+---+
     | N |
     +---+

NEGATIVE TESTING

Testing aimed at showing software does not work.
[Beizer]

NON-FUNCTIONAL REQUIREMENTS TESTING

Testing of those requirements that do not relate to
functionality. i.e. performance, usability, etc.(BCS)

NOMINAL DURATION

Assumes that team has been drawn from the top 50% of
resource pool, who have some familiarity with the
development environment and application, but are not
specialists.  The team is expected to take some time to
gel and will experience some conflict and it can
experience turnover of around 10-12% per year.

NON-COMPLIANT

can be stated as failure to meet the requirements of
"Year 2000 compliant" or "Year 2000 Ready" and where
rework or replacement is needed to allow correct
operation.

Acceptability Index 9 is defined as "Non-compliant".
(Cinderella)

N-SWITCH COVERAGE

The percentage of sequences of N-transitions that have
been exercised by a test case suite.(BCS)

N-SWITCH TESTING

A form of state transition testing in which test cases
are designed to execute all valid sequences of
N-transitions.(BCS)

N-TRANSITIONS

A sequence of N+1 transitions.(BCS)