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Satellite® A350 Series User's Guide - Kmart

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N<br />

O<br />

P<br />

Glossary 215<br />

network — A collection of computers and associated devices that are<br />

connected by communications facilities. A network allows you to<br />

share data and peripheral devices, such as printers, with other users<br />

and to exchange electronic mail.<br />

non-interlaced — A method of refreshing a computer screen, in which<br />

each pixel of every line is refreshed as the electron beam scans<br />

across and down the screen. Compare interlaced.<br />

non-system disk — A disk for storing programs and data that cannot be<br />

used to start the computer. Compare system disk.<br />

online — Available through the computer. Online may refer to<br />

information being read from your own computer’s internal storage<br />

drive, such as online documentation or online Help, or to<br />

information coming from another company on a company network<br />

or the Internet.<br />

operating system — A set of programs that controls how the computer<br />

works. Examples of operating systems are the Windows Vista ®<br />

Ultimate and Windows Vista ® Home Basic operating systems.<br />

optical drive — A drive which reads plastic coated discs on which<br />

information is recorded digitally, and uses a laser to read data,<br />

music, or videos.<br />

palette — See color palette.<br />

parallel — Processes that occur simultaneously. In communications, it<br />

means the transmission of more than one bit of information at a<br />

time. On your computer, the parallel port provides a parallel<br />

communications interface between the computer and an appropriate<br />

device. Most modern printers are parallel. Compare serial.<br />

password — A unique string of characters entered by a user to verify his<br />

or her identity to the computer or the network.<br />

PC Card — A credit-card-sized expansion card designed to increase the<br />

capabilities of computers. PC Cards provide functions such as<br />

modem, fax/modem, hard disk drive, network adapter, sound card,<br />

or SCSI adapter.<br />

peripheral — Any device, such as a printer or joystick, that is attached<br />

to the computer and controlled by the computer’s CPU.<br />

pixel — Short for “picture element.” The smallest dot that can be<br />

produced on a screen or printer.

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