A software product can be judged by what it offers and how well it can be used. This software must satisfy on the following grounds: Operational, Transitional, Maintenance Well-engineered and crafted software is expected to have the following characteristics:

1. Operational:

This tells us how well software works in operations. It can be measured on:

• Budget
• Usability
• Efficiency
• Correctness
• Functionality
• Dependability
• Security
• Safety

2. Transitional:

This aspect is important when the software is moved from one platform to another:

• Portability
• Interoperability
• Reusability
• Adaptability

3. Maintenance:

This aspect briefs about how well software has the capabilities to maintain itself in the ever-
changing environment:

• Modularity
• Maintainability
• Flexibility
• Scalability