What are six software defect origins?

These are the defect origins
  • Requirements
  • Design
  • Source code
  • User manuals/training material
  • “Bad fixes” or mistakes made during repairs
  • Flawed test cases used by the application

  • Requirements
There may ambiguous or unclear or unrelated requirements later which produce defects in the saoftware
  • Design
If the design is not proper then it may arise the software defects
  • Source code
The source code may not be proper or buggy against requirements
  • User manuals/Training material
If the user manual or training materials are not according to business then defect can come in the software
  • “Bad fixes” or mistakes made during repairs
If bugs reported are not fixed properly or when when repairing does not care for the ripple effects or dependency
  • Flawed test cases used by the application
When test cases written for testing were not proper as per requirement of the software.

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