A file that contains flattened data. A binary file is more efficient than a text file in disk space and in speed. See also: Flattened Data, Text File.
block diagram
Pictorial description or representation of a program or algorithm. In LabVIEW, the block diagram, which consists of executable icons called nodes and wires that carry data between the nodes, is the source code for the VI. The block diagram resides in the block diagram window of the VI.
boolean
A datatype that has two states: TRUE or FALSE. In LabVIEW, Booleans are represented by the color green.
boolean controls
Front panel objects used to manipulate and display or input and output Boolean (TRUE or FALSE) data. Several styles are available, such as switches, buttons, and LEDs.
breakpoint
A pause in execution. You set a breakpoint by clicking on a VI, node, or wire with the Breakpoint tool from the Tools palette.
breakpoint tool
Tool used to set a breakpoint on a VI, node, or wire.
Broken VI
VI that cannot be compiled or run; signified by a broken arrow in the run button.
broken wires
Wires that cannot work properly because they are not connected to anything, or are connecting mismatched data types, or are not connected between one and only one data source and at least one data sink. They appear as dashed lines, instead of solid and colored (according to a LabVIEW data type color).
buffer
Memory for storing data. For example, a buffer is used for transferring data from a DAQ device to one's LabVIEW application.
build specification
A set of rules for transforming project source files into a built software product, such as an executable, installer, ZIP file, shared library, or source distribution. A LabVIEW project can have multiple build specifications.
bundle node
Function that creates clusters from various types of elements. See also Unbundle Node.
byte stream file
File that stores data as a sequence of ASCII characters or bytes.
