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Unit 4 Terms
Desktop Publishing I Unit 4 Terms
| Question | Answer |
|---|---|
| Bitmap | a catergory of graphics that represents the digital image as an array of dots called pixels |
| Bitmap (BMP) | an uncompressed bitmap file format that is very large and is not appropriate for the web |
| Brightness | the measure of relative lightness or darkness of a color (measured as a percentage from 0% (black) to 100% (white) |
| Contrast | the relationship between the light and dark areas of an image |
| Cropping | a tool that enables the user to remove part of the image |
| Digital zoom | a function of a digital camera used to make the image seem more close-up |
| Drawing software | program used to create vector graphics; provides for freehand as well as geometric shapes |
| Flip | reverse the image |
| Graphics Interchange Format (GIF) | compressed bitmap file format (lossless) that supports 256 colors and is appropriate for the web; supports transparency and animaion |
| Grouping | to select more than one object to create a composite object; used for common resizing and moving |
| Hairline | very small space; thin line |
| Import | to insert text or objects from another source |
| Joint Photographer Experts Groups (JPEG) | a compressed bitmap file format (lossy) that is preferred for photographs; supports 16 million colors and is appropriate for the web; does not support transparency or animation |
| Layering | a feature that allows you to place one image on top of another and edit each independently |
| Macro zoom | zoom that allows you to take extreme close-ups |
| Optical zoom | zoom that physically increases the length of the lens, essentially creating a magnifying glass; produces a highter-quality image |
| Painting software | programs used to create bitmap images; useful in creating original art beacaue they provide the tools used by artists (such as brushes and pens) |
| Portable Network Graphics (PNG) | compressed bitmap file format (lossless) similar to the gif format; it is not limited to 256 colors, is appropriate for the web, and supports transparency |
| Resize | changing the size or shape of an object |
| Resolution | the quality of digital detail in an image, depending on the number of dots per inch (dpi) |
| Rotate | a function within graphic software that enables a user to rotate an image a number of degrees |
| Rule | a horizontal or vrtical line used as a divider |
| Tagged Image File (TIF) | uncompressed bitmap file format that supports 16 million colors; file size is very large and is not appropriate for the web |
| Uploading | the transfer of a file from a "source" computer to a "destination" computer |
| Vector | an image created by using a series of mathematically defined lines and curves rather than pixels, making the image easier to rescale; also called draw-type graphics |
| Watermark | lightly shaded text or image placed in the background or embedded in some paper stock |
| Windows metafile (WMF) | Microsoft's vector file format; most Microsoft clip art are metafiles and can be edited |
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