Give a specific example that illustrates each of the software quality characteristics listed in Figure 1.1.

Figure 1.1

Quality Characteristic	Description
Correctness	The degree to which software adheres to its specific requirements.
Reliability	The frequency and criticality of software failure.
Robustness	The degree to which erroneous situations are handled gracefully.
Usability	The ease with which users can learn and execute tasks within the software.
Maintainability	The ease with which changes can be made to the software.
Reusability	The ease with which software components can be reused in the development of other software systems.
Portability	The ease with which software components can be used in multiple computer environments.
Efficiency	The degree to which the software fulfills its purpose without wasting resources.