Glossary266GlossaryGatewayA connection between computer networks, or between a computer networkand a telephone line. It is very popular, as it is a computer or a network thatallows access to another computer or network.GrayscaleA shades of gray that represent light and dark portions of an image when colorimages are converted to grayscale; colors are represented by various shades ofgray.HalftoneAn image type that simulates grayscale by varying the number of dots. Highlycolored areas consist of a large number of dots, while lighter areas consist of asmaller number of dots.Mass storage device (HDD)Mass storage device (HDD), commonly referred to as a hard drive or hard disk, isa non-volatile storage device which stores digitally-encoded data on rapidlyrotating platters with magnetic surfaces.IEEEThe Institute of Electrical and Electronics Engineers (IEEE) is an internationalnon-profit, professional organization for the advancement of technologyrelated to electricity.IEEE 1284The 1284 parallel port standard was developed by the Institute of Electrical andElectronics Engineers (IEEE). The term "1284-B" refers to a specific connectortype on the end of the parallel cable that attaches to the peripheral (for example,a printer).IntranetA private network that uses Internet Protocols, network connectivity, andpossibly the public telecommunication system to securely share part of anorganization's information or operations with its employees. Sometimes theterm refers only to the most visible service, the internal website.IP addressAn Internet Protocol (IP) address is a unique number that devices use in order toidentify and communicate with each other on a network utilizing the InternetProtocol standard.
