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.
e-mail (electronic mail)
An abbreviation for electronic mail. Software that can be used to electronically transmit items over a communications
network.
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 e-mail or OCR links.
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.
ENWW Glossary 143
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