GATE (Graduate Aptitude Test in Engineering) Computer Science & IT (CS) Information Systems and Software Engineering-Testing Study Material (Page 6 of 23)
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Software Reliability: Favorable Account of MTBF
Favorable Account of MTBF
There are many researchers who have given a favorable account of MTBF as a far more useful measure than the other quality-related software metrics. Their point is that an end user is concerned with failures, not with the total defect count. Because each defect contained within a program does not have the same failure rate, the total defect count provides little indication of the reliability of a system. For example, consider a program that has been in operation for
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Software Reliability: Percentage of Time
Percentage of Time
Alternatively, Software availability also represents the percentage of time during which the software is deemed to be operational.
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