Usability Maintainability Portability Efficiency Reliability Functionality

Related characteristics

suitability
accuracy
compliance
interoperability
security
traceability

Accuracy

 

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Description

Attributes of software that bear on the provision of right or agreed results or effects.

Indicators

1. Failure ratio

The ratio of incorrect processed transactions to the total of presented transactions.

 

 

Source

QUINT

Scale

ratio

Validity

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Protocol

1. Compose a set of transactions in a structured way;

2. Present the test set to the software product;

3. Compare the results with the expected results of the test;

4. Determine the number of transactions that are not processed according to the specifications;

5. Determine the ratio of the number found at step 4 to the size of the test set.

Note

 

 

2. Significant digits ratio

The ratio of the implemented significant digits to the required significant digits.

Source: ISO

Note: A higher value is preferred.

3. Manual conformance ratio

The ratio of functions implemented and the matching product to the functions written in the user's manuals.

Source: ISO

Note: A higher value is preferred.

4. Rounding treatment ratio

The ratio of functions with the required rounding treatment to the total number of implemented functions.

Source: ISO

Note: A higher value is preferred.