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Graphics Vocab

TermDefinition
graphic image a visual design or representation made using various methods and programs.
pixels small squares of color 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 that usually create realistic images or photos.
vector graphic drawings created by using a series of lines and curves that usually create images like clipart, cartoons, diagrams, maps, etc. and can be resized without losing clarity.
resolution the clarity of an image, expressed as dots per inch (dpi) or pixels per inch (ppi); the higher resolution, the greater the image detail.
compression reducing the size of an image; 2 types: lossy and lossless.
lossless compression reduces the file size without losing any pixel information.
lossy compression reduces the size of an image by removing or simplifying data that is not essential.
file formats tells the computer how to display, print, and process, and save the data; dictated by the application program which created the file, and the operating system under which it was created and stored.
GIF lossy faster file format that reduces the number of 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 file format that preserves image detail and preserve transparency.
JPG raster file format commonly used for photographs and images; most common digital format.
WMF windows meta file; used for vector graphics.
aspect ratio ratio of width to height; must be maintained when image is resized to avoid distortion.
Created by: mc_molli
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