National Instruments IMAQ PCI-1409, Руководство пользователя

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Glossary
© National Instruments Corporation G-3 IMAQ PCI/PXI-1409 User Manual
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/O or other
devices are connected.
C
C Celsius.
cache High-speed processor memory that buffers commonly used instructions or
data to increase processing throughput.
CCIR Comite Consultatif International des Radiocommunications. A committee
that developed standards for video signals. Also used to describe signals,
boards, and cameras that adhere to the CCIR standards.
chroma The color information in a video signal.
chrominance See chroma.
CMOS Complementary metal-oxide semiconductor.
CompactPCI Refers to the core specification defined by the PCI Industrial Computer
Manufacturer’s Group (PICMG).
conversion device Device that transforms a signal from one form to another. For example,
analog-to-digital converters (ADCs) for analog input and digital-to-analog
converters (DACs) for analog output.
CPU Central processing unit.
CSYNC Composite synchronization signal. Signals in a color video system that
multiplex all picture information into a single signal, such as NTSC, PAL,
or SECAM.
D
D/A Digital-to-analog.
DAC Digital-to-analog converter. An electronic device, often an integrated
circuit, that converts a digital number into a corresponding analog voltage
or current.