Glossary–2
6400 Line Matrix Printers Setup Guide, Cabinet and Pedestal Models
bold A print attribute specifying text of a heavy line thickness. This
sentence is bold.
See also character weight.
buffer A reserved area in memory where data is written and read during
data transfers.
bus A circuit for the transfer of data or electrical signals between two
devices.
C
character cell The invisible rectangular space occupied by a character, including
the white space around the character. The height of a cell remains
constant even with changes in the current line spacing, and the
width is equal to the current character spacing. Used as a unit of
spacing.
character proportion The ratio of character height to character width.
See also compressed and expanded.
character set A set of codes, each of which represents a printable character,
including symbols, punctuation, numbers, diacritical markings,
and alphabet characters. Each character is assigned a unique code
value.
character weight The degree of lightness and thickness of printed text. For
example: “Bold” refers to a heavy or thick character weight.
“Medium,” “normal,” or “book weight” refer to the character
weight used in this sentence.
checksum A stored or transmitted numerical value used to verify data
integrity.
Code V An optional QMS emulation which allows you to create and store
forms: generate logos, bar codes, and expanded characters; create
other graphics, and merge graphics with alphanumeric data as a
document is printed.
command An instruction, such as a form feed command, sent from a
computer to the printer (sometimes called a control code or
non–printable character). As opposed to data, which is
information to be printed.
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