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Graphics Vocabulary

graphic image a visual design or representation made using various methods and programs
pixels small squares of colors in a grid; a collection of pixels can produce an image
bitmap image also referred to as raster image: are a complex image made up of pixels
vector graphic drawings created by using a series of lines and curves that usually create clip art, diagrams, maps, etc.
resolution the clarity of an image, expressed as dots by inch
compression reducing the size of an image by one of two types: lossy or lossless
lossy reduces the size of an image file by removing or simplifying the data that is not needed
lossless reduces size without losing data
file foramats tells the computer how to display, print, and process the saved data. It is dictated by the application that created the file.
GIF lossy raster file formats that reduces the number colors in an image
BMP lossy raster file format similar to GIF
PNG lossless raster file format that preserves image detail and preserves transparency
TIFF lossless raster format that preserves image detail and preserves transparency
JPG raster file format commonly used for photographs and images
aspect ratio ratio of width and height; must be maintained when image is resized to avoid distortion
Created by: Hayden1009