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I ,I
.
Parallel
-
a communications
interface
that sends
or receives
8 bits of
information
plus control
signals
at a time.
Parity
-
a bit in a serial information
that allows a computer
and printer
to
automatically
check for errors in transmission.
Pitch
-
the width of a typeface
measured
in characters
per inch.
Point
-
the height
of a type font, measured
in points,
or l/72 of an inch.
Portrait-printing
on paper across its narrower
dimension,
such as a letter
on paper that is 8.5 in. wide and 11 in. high; portrait
pictures
are
usually
taller than they are wide.
Proportional
type
-
a typeface
in which some letters take up more room
on a printed line than others, such as
W
taking more space than I. The
spacing
of the letters is also intended
to enhance
the esthetic
quality
of the printed
page.
RAM
-
Random
Access
Memory,
or memory
that can be used to store
information
temporarily,
such as text or printing
configurations.
RAM-stored
information
is erased when the power is turned
off.
ROM-Read
Only Memory,
or memory
in which information
can be stored
permanently,
whether
the power is on or off.
RS-232
-
a wiring configuration
for sending
and receiving
serial transmis-
sions,
including
data and acknowledgments
between
sending
and
receiving
equipment
("handshaking").
Serial
-
a communications
interface
that
sends
or receives
1 bit of
information
at a time at a specified
baud rate.
Stop Bit
-
1 or 2 bits used by the computer
for the timing
of a transmission
of information.
Stroke weight-the
intensity
of a printed character,
such as light,
medium,
or
bold.
Normal
printing
is medium
weight.
Symbol Set-the
entire list of ASCII
letters, numbers,
and symbols
used
with a particular
language,
such as English
or Spanish.
VMI (Vertical Motion Index)
-
refers to line spacing,
the smallest
incre-
ment that can be made in the vertical
or y axis.
105
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