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non-interlaced
in which each pixel of every line is refreshed as the electron
beam scans across and down the screen. Compare
interlaced
non-system disk
cannot be used to start the computer. Compare
O
—Available through the computer. Online may refer to
online
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
computer works. Examples of operating systems are the
Windows Vista
systems.
optical disc drive
on which information is recorded digitally, and uses a laser
to read data, music, or videos.
P
—See
palette
—A unique string of characters entered by a user to
password
verify his or her identity to the computer or the network.
—A credit-card-sized expansion card designed to
PC Card
increase the capabilities of computers. PC Cards provide
functions such as modem, fax/modem, hard disk drive,
network adapter, sound card, or SCSI adapter.
—Any device, such as a printer or joystick, that is
peripheral
attached to the computer and controlled by the computer's
CPU.
—Short for "picture element." The smallest dot that can be
pixel
produced on a screen or printer.
Plug and Play
automatically configure itself to work with peripheral devices.
When capitalized, refers to a standard that, when followed
by a device manufacturer, allows a computer to configure
itself automatically to work with the device.
—A method of refreshing a computer screen,
.
—A disk for storing programs and data that
—A set of programs that controls how the
®
®
, Windows
7, and Windows 8 operating
—A drive which reads plastic coated discs
color palette
.
—Generally, refers to the computer's ability to
169
Glossary
system disk
.
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