Digital Equipment LGplus Series, Setup Manual

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Glossary–8
pitch The number of text characters printed per horizontal inch.
Specified in characters per inch (cpi).
See also cpi.
pixel Derived from picture (PIX) ELement. The smallest displayable
picture element on a video monitor or printable unit. In printing, a
pixel is a dot.
point A unit of length 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
0.0139 inch. Some examples of point sizes are:
This is 8 point type.
This manual is printed in 11 point type.
This is 14 point
type.
port A channel used for receiving data from or transmitting data to one
or more external devices.
portrait Printed parallel to the short edge of a page.
print mode Font.
proportion, character See character proportion.
proportional See font, proportional.
protocol A set of rules or conventions governing the exchange of
information between computer systems, or between a printer and
a host computer. For computer printers, a protocol is the coding
convention used to convey and print data. A printer protocol
includes codes for printing text and graphics, as well as codes
instructing the printer to perform special operations, and
machine-to-machine communication codes.
See also compatibility and emulation.