National Instruments PXI/CompactPCI Embedded Computer NI PXI-8108 User Manual

Page 72

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Glossary

NI PXI-8108 User Manual

G-2

ni.com

B

B

Bytes.

backplane

An assembly, typically a printed circuit board, with connectors and signal
paths that bus the connector pins.

BIOS

Basic Input/Output System—BIOS functions are the fundamental level
of any PC or compatible computer. BIOS functions embody the basic
operations needed for successful use of the computer’s hardware resources.

C

C

Celsius.

cache

Small portion of high-speed memory used for temporary storage of
frequently used data.

CMOS

Complementary Metal Oxide Semiconductor—A type of integrated circuit.

CompactPCI

An adaptation of the PCI specification for industrial and/or embedded
applications that require a more robust mechanical form factor than desktop
PCI. CompactPCI provides a standard form factor for those applications
requiring the high performance of PCI as well as the small size and
ruggedness of a rack-mount system.

Controller

An embedded computer module which configures and accesses a series of
devices connected to a chassis backplane.

D

DC

Direct Current.

DDR2

Double Data Rate, 2

nd

generation.

DIMM

Dual In-line Memory Module.

DMA

Direct Memory Access—A method by which data is transferred between
devices and internal memory without intervention of the central processing
unit.

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