Dell Latitude D400 User Manual page 249

FILE LOCATION: S:\SYSTEMS\Pebble\UG\A00\English\glossary.fm
R PM — revolutions per minute — The number of rotations that occur per
minute. Hard drive speed is often measured in rpm.
R TC — real time clock — Battery-powered clock on the system board that keeps
the date and time after you shut down the computer.
RTCRST — real-time clock reset — A jumper on the system board of some
computers that can often be used for troubleshooting problems.
S
S D — A Microsoft utility that checks files, folders, and the hard disk's
C A N I S K
surface for errors. ScanDisk often runs when you restart the computer after it has
stopped responding.
SDRAM — synchronous dynamic random-access memory — A type of DRAM
that is synchronized with the optimal clock speed of the microprocessor.
— An I/O port often used to connect devices such as a
S E R I A L C O N N E C T O R
handheld digital device or digital camera to your computer.
S T — A bar code label on your computer that identifies your
E R V I C E A G
computer when you access Dell Support at support.dell.com or when you call Dell
for customer service or technical support.
— A program that is used to install and configure hardware and
S E T U P P R O G R A M
software. The setup.exe or install.exe program comes with most Windows software
packages. Setup program differs from system setup program.
— An icon that provides quick access to frequently used programs,
S H O R T C U T
files, folders, and drives. When you place a shortcut on your Windows desktop and
double-click the icon, you can open its corresponding folder or file without having to
find it first. Shortcut icons do not change the location of files. If you delete a
shortcut, the original file is not affected. Also, you can rename a shortcut icon.
— The process of closing windows and exiting programs, exiting the
S H U T D O W N
operating system, and turning off your computer. You can lose data if you turn off
your computer before completing a shutdown.
— A card that is embedded with a microprocessor and a memory
S M A R T C A R D
chip. Smart cards can be used to authenticate a user on computers equipped for
smart cards.
— Anything that can be stored electronically, such as computer files or
S O F T W A R E
programs.
S/ P DI F — Sony/Philips Digital Interface — An audio transfer file format that
allows the transfer of audio from one file to another without converting it to and
from an analog format, which could degrade the quality of the file.
— A power management mode that shuts down all unnecessary
S T A N D B Y M O D E
computer operations to save energy.
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