Question

What is the cost of error correction for errors discovered after the software has become operational?

a.

1 to 5 times higher than the cost of errors discovered during the design phase.

b.

10 to 90 times higher than the cost of errors discovered during the design phase.

c.

Equal to the cost of errors discovered during the design phase.

d.

The cost cannot be determined as it depends on the size and criticality of the system.

Posted under Software Engineering

Answer: (b).10 to 90 times higher than the cost of errors discovered during the design phase. Explanation:According to the study by Boehm, the cost of error correction for errors discovered after the software has become operational is 10 to 90 times higher than the cost of errors discovered during the design phase. The ratio still holds for big and critical systems.

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