Glossary
© National Instruments Corporation G-5 IMAQ PCI-1428 User Manual
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
,whenusedwith
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.
