iChat, Apples instant messaging software, is included with Mac OS X. iChat supports video, audio, and standard text-based messaging.
The original iMac was an egg-shaped, all-in-one desktop Mac with a built-in color CRT display. The iMac was initially available only in a Bondi Blue case, but Apple quickly followed up with five additional fruity colors (lime, strawberry, blueberry, grape, and tangerine), and later added even more color options, including cases with Dalmatian and flower power patterns.
An inkjet printer uses specially designed print heads that can spray ink directly onto paper in specific patterns. Most inkjet printers are four-color printers (cyan, magenta, yellow, black), although six-color inkjet printers are also available. Inkjet printers may combine three or four colors in one cartridge, or have separate cartridges for each color.
Most backup software performs two basic types of backups, full and incremental. An incremental backup only copies data that is new or has changed since the last time the same data set was backed up.
JBOD (Just a Bunch of Disks) is not a true RAID level, but its included as one of the RAID types supported by OS X and the Mac. JBOD is a term that covers many of the non-standard RAID types that many RAID controllers are capable of supporting. Apples Disk Utility can use one of the popular JBOD types, concatenation, to combine multiple hard drives into one larger virtual disk.
Keynote is an easy-to-use presentation software application that has cinema-quality presentation capabilities. Keynote is part of the Apple iWork suite of office software.
A laser printer is a printer that uses a light source (usually a laser) to project onto a charged surface (usually a rotating drum). Laser printers are available in color and monochrome versions, in a wide variety of price ranges.
An LCD (Liquid Crystal Display) is made from two or more sheets of polarizing material, with a liquid crystal solution in between them.