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Unit 6 · Software Engineering Paper 2 CS · June 2025

Match List I (Software Quality Characteristic) with List II (Description)
List IList II
A. ReliabilityI. Ability to transfer the software from one organization or hardware/software environment to another.
B. EfficiencyII. Capability of software to maintain its level of performance under stated conditions for a stated period of time.
C. MaintainabilityIII. Relationship between the level of performance of the software and the amount of resources used, under stated conditions.
D. PortabilityIV. Effort needed to make modifications, including corrections, improvements or adaptation of software to changes in environment, requirements and functional specifications.

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Correct answer: B. A-II, B-III, C-IV, D-I

Explanation

Reliability is maintaining the level of performance under stated conditions for a stated period (II). Efficiency relates performance to the resources used (III). Maintainability is the effort needed to make modifications (IV). Portability is the ability to transfer the software to another environment (I).

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