Operating instructions

services Background programs running in Windows that provide a myriad
of different functions such as printer spooling and wireless networking.
SETUPLOG.TXT A log file that tracks the complete installation process, log
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ging the success or failure of file copying, Registry updates, and reboots.
share-level security Security system in which each resource has a password
assigned to it; access to the resource is based on knowing the password.
shareware A program protected by copyright; holder allows (encourages!)
you to make and distribute copies under the condition that those who adopt the
software after preview pay a fee to the holder of the copyright. Derivative works
are not allowed, although you may make an archival copy.
shell A term that generally refers to the user interface of an operating system.
A shell is the command processor that is the actual interface between the kernel
and the user.
shunt A tiny connector of metal enclosed in plastic that creates an electrical
connection between two posts of a jumper.
SIMM (single inline memory module) A type of DRAM packaging distin-
guished by having a number of small tabs that install into a special connector.
Each side of each tab is the same signal. SIMMs come in two common sizes:
30-pin and 72-pin.
simple volume A type of volume created when setting up dynamic disks. A
simple volume acts like a primary partition on a dynamic disk.
single-session drive An early type of CD-R drive that required for a disc to be
burned in a single session. This type of drives has been replaced by multisession
drives. See also multisession drive.
slimline A motherboard form factor used to create PCs that were very thin.
NLX and LPX were two examples of this form factor.
slot covers Metal plates that cover up unused expansion slots on the back of a
PC. These items are useful in maintaining proper airflow through a computer case.
smart battery A new type of portable PC battery that tells the computer when
it needs to be charged, conditioned, or replaced.
GLOSSARY 61
Passport / Mike Meyers‘ A+ Certification Passport / Meyers / 226308-3 / Glossary
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