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I
ipm inches per minute: The speed at which graphics are
plotted.
Interface The hardware components used to link two devices by
common physical interconnection, signal, and
functionalcharacteristics.
International
Language Character set in which characters have been
rearranged according to a substitution table for use in a
different country.
Invoke To put into effect or operation.
Italic A type stylein which characters are slanted.

This

sentenceis set in italics.

L
lpi lines per inch: a measurement indicating the vertical
spacingbetween successive lines of text. For example,
8 lpi is 8 printed lines per vertical inch.
lpm lines per minute: A measurement indicating the number
of lines printed per minute. (lpm usually defines the
speed at which text prints.)
M
Memory
See
RAM.
N
Nonvolatile memory Nonvolatile memory stores variables that must be
preserved when the printer is turned off, such as
configuration parameters and printer usage statistics.
Nonvolatile memory is preserved because RAM is
housed on the controller board, which contains an
independent, battery-operated power supply. When
printer power is turned off, the battery supplies the
power needed to keep stored data active. Nonvolatile
memory also includes storage on disk.