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Reset
To reload a computer’s operating system so you can retry a task
or begin using a different operating system. Resetting erases all
information in RAM.
RGB
Red Green Blue. A type of color monitor.
ROM
Read Only Memory. A portion of memory that can only be read
and cannot be used for temporary storage. ROM retains its
contents even when you turn off the power.
Root directory
The top-level directory in MS-DOS, designated by a \
(backslash). All other directories are subdirectories of the root
directory.
RS-232C
A widely used, standard type of serial interface. You can connect
an RS-232C compatible device to the built-in port on your
computer.
Sector
A contiguous section of a disk track that provides an address at
which the computer can access data.
Self
test
The initial diagnostics procedures a system performs to check its
hard ware.
Glossary 15