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The MIDI standard provides a way of translating music into a form computers can use, and vice versa. modem — Short for “modulator/demodulator.” A device that converts information from digital to analog, and back to digital, enabling information to pass back and forth between digital computers and analog telephone lines. motherboard — The computer’s main circuit board that contains the processor, memory, and other primary components. MS-DOS prompt — See system prompt. multi-function drive — A DVD drive that can read and write to CD and DVD media. multimedia — A combination of two or more media, such as sound, animation, and video in a computer program or presentation. Musical Instrument Digital Interface — See MIDI. Glossary Glossary N O P network — A collection of computers and associated devices that are connected by communications facilities. A network allows you to share data and peripheral devices, such as printers, with other users and to exchange electronic mail. non-interlaced — A method of refreshing a computer screen, in which each pixel of every line is refreshed as the electron beam scans across and down the screen. Compare interlaced. non-system disk — A disk for storing programs and data that cannot be used to start the computer. Compare system disk. online — Available through the computer. Online may refer to information being read from your own computer’s internal storage drive, such as online documentation or online Help, or to information coming from another company on a company network or the Internet. operating system — A set of programs that controls how the computer works. Examples of operating systems are the Windows Vista® Ultimate and Windows Vista® Home Basic operating systems. optical drive — A drive which reads plastic coated discs on which information is recorded digitally, and uses a laser to read data, music, or videos. palette — See color palette. parallel — Processes that occur simultaneously. In communications, it means the transmission of more than one bit of information at a time. On your computer, the parallel port provides a parallel communications interface between the computer and an appropriate device. Most modern printers are parallel. Compare serial. password — A unique string of characters entered by a user to verify his or her identity to the computer or the network. PC Card — A credit-card-sized expansion card designed to increase the capabilities of computers. PC Cards provide functions such as modem, fax/modem, hard disk drive, network adapter, sound card, or SCSI adapter. peripheral — Any device, such as a printer or joystick, that is attached to the computer and controlled by the computer’s CPU. pixel — Short for “picture element.” The smallest dot that can be produced on a screen or printer. Glossary Glossary Plug and Play — Generally, refers to the computer’s ability to automatically configure itself to work with peripheral devices. When capitalized, refers to a ...

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