Page 5 of 5

Part III: Writing

Answer the following questions clearly:

1. What are CASE tools? What is a CASE repository and how is it used? (2 points)

2. When completing a project, some tasks are independent of others, whereas some are interdependent. What does task interdependence mean in regards to slack? How are slack and the critical path related? (2 points)

3. Discuss why some systems developers believe that a data model is one of the most important parts of the statement of information system requirements. (2 points)

4. Describe the prototyping process of designing forms and reports. What deliverables are produced from this process? Are these deliverables the same for all types of system projects? Why or why not? (2 points)

5. When should you use an Agile method, and when should you use an engineering-based method for developing a system? Support your answer. (2 points)

Question

30-07-2024
Computers and Technology

Answered

Page 5 of 5

Part III: Writing

Answer the following questions clearly:

1. What are CASE tools? What is a CASE repository and how is it used? (2 points)

2. When completing a project, some tasks are independent of others, whereas some are interdependent. What does task interdependence mean in regards to slack? How are slack and the critical path related? (2 points)

3. Discuss why some systems developers believe that a data model is one of the most important parts of the statement of information system requirements. (2 points)

4. Describe the prototyping process of designing forms and reports. What deliverables are produced from this process? Are these deliverables the same for all types of system projects? Why or why not? (2 points)

5. When should you use an Agile method, and when should you use an engineering-based method for developing a system? Support your answer. (2 points)

Answer :

Final answer:

The detailed answer covers CASE tools, task interdependence and slack, the importance of data model, prototyping process, and when to use Agile vs. Engineering-based methods for system development.

Explanation:

1. What are CASE tools? What is a CASE repository and how is it used?

CASE tools refer to Computer-Aided Software Engineering tools, which are software applications used by developers to create, design, and maintain software systems. A CASE repository is a centralized database where all project-related information, such as diagrams, documentation, requirements, and code, is stored and managed. It is used to provide a shared platform for team collaboration, version control, and to ensure consistency and integrity of project artifacts.

2. What does task interdependence mean in regards to slack? How are slack and the critical path related?

Task interdependence indicates how much team members rely on each other to complete their tasks. In project management, if tasks are interdependent, slack (extra time available for a task without delaying the project) is reduced. The critical path is the longest sequence of tasks determining the project duration, and tasks on the critical path have zero slack.

3. Why is a data model one of the most important parts of the statement of information system requirements?

Some systems developers consider a data model crucial as it defines the structure, relationships, and constraints of data within a system. It helps in visualizing how data flows through a system, ensuring accurate storage, retrieval, and manipulation of information, vital for meeting organizational needs.

4. Describe the prototyping process of designing forms and reports.

In the prototyping process, initial versions of forms and reports are created based on user requirements for feedback and refinement. Deliverables include mockups, wireframes, and functional prototypes. These deliverables may vary for different system projects depending on their complexity and specific requirements.

5. When to use Agile vs. Engineering-based methods for system development?

Agile methods are suitable for projects with high uncertainty where customer involvement is crucial, offering flexibility and adaptability. Conversely, engineering-based methods like the waterfall model are best for stable projects with clear goals and requirements. The project's uncertainty level, customer engagement, and project characteristics should determine the choice of methodology.

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