boundary scan

The use of scan registers to capture state from device input and output pins. IEEE Standard 1149.1-1990 describes the international standard implementation (sometimes called JTAG after the Joint Test Action Group which began the standardisation work).

Last updated: 1995-02-14

boundary value

boundary value analysis

boundary value analysis

<programming>

A test data selection technique in which values are chosen to lie along data extremes. Boundary values include maximum, minimum, just inside/outside boundaries, typical values, and error values. The hope is that, if a systems works correctly for these special values then it will work correctly for all values in between.

Last updated: 1996-05-10

bounded

<theory>

In domain theory, a subset S of a cpo X is bounded if there exists x in X such that for all s in S, s <= x. In other words, there is some element above all of S. If every bounded subset of X has a least upper bound then X is boundedly complete.

("<=" is written in LaTeX as \subseteq).

Last updated: 1995-02-03

boundedly complete

<theory>

(Or "consistently complete") In domain theory, a complete partial order is boundedly complete if every bounded subset has a least upper bound.

Last updated: 2014-07-01

bound variable

1. A bound variable or formal argument in a function definition is replaced by the actual argument when the function is applied. In the lambda abstraction

 \ x . M

x is the bound variable. However, x is a free variable of the term M when M is considered on its own. M is the scope of the binding of x.

2. In logic a bound variable is a quantified variable. See quantifier.

Nearby terms:

bounce messageboundary scanboundary valueboundary value analysis

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