading effects to 3D objects?

Accepted Answer

Shading

Answer

Modeling

Answer

Texturing

Answer

Rasterization

Question 8

In the computer graphics pipeline, which step involves creating the initial 3D model of an object or scene?

Accepted Answer

Modeling

Answer

Lighting

Answer

Texturing

Answer

Rendering

Question 9

In the computer graphics pipeline, which component is responsible for creating the initial 3D scene?

Accepted Answer

Modeler

Answer

Vertex shader

Answer

Geometry shader

Answer

Rasterizer

Question 10

In the computer graphics pipeline, which stage converts 3D models into 2D images?

Accepted Answer

Rasterization

Answer

Modeling

Answer

Animation

Answer

Shading

Question 11

In the computer graphics pipeline, which step generates the final image?

Accepted Answer

Rendering

Answer

Modeling

Answer

Animation

Answer

Shading

Question 12

Which transformation is NOT applicable to a 2D object?

Accepted Answer

Perspective projection

Answer

Scaling

Answer

Rotation

Answer

Translation

Question 13

Which of the following is NOT a fundamental transformation used in 2D and 3D computer graphics?

Accepted Answer

Shading

Answer

Translation

Answer

Scaling

Answer

Rotation

Question 14

In the computer graphics pipeline, which stage focuses on applying textures and surface details to 3D models?

Accepted Answer

Texturing

Answer

Modeling

Answer

Shading

Answer

Animation

Question 15

In the computer graphics pipeline, which component is responsible for storing the final image to be displayed on the screen?

Accepted Answer

Framebuffer

Answer

GPU

Answer

Vertex Shader

Answer

Rasterizer

Question 16

Which of the following is not a stage in the standard computer graphics pipeline?

Accepted Answer

Path tracing

Answer

Vertex processing

Answer

Texturing

Answer

Fragment processing

Question 17

Which transformation rotates an object clockwise around the z-axis in 3D space?

Accepted Answer

RotateZ(angle)

Answer

Translate(0, 0, z)

Answer

Rotate(x, y, z)

Answer

Scale(x, y, z)

Question 18

In computer graphics, which matrix is specifically used for rotating an object around the y-axis during 3D transformations?

Accepted Answer

Rotation Matrix

Answer

Translation Matrix

Answer

Scaling Matrix

Answer

Projection Matrix

Question 19

In computer graphics, which stage defines the virtual camera, scene geometry, and materials?

Accepted Answer

Modeling

Answer

Rasterization

Answer

Animation

Question 20

In computer graphics, which technique is used to determine if a geometric object is visible within a scene?

Accepted Answer

Clipping

Answer

Rasterization

Answer

Shading

Answer

Texturing

Question 21

In rasterization, which technique specifically corrects visual distortions caused by perspective shortening?

Accepted Answer

Perspective correction

Answer

Scan conversion

Answer

Anti-aliasing

Question 22

Which transformation is **not** applied to a vertex in a 3D graphics pipeline?

Accepted Answer

Skewing

Answer

Translation

Answer

Rotation

Answer

Scaling

Question 23

In computer graphics, which transformation involves moving an object along a straight path without changing its size or orientation?

Accepted Answer

Translation

Answer

Rotation

Answer

Scaling

Question 24

Select the technique primarily used to eliminate hidden surfaces and enhance rendering efficiency in a 3D scene:

Accepted Answer

Clipping

Answer

Rasterization

Answer

Shading

Answer

Texturing

Question 25

In computer graphics, which technique is used to determine whether geometric shapes are visible within the viewing area (viewing frustum)?

Accepted Answer

Clipping

Answer

Ray tracing

Answer

Collision detection

Answer

Back-face culling

Question 26

Which of the following are advantages of using OpenGL in computer graphics programming?

Accepted Answer

OpenGL is cross-platform.

Accepted Answer

OpenGL provides control over rendering.

Accepted Answer

OpenGL supports both 2D and 3D graphics.

Answer

OpenGL is closed-source.

Question 27

In virtual reality, which technique allows users to feel and interact with virtual objects and environments as if they were real?

