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Software Testing History

August 12, 2009
From
To
Phase
Description
1956
Debugging
1. Software Programs are written and then tested by the developers until
they are satisfied that all bugs were removed.
2. There is no clear difference between testing and development.
1957
1978
Demonstration
Debugging is still performed to ensure that the system is bug free. But an
additional testing method is added to check the functionality.
1979
1982
Destruction
The testing is focused on which the system does its expected functionality
and tries to identify bugs. The term Debugging now means fault
identification.
1983
1987
Evaluation
In this, the faults identified at the previous stage in development lifecycle are
resolved, and then testing becomes an activity at the end of each stage of
the lifecycle.
1988
Prevention
The idea is to prevent errors in each stage of the development lifecycle by
testing. Testing is focus on finding where errors might be made
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