SOFTWARE ENGINEERING

SOFTWARE TESTING

TEST PLAN AND TEST CASE DEVELOPMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When what is visible to end-users is a deviation from the specific or expected behavior, this is called:
A
An error
B
A fault
C
A failure
D
A defect
Explanation: 

Detailed explanation-1: -When what is visible to end-users is a deviation from the specific or expected behavior. This is called: A defect.

Detailed explanation-2: -It can be simply defined as a variance between expected and actual. The defect is an error found AFTER the application goes into production.

Detailed explanation-3: -Failures can also be caused because of the other reasons also like: Because of the environmental conditions as well like a radiation burst, a strong magnetic field, electronic field or pollution could cause faults in hardware or firmware. Those faults might prevent or change the execution of software.

Detailed explanation-4: -Expected Result is an ideal result that the tester should get after the test case is performed. It’s usually documented together with the test case. It’s usually compared with actual result, and if the actual result differs from the expected one, the difference is documented and called a bug.

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