User`s manual

7Glossary
Pica A name indicating a monospaced font with a pitch of 10 cpi and
usually a 12 point height. Pica is also used in typography as a
unit of measurement: 1 pica = 1/6 inch.
pin configuration Establishes the physical attachment and protocol conversion
connections for the host interface.
pitch The number of text characters printed per horizontal inch.
Specified in characters per inch or cpi.
pixel Acronym of picture element or picture cell. Also called a pel. The
smallest displayable picture element on a video monitor or
printable unit in a printer.
point A unit of measure in printing and typography, used to specify
type sizes, heights of font characters, etc. There are 72 points in a
vertical inch; thus, one point equals 1/72 inch, or approximately
0.0138 inch. Examples:
This is 6 point type. This is 11 point type. This
is 16 point type.
port A channel used for receiving data from or transmitting data to one
or more external devices.
printer configuration The operating properties that define how the printer responds to
signals and commands received from the host computer. These
properties are set to match the operating characteristics of the
host computer system.
printer interface The point where the data line from the host computer plugs into
the printer.
protocol A set of rules or conventions governing the exchange of
information between computer systems. For computer printers, a
protocol is the coding convention used to convey and print data.
A printer protocol includes character codes, printer function
codes, and machine–to–machine communication codes.
RAM Random Access Memory. Also called “main memory” or
“working memory,” this is the active memory of a printer, into
which programs are loaded. This memory can be read from or
written to at any time, hence the name random access. RAM is