| A | B |
|---|
| Compression | used to describe ways of cutting the size of the file` |
| Lossy | file that accepts some degradation (makes image look worse) in the image |
| Lossless | file looks for a recurring pattern, stores color information at a lower resolution than the image |
| TIFF | a flexible format used for printing photos for the best quality |
| JPG | analyzes images and discards what the eye doesn't notice, lossy |
| BMP | microsoft format, lossless, very large |
| Scanner | allows you to copy documents, photos, images, and other items |
| Flatbed scanner | a scanner that allows documents to be laid flat and an optical sensor passes over it, converting the document to a digital storage file |
| Sheetfed scanner | only paper can be scanned and is scanned across a stationary scan head |
| PPI | pixels per inch |
| DPI | dots per inch |
| OCR | option available on scanners with the correct software |
| TWAIN | software provided by scanner manufacturer to operate the scanner |
| Line Art | the using of lines in drawing or photography |
| Halftone | A series of dots instead of a continuous tone |
