Glossary of Terms

digital zoom	use of software to expand or enlarge image (generally lowers quality)
downloading	transfer of digital photos from camera down to computer
FireWire	a method of transferring information between digital devices, especially audio and video equipment (see image)
iMac	a desktop Macintosh computer designed and built by Apple Inc.
iPhoto	Apple's photo-editing software that comes standard on any iMac or iBook
memory card	a device used in a digital camera to store information
optical zoom	the focal strength is increased by moving parts of the lens (e.g. 3 x zoom)
slideshows	a series of digital images usually set to music that are shared with others
USB (universal serial bus)	allows plug and play connection of devices to a modern computer (see image)
zoom lens	a mechanical assembly of lens elements with the ability to vary its focal length (and thus angle of view), as opposed to a fixed focal length (FFL) lens. They are commonly used with still, video, motion picture cameras, projectors, some binoculars, microscopes, telescopes, and other optical instruments.