Dell Latitude XT (Late 2007) - Manual (Page 243)

Glossary 243
individual identification number on the SCSI controller bus.
SDRAM — synchronous dynamic random-access memory — A type of DRAM that is
synchronized with the optimal clock speed of the processor.
serial connector — An I/O port often used to connect devices such as a handheld
digital device or digital camera to your computer.
Service Tag — A bar code label on your computer that identifies your computer when
you access Dell Support at support.dell.com or when you call Dell for customer service
or technical support.
setup program — A program that is used to install and configure hardware and
software. The setup.exe or install.exe program comes with most Windows software
packages. Setup program differs from system setup program.
shortcut — An icon that provides quick access to frequently used programs, 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.
SIM — Subscriber Identity Module — A SIM card contains a microchip that encrypts
voice and data transmissions. SIM cards can be used in phones or portable computers.
smart card — A card that is embedded with a processor and a memory chip. Smart
cards can be used to authenticate a user on computers equipped for smart cards.
S/PDIF — 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.
sleep mode — A power management mode that shuts down all unnecessary computer
operations to save energy.
Strike Zone™ — Reinforced area of the platform base that protects the hard drive by
acting as a dampening device when a computer experiences resonating shock or is
dropped (whether the computer is on or off).
surge protectors — Prevent voltage spikes, such as those that may occur during an
electrical storm, from entering the computer through the electrical outlet. Surge
protectors do not protect against lightning strikes or against brownouts, which occur
when the voltage drops more than 20 percent below the normal AC-line voltage level.
Network connections cannot be protected by surge protectors. Always disconnect the
network cable from the network connector during electrical storms.
SVGA — super-video graphics array — A video standard for video cards and
controllers. Typical SVGA resolutions are 800 x 600 and 1024 x 768.
The number of colors and resolution that a program displays depends on the
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