Monday, March 11, 2013

The difference between Bug, Error and Defect.

Error:
  • The difference between expected result and actual result is error.
  • Is an undesirable deviation from requirements  or Cosmetic.
  • When we found any deviation from our required output in the development environment we call it as Error.

Bug:
  • If that error comes at the tome of development stage before production then it is bug.
  • Is an error found BEFORE the application goes into production or missing Functionality.
  • when we found deviation from our System Requirement Specification (SRS) in the testing environment then we call it as BUG.

Defect:
  • If that error comes after production then we say it is defect.
  • Is an error found AFTER the application goes into production or missing Requirement.
  • When some problem found in the production environment we call it as Defect.

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