Multiple choice technology testing A failure is: found in the software; the result of an error. departure from specified behaviour an incorrect step, process or data definition in a computer program. a human action that produces an incorrect result. Reveal answer Fill a bubble to check yourself B Correct answer Explanation A failure is the observable departure from specified behavior - when the system doesn't work as expected. An error is a human mistake (option D), a defect is the code flaw (option C), and failures result from defects executing.