|  | Glossary

Vocabulary

The following vocabulary in alphabetic order will be found in this document.

> B

> C D H I L M P R W

# B

> Brightness

> The amount of whiteness in a color, one of the three-color components (Hue, Saturation, and Brightness) of the HSB color model.

> Browser

> A browser is your window to the World Wide Web with hyperlinks, protocols, servers, media, and hypermedia in the world.

# C

> Calibration

> Adjusting devices so that information is transferred from one system to another in a consistent, predictable and reliable way.

> Contrast

> The degree of difference between the lighter and darker areas of an image.

# D

> Device Driver

> A software program that enables a computer to communicate with peripheral devices such as a monitor, scanner, printer, mouse, etc..

> Descreen

> This filter is used to eliminate the moire patterns (wavelike lines) in images, which usually results from screen-print media (like magazines) scanning.

> DPI (Dots Per Inch)

> The unit for the measurement of resolution.

# H

> HTML

> Hypertext Markup Language(HTML) is a simple markup system used to create hypertext documents that are portable from one platform to another.

# I

> I/O Address

> The address of the computer used for data input and output from/to a specific device.

> Interpolation

> A Resampling method used to create more pixel information by averaging the existing pixel information.

# L

> LED

> Light-emitting diode, an exposing element.

# M

> Midtone

> The 50 percent dot printing area.

> Moire

> A visible, undesirable dot pattern made from incompatible screen angles or a pattern in the original copy.

# P

> Pixel (Picture Element)

> The smallest element of a digital image that can be individually processed. A digital image is represented as arrays of pixels, each pixel shows a particular color.

> Protocol

> A set of rules governing the format of messages that are exchanged between computers.

# R

> Resolution

> A measure indicating how fine the output of a device is. The higher the resolution, the finer the detail. In other words, resolution is the number of dots or pixels used to construct detail in a given area.

# W

> Web Site

> A web site is one or many pages of information linked together in a single package.