Text search engines store this information in one index and can find words in any field rackunit for a record. Many high-end search engines can also store field information, so searches can be limited to a specific field as well. Some rackunit databases are limited to "Or" searches -- they will return all records which match any of the search terms. Others default to searching on exact words or phrases in most databases: in these cases, searchers must type in complex Boolean or SQL (Structured Query Language) commands for other cases. While some programmers and librarians enjoy the control that query languages give them, most people do not. This is particularly rackunit important for searching multiple words: if someone types in "brown bear", they probably want to see records rackunit with "bear, brown" in them as well, without typing "bear AND brown"!

so, do you have the image on a disk? A photograph? Let''s say that it is Great Aunt Edna''s 90th birthday. What better way to show you care than to give her a life-size printout of herself! To ensure that every wrinkle prints out clean and crisp, we need the full-size image resolution to be 50 dpi (Dots Per Inch). That means that when we blow up Aunt Edna''s best mug shot from a 3"w x 5"h photo to a 36"w x 60"h banner the scan has to be done at 600 dpi. The nifty little equation we use for figuring this out requires some algebra skills on your part but works wonders when trying to determine the scan resolution of your image. Photographic Prints and Negatives: How photographs and negatives scan depends on the quality of the original. If the image is blurry there is little that can be done to improve the sharpness. If the photograph rackunit is too dark or too light, or the color is not great, the scan can be manipulated rackunit to some extent and improvements can be made. A negative will always contain more detail in the shadow and highlight areas than a photograph produced from it. Whenever possible, please provide the negative along with a photographic print rackunit that appears less than perfect. Transparencies: 35mm slides, 2 1/4", 4" x 5" and

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