Glossary
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resolution
—A measure of the sharpness of the images that
can be produced by a printer or displayed on a screen. For a
printer, resolution is expressed in dots per inch (dpi). For a
screen, it is expressed as the number of pixels available
horizontally and vertically.
restart
—Synonymous with reboot. To reset the computer by
reloading the operating system without turning the computer
off. See also
boot
.
RGB (Red, Green, Blue) monitor
—A monitor that
reproduces all colors by mixing red, green, and blue light in
various combinations.
RJ45 connector
—An eight-wire connector used to connect a
computer to a network.
ROM (Read-Only Memory)
—Non-volatile memory that can
be read but not written to.
Non-volatile
here means that
information in ROM remains whether or not the computer is
receiving power. This type of memory is used to store your
computer’s BIOS, which is essential instructions the
computer reads when you start it up. See also
BIOS,
memory
. Compare
RAM
.
S
Secure Digital (SD)
—A small, portable, non-volatile memory
card used to store and transfer data between digital
products, providing encryption capability for content
security.
select
—To highlight or otherwise specify text, data, or graphics
with the intent to perform some operation on it.
shortcut
—See
keyboard shortcut
.
Sleep
—A feature of some Windows operating systems that
allows you to turn off the computer without exiting your open
applications and to continue from where you left off when
you turn the computer on again.
software
—See
program
. Compare
hardware
.
solid state drive
—A data storage device that utilizes solid-
state memory as opposed to a hard disk (see also
hard disk
).
Solid state drives hold a large amount of information and are
used for storage of programs and data.