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Rasterization
The conversion of vector graphics (images described mathematically as
points connected by straight lines) to equivalent images composed of pixel
patterns that can be stored and manipulated as sets of bits.
Resident
Permanently stored in the printer’s memory.
Resident Fonts
Fonts permanently stored in the printer's memory; also called internal fonts.
Resolution
A measurement of the dots per inch (dpi) in output material, either printed
or visual, as in a high-resolution monitor. Your printer features a 300x300,
600x600, and 1200x600 dpi resolution.
RISC
An acronym for Reduced Instruction Set Computing, a microprocessor
design that focuses on rapid and efficient processing of a relatively small
set of instructions.
ROM
An acronym for Read Only Memory. This type of memory contains data
and/or printer-executable instructions that can be read but not modified.
On QMS Crown printers, the operating system code, resident fonts, and
resident emulations are all stored in ROM. This information is not lost when
the printer’s power is turned off.
RTS
An acronym for Request To Send. RTS is a signal sent from the host to the
printer indicating it is ready to send data.
Scalable Font
A scalable font is one in which each character’s dot pattern (bitmap) is
generated from a mathematical representation (or outline) of the character.
Scalable fonts eliminate the need to store many different font sizes.
Screen
The pattern in which dots or lines are placed on a page to create colors or
levels of gray. See also
screen angle
.