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Causes of Software Defects

It is practically impossible that developer develop a bug free software and that software we can deliver without Testing. If the complexity of the software increased then there must be bugs that can harm the users who will use that software.

There are some factors which are the some causes of  introduction of bug in software
  • Lack of Product Knowledge or Misunderstanding regarding the Requirement
  • When unrealistic time schedule provided by Management Team
  • Person that using the software do not have enough knowledge regarding the software that followed the bugs
  • There may be design mistakes during designing
  • There may be some lack in coding due to that software have some bugs
  • Due to human factors introduce a bug into the software
  • May be used Third Party Tool have bugs already. So once we use them those bugs introduce in our system
  • Sometimes requirement changes in last minute 
  • Testing Environment is not setup correctly
  • Lack of  Version Controlling
  • Complexity of the software program 
  • Written Test Cases without proper understanding of the Software requirement
  • Not provide proper training when introduce to use new technologies
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