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WorksheetsMultimedia Chapter 3
Total questions: 75
Worksheet time: 38mins
What is the purpose of surface definition in 3-D graphics?
Translate 3-D information to a 2-D image
Create a diorama with 3D objects, lights, and cameras
Specify the shape of the 3-D object
Apply lighting and shaders to the object
Which technique is used to create objects with soft edges in 3-D graphics?
Metaball modeling
Polygon modeling
Formula modeling
Spline modeling
What is the main advantage of vector graphics over bitmapped graphics?
Large file sizes
Precise editing control
Easily scaled objects
High-quality, realistic surfaces
What is the main disadvantage of bitmapped images?
Device-independent
Inaccurate representation of complex contone images
Loss of precise shapes when scaled or rotated
No photo-editing capability
Which file format is commonly used for lossy compression of graphic files?
PICT
BMP
TIFF
JPEG
What is the process of adding samples to a file to increase its resolution?
Upsampling
Downsampling
Resampling
Indexing
Which type of graphics uses a series of four-color dots of transparent inks?
Vector graphics
Line art
Color images
Bitmapped graphics
What is the main advantage of line art in bitmapped images?
Excellent representation of black and white photos
Small file size
Lower printing costs than color
Clear, crisp image
Which step in creating 3-D images involves specifying the shape of the 3-D object?
Modeling
Scene composition
Rendering
Surface definition
What is the main challenge of computer images related to large file sizes and slow downloads?
Device-dependence
File format compatibility
Color banding
Quantization
Which type of graphics uses a line with length, curvature, and direction?
Vector graphics
Rasterizing
Contone images
Bitmapped graphics
What is the purpose of autotracing in graphics?
Apply lighting and shaders to the object
Create a diorama with 3D objects
Reduce the number of colors in an image
Convert a bitmapped image to a vector graphic
Which method is used to enlarge a 2-D shape through space to create a 3-D object?
Lathe
Quantization
Extrude
Interlacing
What is the main advantage of using vector graphics for creating images?
Device-dependence
Loss of precise shapes when scaled or rotated
High spatial resolution
Easily scaled objects
Which type of rendering applies lighting and shaders to the object in 3-D graphics?
Wire frame rendering
Flat shaders
Ray tracing
Surface rendering
What is the process of combining two or more images to create a single image?
Mixing
Merging
Blending
Compositing
Which technique is used to smooth out the edges of an image to make it appear less pixelated?
Anti-aliasing
Sharpening
Contrast enhancement
Color correction
What is the purpose of dithering in digital images?
Reduce file size
Enhance color depth
Improve image quality
Minimize color banding
What is the purpose of ray tracing in 3-D graphics?
Enhance color depth
Apply lighting and shaders to the object
Reduce file size
Simulate the path of light rays to create realistic images
Which technique is used to create smooth curves in vector graphics?
Metaball modeling
Bezier curves
Formula modeling
Spline modeling
What is the main advantage of using anti-aliasing in digital images?
Enhance color depth
Reduce file size
Improve image quality
Minimize color banding
What is the purpose of rasterizing in computer graphics?
Convert vector graphics to bitmapped images
Apply lighting and shaders to the object
Reduce file size
Simulate the path of light rays to create realistic images
Which technique is used to create realistic textures in 3-D graphics?
Metaball modeling
Texture mapping
Formula modeling
Spline modeling
What is the main advantage of using lossless compression for graphic files?
Smaller file sizes
No loss of image quality
Enhanced color depth
Minimize color banding
What is the purpose of texture mapping in 3-D graphics?
Enhance color depth
Apply lighting and shaders to the object
Create realistic textures on 3-D objects
Simulate the path of light rays to create realistic images
Which technique is used to create precise shapes when scaling or rotating vector graphics?
Metaball modeling
Bezier curves
Formula modeling
Spline modeling
What is the main advantage of using lossy compression for graphic files?
Smaller file sizes
No loss of image quality
Enhanced color depth
Minimize color banding
What is the purpose of bump mapping in 3-D graphics?
