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B
b
B
bandwidth
base address
binary
bipolar
BNC
buffer
burst-mode
bus
bus master
C
C
CalDAC
channel
circuit trigger
© National Instruments Corporation
bit—one binary digit, either 0 or 1
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
the range of frequencies present in a signal, or the range of frequencies to
which a measuring device can respond
a memory address that serves as the starting address for programmable
registers. All other addresses are located by adding to the base address.
a number system with a base of 2
a signal range that includes both positive and negative values (for example,
–5 V to +5 V)
a type of coaxial signal connector
temporary storage for acquired or generated data (software)
a high-speed data transfer in which the address of the data is sent followed
by back-to-back data words while a physical signal is asserted
the group of conductors that interconnect individual circuitry in a computer.
Typically, a bus is the expansion vehicle to which I/O or other devices are
connected. Examples of PC buses are the ISA and PCI bus.
a type of a plug-in board or controller with the ability to read and write
devices on the computer bus
Celsius
calibration DAC
pin or wire lead to which you apply or from which you read the analog or
digital signal. Analog signals can be single-ended or differential. For digital
signals, you group channels to form ports. Ports usually consist of either
four or eight digital channels.
a condition for starting or stopping clocks
G-3
Glossary
PCI-4451/4452 User Manual
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