Why to test a Software?

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- Software Products has become an integral part of our life and is increasingly being used in mission critical s/w
- Software is being used by large number of people and we have little control over the way it is used
- for eg: Aircrafts, space system, Medical equipments, stock exchanges, Banks are some the most critical domains using s/w in their day to day performance.Reliability and performance of software systems like this is of crucial importance in social living.
- Nowadays the software is being used in mission critical situations where the failure is unacceptable

 A need for high reliabilty products on one hand and defective systems on other hand has forced the s/w industry to heavily depend on the Testing.

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