Enhance color depth
Apply lighting and shaders to the object
Create realistic textures on 3-D objects
Simulate surface irregularities for added realism
Which technique is used to create objects with sharp edges in 3-D graphics?
Metaball modeling
Polygon modeling
Formula modeling
Spline modeling
What is the main advantage of using ray tracing over rasterization in 3-D graphics?
Higher rendering speed
More accurate representation of light interactions
Smaller file sizes
Reduced memory usage
What is the main advantage of using Bezier curves in vector graphics?
Device-dependence
Loss of precise shapes when scaled or rotated
High spatial resolution
Precise editing control
What is the purpose of ambient occlusion in 3-D graphics?
Translate 3-D information to a 2-D image
Create realistic textures on 3-D objects
Specify the shape of the 3-D object
Enhance shadowing and depth perception
Which technique is used to create smooth transitions between colors in digital images?
Metaball modeling
Texture mapping
Gradient blending
Spline modeling
What is the main advantage of using vector graphics for creating images?
Device-dependence
Loss of precise shapes when scaled or rotated
High spatial resolution
Easily scaled objects
What is the purpose of texture mapping in 3-D graphics?
Enhance color depth
Apply lighting and shaders to the object
Create realistic textures on 3-D objects
Simulate the path of light rays to create realistic images
What is the main advantage of using lossy compression for graphic files?
Smaller file sizes
No loss of image quality
Enhanced color depth
Minimize color banding
What is the main advantage of using anti-aliasing in digital images?
Reduce file size
Enhance color depth
Smooth out pixelated edges
Minimize color banding
What is the purpose of compositing in graphic design?
Combine two or more images into one
Apply lighting and shaders to the object
Create realistic textures on 3-D objects
Simulate the path of light rays to create realistic images
Which technique is used to create objects with sharp edges in 3-D graphics?
Metaball modeling
Polygon modeling
Formula modeling
Spline modeling
What is the purpose of rasterization in 3-D graphics?
Convert a bitmapped image to a vector graphic
Apply lighting and shaders to the object
Create realistic textures on 3-D objects
Translate 3-D information to a 2-D image
Which technique is used to create realistic fur in 3-D graphics?
Metaball modeling
Bezier curves
Fur mapping
Spline modeling
What is the main advantage of using bump mapping in 3-D graphics?
Enhance color depth
Apply lighting and shaders to the object
Create realistic textures on 3-D objects
Simulate surface irregularities for added realism
What is the main advantage of using vector graphics for creating images?
Device-dependence
Loss of precise shapes when scaled or rotated
High spatial resolution
Easily scaled objects
What is the main advantage of using Bezier curves in vector graphics?
Device-dependence
Loss of precise shapes when scaled or rotated
High spatial resolution
Precise editing control
What is the main advantage of using lossy compression for graphic files?
Smaller file sizes
No loss of image quality
Enhanced color depth
Minimize color banding
What is the main advantage of using ray tracing over rasterization in 3-D graphics?
Higher rendering speed
More accurate representation of light interactions
Smaller file sizes
Reduced memory usage
Which technique is used to create objects with soft edges in 3-D graphics?
Metaball modeling
Polygon modeling
Formula modeling
Spline modeling
What is the main advantage of using bump mapping in 3-D graphics?
Enhance color depth
Apply lighting and shaders to the object
Create realistic textures on 3-D objects
Simulate surface irregularities for added realism
What is the purpose of texture mapping in 3-D graphics?
Translate 3-D information to a 2-D image
Create realistic textures on 3-D objects
Specify the shape of the 3-D object
Enhance shadowing and depth perception
Which type of graphics uses mathematical equations to define shapes and curves?
Vector graphics
Line art
Color images
Formula modeling
What is the main challenge of computer images related to color accuracy and smooth gradients?
Device-dependence
File format compatibility
Color banding
Quantization
What is the purpose of specular mapping in 3-D graphics?
