2D Computer Graphics Quizzes: Test Your Knowledge

Question 1

Which geometric transformation, when applied to a 2D object, will alter its shape?

Accepted Answer

Shearing

Answer

Scaling

Answer

Rotation

Answer

Translation

Question 2

To double the size of a 2D image in both width and height, which transformation matrix should be applied?

Accepted Answer

[2 0 0][0 2 0][0 0 1]

Answer

[0.5 0 0][0 0.5 0][0 0 1]

Answer

[1 0 0][0 1 0][2 2 1]

Answer

[0 1 0][1 0 0][0 0 1]

Question 3

In 2D graphics, which operation is essential for altering and manipulating images?

Accepted Answer

Geometric transformations

Answer

Ray tracing

Answer

Depth buffering

Answer

Phong shading

Question 4

Which of the following is NOT a fundamental type of 2D geometric transformation in computer graphics?

Accepted Answer

Warping

Answer

Translation

Answer

Rotation

Answer

Scaling

Question 5

Which of the following is NOT a fundamental 2D geometric transformation?

Accepted Answer

Extrusion

Answer

Scaling

Answer

Rotation

Answer

Translation

Question 6

Which of the following is NOT a basic shape used in 2D graphics?

Accepted Answer

Spheres

Answer

Points

Answer

Lines

Answer

Polygons

Question 7

Which geometric transformation combines translation, rotation, and scaling?

Accepted Answer

Affine transformation

Answer

Pixel-based transformation

Answer

Perspective transformation

Answer

Bilinear transformation

Question 8

What is a key advantage of raster graphics compared to vector graphics?

Accepted Answer

Raster graphics can represent continuous tones and colors more accurately.

Answer

Raster graphics are more efficient in terms of memory usage.

Answer

Raster graphics are easier to edit and manipulate.

Answer

Raster graphics are better suited for representing complex shapes and curves.

Question 9

Which of the following is a geometric transformation in 2D graphics?

Accepted Answer

Translation

Accepted Answer

Rotation

Accepted Answer

Scaling

Answer

Colorization

Question 10

Which characteristic is unique to raster graphics?

Accepted Answer

Composed of individual pixels

Answer

Independent of resolution

Answer

Suitable for detailed illustrations

Answer

Limited in representing photographs

Question 11

What is the fundamental difference between pixel and vector graphics in terms of resolution dependency?

Accepted Answer

Pixel graphics are resolution-dependent, while vector graphics are resolution-independent.

Answer

Vector graphics are resolution-dependent, while pixel graphics are resolution-independent.

Answer

Both pixel and vector graphics are resolution-dependent.

Answer

Both pixel and vector graphics are resolution-independent.

Question 12

Which algorithm is commonly used in 2D computer graphics to fill the interior of a polygon with a specified color?

Accepted Answer

Scanline Algorithm

Answer

Bresenham's Line Algorithm

Answer

DDA Line Algorithm

Answer

Midpoint Line Algorithm

Question 13

Which of the following is NOT a basic geometric shape used in 2D vector graphics?

Accepted Answer

Pixel

Answer

Polygon

Answer

Circle

Answer

Line segment

Question 14

Which characteristic is NOT associated with vector graphics?

Accepted Answer

Pixel-based

Answer

Resolution-independent

Answer

Object-oriented

Answer

High scalability

Question 15

Which attribute uniquely distinguishes vector graphics from raster graphics?

Accepted Answer

Can be resized without losing quality

Answer

Composed of pixels

Answer

Has a limited color range

Question 16

In 2D computer graphics, which technique is used to reduce jagged edges and create smoother lines in digital images?

Accepted Answer

Supersampling

Answer

Dithering

Answer

Median filtering

Question 17

In computer graphics, which technique is used to reduce jagged edges in images?

Accepted Answer

Supersampling

Answer

Jaggies

Answer

Z-Buffering

Answer

Depth Culling

Question 18

Which step is NOT part of the rasterization process?

Accepted Answer

Shading

Answer

Discretization

Answer

Interpolation

Answer

Scan conversion

Question 19

Within the realm of 2D computer graphics, which of these operations is NOT considered a geometric transformation?

Accepted Answer

Color Modification

Answer

Translation

Answer

Rotation

Question 20

What is a defining characteristic that sets vector graphics apart from raster graphics?

Accepted Answer

Resolution independence

Answer

Smaller file size

Answer

Widely used in web design

Answer

Exclusively used for 3D modeling

Question 21

Which algorithm is commonly used to clip a line against a convex polygon?

Accepted Answer

Cohen-Sutherland clipping algorithm

Answer

Bresenham's algorithm

Answer

Liang-Barsky algorithm

Answer

Midpoint algorithm

Question 22

In 2D computer graphics, which transformation changes an object's direction by spinning it around a fixed point?

Accepted Answer

Rotation

Answer

Translation

Answer

Scaling

Answer

Shearing

Question 23

In 2D graphics, which projection technique maintains the parallelism of lines and the relative sizes of objects when converting a 3D scene to a 2D plane?

