SAD CHAPTER 2

What is the significance of conceptualizing organizations as complex systems?

• To ascertain information requirements properly

• To understand how organizations work

• All of the above

• To design appropriate information systems

What are the interrelatedness and interdependence of systems?

• All of the above

• Feedback is one form of system control

• All systems process inputs from their environments

• When any element of a system is changed, the rest of the system's elements are also significantly affected

What is the ideal system in terms of self-correction and self-regulation?

• A system that is completely closed

• A system that relies on external feedback for control

• A system that self-corrects or self-regulates without requiring decisions

• A system that requires decisions on typical occurrences

What is the purpose of an enterprise system or enterprise resource planning (ERP) system?

• All of the above

• To integrate organizational information systems

• To manage resources effectively

• To improve manufacturing and assembly

What is the context-level data flow diagram used for?

• To focus on the data flow into and out of the system

• To describe the processing of data in the system

• All of the above

• To analyze the system for accuracy and completeness

What is the purpose of the entity-relationship model in systems analysis?

• To show the scope of the system and define proper system boundaries

• To describe the interactions and relationships of individual use cases

• To represent the elements that make up an organizational system

• To identify the primary entity in the organization

What is the use case model used for?

• All of the above

• To document a single transaction or event in the system

• To provide an effective means of communication between the business team and the development team

• To describe how the system works

What is the communicates relationship in a use case diagram?

• Describes the situation in which a use case contains behavior that is common to more than one use case

• Connects an actor to a use case

• Describes the situation in which one use case possesses the behavior that allows the new use case to handle a variation or exception

• Implies that one thing is more typical than the other thing

What is the primary use case in a use case diagram?

• Describes the situation in which one use case possesses the behavior that allows the new use case to handle a variation or exception

• Implies that one thing is more typical than the other thing

• Describes the situation in which a use case contains behavior that is common to more than one use case

• Describes the standard flow of events in the system

What is the purpose of developing use case scenarios?

• To describe the standard flow of events in the system

• To describe what happens if an item purchased is out of stock

• All of the above

• To document a single transaction or event in the system