chAptEr 3 Flashcards
What is a requirement?
A statement of what the system must do.
List the types of requirements.
Business requirements
Use requirements
Functional requirements
Nonfunctional requirements
System requirements
What are business needs?
What the business needs
What are user requirements?
What the user needs to do.
What are user requirements?
What the software should do
What are nonfunctional requirements?
Characteristics the system should have.
What are system requirements?
How the system should be built
List some examples of business requirement.
Produce performance reports
Provide accurate project status report
List some examples of user requirements.
Scheduling client appointments
Placing new customer orders
List some examples of functional requirements.
Process-oriented.
Information-oriented.
List the behavioral properties of nonfunctional requirements. COPS
Operational
Performance
Security
Cultural & Political
What is the operational behavioral property?
Physical and technical operating environment.
What is the performance behavioral property?
Speed, capacity, and reliability of the system.
What is the security behavioral property?
Access restrictions, needed safeguards
What are the cultural and political behavioral properties?
Cultural and political issues that will affect the final system.
What is the purpose of the requirements definition statement?
To define the project scope.
List the requirements elicitation techniques.
Interviews
Questionnaires
Observation
Joint application development (JAD)
Document analysis
How is the interview technique conducted?
The systems analysts collects information from
individuals face to face