Accepted Answer

Orthographic Projection

Answer

Perspective Projection

Answer

Isometric Projection

Question 24

What is the main purpose of anti-aliasing in 2D graphics?

Accepted Answer

Smooth jagged edges of lines and curves

Answer

Reduce the number of colors in an image

Answer

Increase the image's resolution

Answer

Compress an image without losing significant detail

Question 25

In computer graphics, which technique is specifically used to remove jagged edges from lines and curves?

Accepted Answer

Anti-aliasing

Answer

Dithering

Answer

Supersampling

Answer

Vectorization

Question 26

Which of the following is NOT a fundamental type of 2D geometric transformation?

Accepted Answer

Projection

Answer

Rotation

Answer

Translation

Answer

Scaling

Question 27

Identify the matrix that represents a rotation around the origin by an angle θ:

Accepted Answer

[cos(θ) -sin(θ)]
[sin(θ) cos(θ)]

Answer

[cos(θ) sin(θ)]
[-sin(θ) cos(θ)]

Answer

[sin(θ) cos(θ)]
[cos(θ) -sin(θ)]

Answer

[-cos(θ) sin(θ)]
[-sin(θ) cos(θ)]

Question 28

Which geometric transformation enlarges an object while maintaining its shape?

Accepted Answer

Scaling

Answer

Rotation

Answer

Translation

Answer

Shearing

Question 29

In 2D computer graphics, what is the most efficient and accurate method to apply a sequence of geometric transformations to an object while maintaining the correct order of operations?

Accepted Answer

Utilizing a single, combined transformation matrix.

Answer

Applying each transformation matrix individually and in succession.

Question 30

In 2D graphics, what is the main purpose of a clipping algorithm?

Accepted Answer

To determine the visible portions of an image within a specified area

Answer

To enhance the efficiency of the graphics pipeline

Answer

To remove hidden surfaces and objects

Answer

To minimize data processing and storage requirements

Question 31

In 2D graphics, what's the key difference between orthographic and perspective projection?

Accepted Answer

Orthographic projection keeps object dimensions and angles the same, while perspective projection shows objects as smaller and closer to the viewer.

Answer

Perspective projection keeps object dimensions and angles the same, while orthographic projection shows objects as smaller and closer to the viewer.

Answer

Both orthographic and perspective projections show objects with the same dimensions and angles.

Answer

I'm not sure about the difference between the two.

Question 32

In the realm of digital displays and computer graphics, which color model reigns supreme as the standard for representing and manipulating colors?

Accepted Answer

RGB

Answer

CMYK

Answer

HSV

Answer

YCbCr

Question 33

Which geometric transformation moves an object a certain distance along the x and y axes?

Accepted Answer

Translation

Answer

Rotation

Answer

Scaling

Answer

Reflection

Question 34

The process of converting a vector image into a pixel-based representation is known as:

Accepted Answer

Rasterization

Answer

Vectorization

Answer

Anti-aliasing

Answer

Smoothing

Question 35

In computer graphics, what is the primary purpose of a Z-buffer?

Accepted Answer

Storing the depth values of pixels

Answer

Determining which objects are visible in a scene

Answer

Calculating lighting and shading effects

Answer

Managing transparency

Question 36

Of the following color models, the one commonly used in 2D computer graphics is:

Accepted Answer

RGB

Answer

CMYK

Answer

HSV

Answer

Lab

Question 37

Bresenham's line algorithm is primarily used for:

Accepted Answer

Drawing lines with minimal computation

Answer

Detecting intersections between lines

Answer

Filling polygons with a specific pattern

Answer

Calculating the gradient of a line

Question 38

Which 2D file format can support both raster and vector graphics?

Accepted Answer

SVG

Answer

JPEG

Answer

PNG

Answer

GIF

Question 39

A texture map in 2D computer graphics is primarily used for:

Accepted Answer

Adding detail and realism to surfaces

Answer

Reducing the number of polygons in a scene

Answer

Controlling the lighting and shading of objects

Answer

Creating animations

Question 40

Quadtrees in 2D computer graphics are used for:

Accepted Answer

Efficiently representing and manipulating hierarchical data

Answer

Storing the depth values of pixels

Answer

Handling transparency in images

Answer

Calculating the visibility of objects in a scene

Question 41

In 2D computer graphics, what is the primary goal of using anti-aliasing?

Accepted Answer

Remove jagged edges from lines and curves.

Answer

Increase image resolution.

Answer

Reduce image file size.

Answer

Enhance graphics system performance.

Question 42

In 2D graphics, which technique is used to enhance image quality by minimizing the visibility of jagged edges?

Accepted Answer

Anti-Aliasing

Answer

Rasterization

Answer

Vectorization

Answer

Dithering

Question 43

Which of the following is a defining characteristic of depth buffering?

Accepted Answer

It is a technique used to eliminate hidden surfaces.

