National Instruments PCI-1428 User Manual
Page 33
Glossary
© National Instruments Corporation
G-5
L
line count
The total number of horizontal lines in the picture.
LSB
Least significant bit.
LUT
Look-up table. Table containing values used to transform the gray-level
values of an image. For each gray-level value in the image, the
corresponding new value is obtained from the look-up table.
LVDS
Low Voltage Differential Signaling (EIA-644).
M
m
Meters.
M
(1) Mega, the standard metric prefix for 1 million or 10
6
, when used with
units of measure such as volts and hertz; (2) mega, the prefix for 1,048,576,
or 2
20
, when used with B to quantify data or computer memory.
MB
Megabyte of memory.
Mbytes/s
A unit for data transfer that means 1 million or 10
6
bytes/s.
memory buffer
See buffer.
memory window
Continuous blocks of memory that can be accessed quickly by changing
addresses on the local processor.
MSB
Most significant bit.
MTBF
Mean time between failure.
mux
Multiplexer. A switching device with multiple inputs that selectively
connects one of its inputs to its output.
N
NI-IMAQ
Driver software for National Instruments IMAQ hardware.
NVRAM
Nonvolatile RAM. RAM that is not erased when a device loses power or is
turned off.