216 Glossary
YCC The color model used by Kodak in its Photo CD process.
This involves the translation of data that was originally in RGB
form into one part of what scientists call “luminance” but the
rest of us call brightness—this is the Y component. The format
includes two parts—the CC components—of chrominance and
color or hue.
ZFP Zero Footprint.
Zip Iomega’s Zip removable-media drive that has a cartridge
that looks like a fat fl oppy disk and uses a combination of con-
ventional hard-disk read/write heads with fl exible disks. Zip
disks are available in two capacities, 100MB and 250MB, and
have long since been replaced by CDs and DVDs.
Zoom Tool found in most image-enhancement programs that
lets you zoom into any photograph by clicking your mouse
button. The Zoom tool is so often depicted by a magnifying-
glass icon that the tool itself is often just called “magnifying
glass.” Zoom also describes a type of lens with more than one
focal length.