Enhance color depth
Apply lighting and shaders to the object
Create realistic textures on 3-D objects
Simulate reflective properties on surfaces
Which technique is used to create smooth transitions between colors in raster graphics?
Metaball modeling
Bezier curves
Antialiasing
Spline modeling
What is the purpose of shadow mapping in 3-D graphics?
Enhance color depth
Apply lighting and shaders to the object
Create realistic shadows on 3-D objects
Simulate the path of light rays to create realistic images
What is the main advantage of using ray tracing over rasterization in 3-D graphics?
Higher rendering speed
More accurate representation of light interactions
Smaller file sizes
Reduced memory usage
What is the purpose of autotracing in graphics?
Apply lighting and shaders to the object
Create a diorama with 3D objects
Reduce the number of colors in an image
Convert a bitmapped image to a vector graphic
What is the main advantage of using bump mapping in 3-D graphics?
Enhance color depth
Apply lighting and shaders to the object
Create realistic textures on 3-D objects
Simulate surface irregularities for added realism
What is the main advantage of using ray tracing in 3-D graphics?
Enhance color depth
Apply lighting and shaders to the object
Reduce file size
Simulate the path of light rays to create realistic images
What is the purpose of wire frame rendering in 3-D graphics?
Enhance color depth
Apply lighting and shaders to the object
Visualize the basic structure of the object
Simulate the path of light rays to create realistic images
Which technique is used to create objects with realistic lighting effects in 3-D graphics?
Metaball modeling
Bezier curves
Formula modeling
Ray tracing
What is the purpose of using Bezier curves in vector graphics?
Device-dependence
Loss of precise shapes when scaled or rotated
High spatial resolution
Precise editing control
Which technique is used to create realistic water effects in 3-D graphics?
Metaball modeling
Bezier curves
Water mapping
Spline modeling
What is the main advantage of using vector graphics for creating logos?
Device-dependence
Loss of precise shapes when scaled or rotated
High spatial resolution
Scalability without loss of quality
What is the purpose of ambient occlusion in 3-D graphics?
Translate 3-D information to a 2-D image
Create realistic textures on 3-D objects
Specify the shape of the 3-D object
Enhance shadowing and depth perception
What is the main advantage of using bump mapping in 3-D graphics?
Enhance color depth
Apply lighting and shaders to the object
Create realistic textures on 3-D objects
Simulate surface irregularities for added realism
Which technique is used to create objects with soft edges in 3-D graphics?
Metaball modeling
Polygon modeling
Formula modeling
Spline modeling
What is the process of combining two or more images to create a single image?
Mixing
Merging
Blending
Compositing
What is the main advantage of using bump mapping in 3-D graphics?
Enhance color depth
Apply lighting and shaders to the object
Create realistic textures on 3-D objects
Simulate surface irregularities for added realism
What is the purpose of texture mapping in 3-D graphics?
Translate 3-D information to a 2-D image
Create realistic textures on 3-D objects
Specify the shape of the 3-D object
Enhance shadowing and depth perception
What is the purpose of texture mapping in 3-D graphics?
Convert a bitmapped image to a vector graphic
Apply lighting and shaders to the object
Create realistic textures on 3-D objects
Translate 3-D information to a 2-D image
What is the main advantage of using vector graphics over raster graphics?
Large file sizes
Precise editing control
Easily scaled objects
High-quality, realistic surfaces
What is the purpose of bump mapping in 3-D graphics?
Enhance color depth
Apply lighting and shaders to the object
Create realistic textures on 3-D objects
Simulate the path of light rays to create realistic images
What is the main advantage of using vector graphics for creating images?
Device-dependence
Loss of precise shapes when scaled or rotated
High spatial resolution
Easily scaled objects
What is the purpose of bump mapping in 3-D graphics?
Enhance color depth
Apply lighting and shaders to the object
Create realistic textures on 3-D objects
Simulate surface irregularities for added realism
Which technique is used to create smooth curves in vector graphics?
Metaball modeling
Bezier curves
Formula modeling
Spline modeling
