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UGC NET CSE | December 2004 | Part 2 | Question: 43

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Option A

Software reliability testing is a field of software testing that relates to testing a software's ability to function, given environmental conditions, for a particular amount of time. Software reliability testing helps discover many problems in the software design and functionality.

Reliability for software is a number between 0 and 1. Reliability increases when errors or bugs from the program are removed

Probability = Number of failing cases / Total number of cases under consideration

Secondary objectives

The secondary objectives of reliability testing is:

  1. To find perceptual structure of repeating failures.
  2. To find the number of failures occurring in a specified amount of time.
  3. To find the mean life of the software.
  4. To discover the main cause of failure.
  5. Checking the performance of different units of software after taking preventive actions.

 

https://en.wikipedia.org/wiki/Software_reliability_testing

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