Which of the following is not an attribute of software engineering?

A).  Efficiency

B).  Scalability

C).  Dependability

D).  Usability

 Dependability

Dependability is not an attribute of software engineering. Dependability is a measure of a system's availability, reliability, and its maintainability, and maintenance support performance, and, in some cases, other characteristics such as durability, safety and security.

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