Accepted Answer

Haptic feedback

Answer

Ray tracing

Answer

Inverse kinematics

Answer

Collision detection

Question 28

Which stage is NOT part of the computer graphics pipeline that converts 3D models into 2D images?

Accepted Answer

Tessellation

Answer

Vertex Shading

Answer

Rasterization

Answer

Fragment Shading

Question 29

Which stage is not part of the typical computer graphics pipeline?

Accepted Answer

Ray Tracing

Answer

Vertex Shading

Answer

Rasterization

Answer

Texture Mapping

Question 30

In rasterization, which technique assigns a color to a fragment by using information from a texture map?

Accepted Answer

Texture mapping

Answer

Z-buffering

Answer

Anti-aliasing

Answer

Depth sorting

Question 31

In computer graphics hardware, which type of memory is specifically designed for storing and managing the framebuffer, providing rapid access to image data during the rendering process?

Accepted Answer

VRAM

Answer

ROM

Answer

RAM

Answer

Cache Memory

Question 32

Which transformation can be applied to a 2D point to move it left or right?

Accepted Answer

Translation

Answer

Rotation

Answer

Scaling

Answer

Reflection

Question 33

In computer graphics, what is the primary function of rasterization?

Accepted Answer

Breaking down 3D models into 2D images for display

Answer

Converting 2D graphics into 3D objects

Answer

Adding textures, lighting, and other effects to 3D models

Question 34

In computer graphics, which technique simulates the interaction of light with surfaces to create realistic visual effects?

Accepted Answer

Ray tracing

Answer

Rasterization

Answer

Texture mapping

Answer

Z-buffering

Question 35

In computer graphics, what is the process called that converts three-dimensional (3D) coordinates to two-dimensional (2D) coordinates?

Accepted Answer

Projection

Answer

Rasterization

Answer

Clipping

Answer

Transformation

Question 36

Which transformation rotates an object around the z-axis?

Accepted Answer

Rotation around the z-axis

Answer

Translation

Answer

Scaling

Question 37

In a 3D scene with lighting and objects, which technique is used to determine which parts are visible and hidden?

Accepted Answer

Clipping

Answer

Rasterization

Answer

Shading

Answer

Texture mapping

Question 38

In the computer graphics pipeline, which step transforms the scene's geometry into a bitmap image?

Accepted Answer

Rasterization

Answer

Tessellation

Answer

Fragment shading

Question 39

In the computer graphics pipeline, which stage is responsible for converting geometric primitives into pixels, assigning colors, and comparing depths to create the final image?

Accepted Answer

Rasterization

Answer

Vertex Shading

Answer

Fragment Shading

Answer

Hidden Surface Removal

Question 40

Which feature is **not** offered by the OpenGL library in computer graphics?

Accepted Answer

Scene graph management

Answer

Rendering 3D graphics

Answer

Cross-platform compatibility

Question 41

In computer graphics, a primitive is defined as:

Accepted Answer

A basic geometric shape that forms the building blocks of more complex objects.

Answer

A complex shape made up of multiple primitives.

Answer

A mathematical formula that describes a shape.

Answer

A group of pixels that together form an image.

Question 42

In computer graphics, what are the various geometric transformations and how are they used in practical applications?

Accepted Answer

Translation, scaling, rotation, and shearing; these transformations manipulate objects' position, size, and orientation.

Answer

Extrusion, revolution, and tessellation; these transformations create complex 3D shapes from simpler ones.

Answer

Rasterization, scan conversion, and anti-aliasing; these transformations convert vector graphics into bitmap images.

Answer

Bump mapping, normal mapping, and displacement mapping; these transformations create the illusion of depth and surface texture.

Question 43

In the computer graphics pipeline, what is the purpose of rasterization?

Accepted Answer

Converts vector graphics into pixel-based images for display on screens.

Answer

Calculates shading and lighting for each pixel.

Answer

Exclusively used in 3D graphics for depth effects.

Answer

An optional step that can be skipped for efficiency.

Question 44

In the graphics pipeline, what is the primary function of framebuffers, and how do they contribute to displaying the final image on the screen?

