National Instruments IMAQ PCI-1422, User Manual

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Glossary
IMAQ PCI/PXI-1422 User Manual G-6 ni.com
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.
noninterlaced A video frame where all the lines are scanned sequentially, instead
of divided into two frames as in an interlaced video frame.
NVRAM Nonvolatile RAM. RAM that is not erased when a device loses power or is
turned off.
O
operating system Base-level software that controls a computer, runs programs, interacts with
users, and communicates with installed hardware or peripheral devices.