Answer

It is always more efficient than other hidden surface removal algorithms.

Answer

It can only be used with perspective projections.

Question 44

What is the term for a polygon that is filled with a solid color?

Accepted Answer

Filled polygon

Answer

Stroked polygon

Answer

Beveled polygon

Answer

Extruded polygon

Question 45

Which data structure is commonly used to represent 2D images in computer graphics?

Accepted Answer

Array

Answer

Linked list

Answer

Tree

Answer

Graph

Question 46

What transformation is used to flip an image either horizontally or vertically?

Accepted Answer

Reflection

Answer

Translation

Answer

Rotation

Answer

Scaling

Question 47

Which file format is commonly employed to store vector graphics?

Accepted Answer

SVG

Answer

JPEG

Answer

PNG

Answer

BMP

Question 48

What is the key difference between a 24-bit color depth and a 32-bit color depth?

Accepted Answer

32-bit has an additional alpha channel for transparency.

Answer

24-bit has more colors than 32-bit.

Answer

24-bit uses more memory than 32-bit.

Answer

There is no difference.

Question 49

Which algorithm is commonly used to generate Bézier curves?

Accepted Answer

De Casteljau's algorithm

Answer

Bresenham's algorithm

Answer

Cohen-Sutherland line clipping algorithm

Answer

Midpoint circle algorithm

Question 50

Which transformation matrix rotates a 2D object around a specified point?

Accepted Answer

Rotation matrix

Answer

Translation matrix

Answer

Scaling matrix

Answer

Shear matrix

Question 51

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

Accepted Answer

Converting vector graphics into pixel-based images

Answer

Determining the visibility of objects in a scene

Answer

Calculating lighting and shading effects

Answer

Performing anti-aliasing

Question 52

Which anti-aliasing technique blends the colors of adjacent pixels?

Accepted Answer

Spatial anti-aliasing

Answer

Supersampling

Answer

Multisampling

Answer

Temporal anti-aliasing

Question 53

Which data structure is commonly used to represent 2D images as a grid of pixels?

Accepted Answer

Array

Answer

Linked list

Answer

Hash table

Answer

Tree

Question 54

What is the primary responsibility of the graphics pipeline in a computer graphics system?

Accepted Answer

Translating high-level graphics commands into instructions for the graphics hardware

Answer

Storing and managing 3D models and textures

Answer

Performing lighting and shading calculations

Answer

Managing the input and output of graphics data

Question 55

What is the purpose of depth buffering in computer graphics?

Accepted Answer

Storing the depth values of objects in the scene

Answer

Determining which objects are visible in a scene

Answer

Calculating the shading of objects

Answer

Preventing aliasing in images

Question 56

Which of the following image file formats is commonly used in computer graphics and supports lossy compression?

Accepted Answer

JPEG

Answer

PNG

Answer

BMP

Answer

SVG

Question 57

Which geometric transformation modifies the size of an object without changing its shape?

Accepted Answer

Scale

Answer

Rotation

Answer

Translation

Answer

Shear

Question 58

Which of the following is a non-primitive shape in 2D computer graphics?

Accepted Answer

Pentagon

Answer

Triangle

Answer

Circle

Answer

Rectangle

Question 59

What is the fundamental difference between a pixel and a texel?

Accepted Answer

Pixels are physical units on a display, while texels are virtual units in a texture.

Answer

Texels are physical units on a display, while pixels are virtual units in a texture.

Answer

Pixels and texels are interchangeable terms.

Answer

Pixels are used for images, while texels are used for sounds.

Question 60

Which color model is perceptually based, closely resembling how humans perceive color?

Accepted Answer

HSV

Answer

RGB

Answer

CMYK

Answer

YUV

Question 61

What is the main function of a frame buffer in 2D computer graphics?

Accepted Answer

Storing the current image to be displayed

Answer

Performing geometric transformations

Answer

Applying lighting and shading effects

Answer

Managing textures and materials

Question 62

Bezier curves are commonly used in 2D graphics for creating smooth shapes. Which of these is NOT a typical application of Bezier curves?

Accepted Answer

Planning paths for robots

Answer

Animating characters smoothly

Answer

Designing intricate logos

Question 63

Describe the concept of procedural texture generation in 2D computer graphics. Explain how procedural textures can be used to create realistic and visually appealing textures for 2D graphics.

Accepted Answer

Procedural textures are created using predefined rules and algorithms, providing a consistent way to generate unique and varied textures.

Answer

Procedural textures are always better than hand-crafted textures in terms of visual quality.

Answer

Procedural textures are not suitable for creating realistic textures because they lack the detail found in real-world materials.

Answer

Procedural textures are limited to simple 2D shapes and cannot be applied to complex objects.

Question 64

How do interpolation techniques like bilinear and bicubic interpolation enhance the visual quality of images that have been scaled or rotated?

Accepted Answer

Reduce visual artifacts like pixelation and jagged lines

Answer

Increase the file size of the image

Answer

Alter the aspect ratio of the image