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Graphics Vocabulary
| Question | Answer |
|---|---|
| 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 |
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Hayden1009
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