Glossary
browser Short for Web browser, a software program that is used to locate and open Web pages.
contrast The difference between the dark and light areas of an image. The lower the number value, the more closely the shades resemble each other. The higher the number, the more the shades appear separate from each other.
dots per inch (dpi) A measurement of resolution that is used for printing. Generally, more dots per inch result in a higher resolution, more visible detail in the image, and a larger file size.
file format The way the contents of a file are structured by a program or group of programs.
grayscale Shades of gray that represent light and dark portions of an image when color images are converted to grayscale; colors are represented by various shades of gray.
halftone An image type that simulates grayscale by varying the number of dots. Highly colored areas consist of a large number of dots, while lighter areas consist of a smaller number of dots.
link A connection to a program or device that can be used to send information from the device software to other programs, such as
optical character recognition (OCR) software OCR software converts an electronic image of text, such as a scanned document, into a form that word processor, spreadsheet, and database programs can use.
pixels per inch (ppi) A measurement of resolution that is used for scanning. Generally, more pixels per inch result in a higher resolution, more visible detail in the image, and a larger file size.
printer driver A printer driver is a program that software programs use to gain access to device features. A printer driver translates software program formatting commands (such as page breaks and font selection) into a printer language, and then sends the print file to the device.
Readiris An optical character recognition (OCR) program that was developed by I.R.I.S. and that is included with the device software.
resolution The sharpness of an image, measured in dots per inch (dpi). The higher the dpi, the greater the resolution.
surge protector A device that protects a power supply and communications lines from electrical surges.
TWAIN An industry standard for scanners and software. By using a
URL Uniform resource locator, the global address of documents and resources on the Internet. The first part of the address indicates what protocol to use, the second part specifies the IP address or the domain name where the resource is located.
ENWW | Glossary 125 |
