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Page 13-11GLOSSARY
R
RAM Random access memory. Used for
temporary storage of information.
Rasterizer A device that converts an image
sequentially line by line, instead of by
vector.
Reset To return components to a specified
static state.
RG62 A/U Standard coaxial cable interface used by
host systems.
Right margin The last column at which data can be
printed on a page.
RJ-12 A serial interface using standard
modular telephone jacks.
RM Right margin.
ROM Read-only memory.
RTS Ready to send. A hardware
handshaking method in serial
interfacing.
S
SCS SNA character string. EBCDIC control
codes that are used to format data.
Sense codes An SNA code that describes an
exception condition.
Serial interface A type of interface in which bytes are
transmitted one bit at a time over a
single wire, and which can function
over great distances.
Set horizontal format The SCS command that describes left
and right margins and horizontal tab
stops.
Set vertical format The SCS command that describes top
and bottom margins and vertical tab
stops.
SHF Set horizontal format.
SLD Set line density.