rising edge. Synonym for positive-going edge.
ROM.
Read-only memory.
ROM/BIOS.
The
ROM
resident basic inputI output system,
which provides the level control of the major
110
devices in the
computer system.
row address strobe (RAS). A signal that latches the row address
in a memory chip.
RS-232C.
A standard by the
EIA
for communication between
computers and external equipment.
RTS. Request to send. Associated with modem control.
run. A single continuous performance of a computer program or
routine.
saturation.
In
computer graphics, the purity of a particular hue.
A color
is
said to be saturated when at least one primary color
(red, blue,
or
green)
is
completely absent.
scaling.
In
computer graphics, enlarging
or
reducing all
or
part of
a display image by multiplying the coordinates
of
the image by a
constant value.
schematic. The representation, usually in a drawing
or
diagram
form,
of
a logical
or
physical structure.
Schottky TTL. A version
(S
series)
of
TTL
with faster switching
speed,
but
requiring more power. See also transistor-transistor
logic and low power Schottky TTL.
SOL. Shielded
Data
Link
SOLC. Synchronous
Data
Link Control.
sector.
That
part of a track
or
band
on
a magnetic drum, a
magnetic disk,
or
a disk pack that can be accessed
by
the
magnetic heads in the course
of
a predetermined rotational
displacement of the particular device.
SEROES. Serializer
I deserializer.
Glossary·30
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