Glossary
IMAQ PCI/PXI-1411 User Manual G-2 www.ni.com
active pixe l region The region of pixels actively being stored. Defined by a pixel start (relative
to the horizontal synchronization signal) and a pixel count.
address Value that identifies a specific location (or series of locations) in memory.
API Application programming interface.
area A rectangular portion of an acquisition window or frame that is controlled
and defined by software.
array Ordered, indexed set of data elements of the same type.
ASIC Application-Specific Integrated Circuit. A proprietary semiconductor
component designed and manufactured to perform a set of specific
functions for specific customer needs.
Bb Bit. One binary digit, either 0 or 1.
B Byte. Eight related bits of data, an eight-bit binary number; also used to
denote the amount of memory required to store one byte of data
brightness A constant that is added to the red, green, and blue components of a color
pixel during the color decoding process.
buffer Temporary storage for acquired data.
bus A group of conductors that interconnect individual circuitry in a computer,
such as the PCI bus; typically the expansion vehicle to which I/Oor other
devices are connected.
CC Celsius.
cache High-speed processor memory that buffers commonly used instructions or
data to increase processing throughput.
CMOS Complementary metal-oxide semiconductor.