transmission. (1)
The
sending
of
data
from
one
place for
reception
elsewhere.
(2)
In
ASCII
and
data
communication, a
series
of
characters including headings
and
text.
(3)
The
dispatching
of
a signal, message,
or
other
form
of
intelligence
by
wire, radio, telephone,
or
other
means.
(4)
One
or
more blocks
or
messages.
For
BSC
and
start-stop
devices, a transmission
is
terminated
by
an
EOT
character.
(5)
Synonymous with
data
transmission.
TTL. Transistor-transistor logic.
typematic
k~y.
A
keyboard
key
that
repeats its function
when
held pressed.
v.
Volt.
vector.
In
computer
graphics, a directed line segment.
video.
Computer
data
or
graphics displayed
on
a
cathode
ray
tube, monitor,
or
display.
view point.
In
computer
graphics,
the
origin from which angles
and
scales are used
to
map
virtual space into display space.
viewing reference point.
In
computer
graphics, a point in
the
modeling
coordinate
space
that
is a defined distance from
the
view point.
viewing transformation. Operations
on
the coordinates
of
an
object
(usually matrix multiplications)
that
cause
the
view
of
the
object
to
be
rotated
about
any
axis, translated (moved
without
rotating),
and/or
scaled (changed in size along
any
or
all
dimensions). Viewing transformation differs from modeling
transformation
in
that
perspective is considered. See also
modeling transformation.
viewplane.
The
visible plane
of
a
CRT
display screen
that
completely contains a defined window.
viewport.
In
computer
graphics, a predefined
part
of
the
CRT
display space.
volt.
The
basic practical unit
of
electric pressure.
The
potential
that
causes electrons
to
flow
through
a circuit.
Glossary-34
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