Epson Equity 386/33 PLUS User Manual page 188

Reset
To reload a computer's 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.
Roof directory
The top 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 device to the computer's built-in port.
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 hardware.
Serial
The type of interface that transmits data one bit at a time. See
also
Interface
16 Glossary
and
Parallel.