Accepted Answer

Framebuffers store the final image for display on the screen, which is then sent to the monitor.

Answer

Framebuffers store intermediate results like depth and stencil buffers during the graphics pipeline.

Answer

Framebuffers store textures and materials used in the rendering process.

Question 45

In computer graphics, which transformation is used to resize an object around a specific point?

Accepted Answer

Scaling

Answer

Translation

Answer

Rotation

Answer

Shearing

Question 46

Which transformation in 2D computer graphics flips an object across an axis?

Accepted Answer

Reflection

Answer

Rotation

Answer

Translation

Question 47

In computer animation, the 'Twelve Principles of Animation' provide a set of guidelines. How do these principles help animators create engaging and realistic movement?

Accepted Answer

They guide animators in crafting visually appealing and emotionally impactful animations.

Answer

They define technical specifications for animating objects in 3D space.

Answer

They represent artistic styles and techniques for creating unique visual aesthetics.

Question 48

Which process involves transforming 3D models into 2D images for screen display?

Accepted Answer

Rendering

Answer

Animation

Answer

Modeling

Answer

Texturing

Question 49

Describe the primary function of a vertex shader in computer graphics.

Accepted Answer

Transformation of vertices

Answer

Application of lighting and shading

Answer

Creation of textures

Answer

Rendering of the final image

Question 50

Identify the term used to describe the process of creating realistic textures for computer graphics models.

Accepted Answer

Texturing

Answer

Modeling

Answer

Shading

Answer

Animation

Question 51

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

Accepted Answer

Quadratic curve

Answer

Point

Answer

Line

Question 52

What is the process of generating a 2D image from a 3D model referred to as?

Accepted Answer

Rendering

Answer

Modelling

Question 53

Which of the following defines the position and orientation of an object at a specific time in animation?

Accepted Answer

A keyframe

Answer

A frame that defines the initial state of an object

Answer

A frame that defines the final state of an object

Question 54

What is the primary purpose of a texture map in computer graphics?

Accepted Answer

To provide colour and detail to a 3D model

Answer

To define the shape of a 3D model

Question 55

What is the process known as that converts a 3D model into a series of 2D images?

Accepted Answer

Rasterization

Answer

Transform

Question 56

Which of the following is NOT a fundamental component of a graphics pipeline?

Accepted Answer

Data analysis

Answer

Geometry transformation

Answer

Scene management

Answer

Image composition

Question 57

What is the technique used to convert 3D objects into 2D representations for rendering?

Accepted Answer

Rasterization

Answer

Tessellation

Answer

Interpolation

Answer

Projection

Question 58

Which data structure is commonly used to represent 3D models?

Accepted Answer

Octree

Answer

Quadtree

Answer

B-tree

Answer

Graph

Question 59

What is the purpose of alpha blending in computer graphics?

Accepted Answer

To combine two images with different levels of transparency

Answer

To remove unwanted objects from an image

Answer

To adjust the brightness of an image

Answer

To convert an image to a different color space

Question 60

What is the main advantage of using shaders in computer graphics?

Accepted Answer

Increased flexibility and programmability of rendering operations

Answer

Reduced computational cost

Answer

Improved image quality

Answer

Simplified data structures

Question 61

What is the purpose of a z-buffer in computer graphics?

Accepted Answer

To store the depth values of pixels for hidden surface removal

Answer

To manage the order of transparent objects for correct rendering

Answer

To control the level of detail for objects based on distance

Answer

To apply textures to objects

Question 62

What is the purpose of using a color map in computer graphics?

Accepted Answer

To assign colors to different values or categories of data

Answer

To reduce the number of colors used in an image

Answer

To enhance the contrast of an image

Answer

To remove noise from an image

Question 63

What is the name of the algorithm used to remove hidden surfaces in a 3D scene?

Accepted Answer

Z-buffering

Answer

Ray tracing

Answer

Painter's algorithm

Answer

Back-face culling

Question 64

Which file format is commonly used for storing 3D models?

Accepted Answer

.obj

Answer

.jpeg

Answer

.mp4

Answer

.txt