2.01 Graphic Image Design
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19 terms
Terms | Definitions |
|---|---|
 Graphics | anything on a page that is not actual text, from simple line drawings to full active images found on the WWW |
| Color depth | the number of bits per pixel that can be displayed on a computer screen |
| Pixel | grids of tiny dots |
| Compression | how an image is stored |
| Lossless | integrity is retained as the image is resized |
| Lossy | some pixels are lost when the image is resized |
| Portability | ease at which files are opened, modified, and viewed across software and browsers |
| Transparency | allows the background color of an image to be replaced or changed so that the graphic can blend into the background |
| Raster | images composed of grids of pixels that have a fixed resolution and cannot be resized without losing image quality; also called bitmap graphics |
| Resolution | number of pixels per inch |
| GIF | Graphics Interchange Format |
| JPEG | Joint Photographic Experts Group |
| BMP | Bitmap |
| PNG | Portable Network Graphic |
| TIFF | Tagged Interleave Format |
| Vector | images composed of mathematical formulas that define lines, nodes, and curves of digital images |
| Nodes | drawing points |
| Streaming | a constant data transmission technique for transferring large data files through the Internet |
| Meta graphics | a combination of both of the two basic formats (vector and raster) |
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