Systems Analysis And Design - Chapter 3 Guaranteed
Systems Analysis and Design - Chapter 3 Guaranteed
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Systems Analysis and Design - Chapter 3 Guaranteed Success
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Systems Analysis and Design - Chapter 3 Guaranteed
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Systems Analysis And Design - Chapter 3 Guaranteed
Systems Analysis and Design - Chapter 3 Guaranteed
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Outputs for the Planning Phase - Outputs: - System request - Feasibility study - Project plan
Steps in the Analysis Phase - Steps:
1. Understand the existing situation (the as-is system)
2. Identify improvements
3. Define requir...
Systems Analysis and Design - Chapter 3 Guaranteed
Success
Outputs for the Planning Phase
- Outputs:
- System request
- Feasibility study
- Project plan
Steps in the Analysis Phase
- Steps:
1. Understand the existing situation (the as-is system)
2. Identify improvements
3. Define requirements for the new system (the to-be)
Final Deliverable of the Analysis Phase
- Deliverable: The system proposal, which includes:
- Use cases
- Process models
- Data model
- Revised feasibility analysis and work plan
Requirements Determination
- Definition: The process of transforming a high-level statement of business requirements from the
system request into a detailed, precise list of what the new system must do.
Definition of a Requirement
- Requirement: A statement of what the system must do or the characteristics it needs to have.
, Categories of Requirements
- Requirement Categories:
- Business requirements/needs
- User requirements
- Nonfunctional requirements
- System requirements
Understanding User and Functional Requirements
- User Requirement: Focuses on what the user needs to accomplish with the system to fulfill a task.
- Functional Requirement: Directly related to processes the system must perform in support of user
tasks and the information needed.
Comparison: User vs. Functional Requirements
- Difference: The user performs a task, while functional requirements specify what the system must do
to fulfill that task.
Basic Steps in Conducting Interviews
1. Selecting interviewees
2. Designing interview questions
3. Preparing for the interview
4. Conducting the interview
5. Post-interview follow-up
Selecting Interviewees
- Inclusion: Include people at various organizational levels such as managers, users, and other key
stakeholders.
Designing Interview Questions
- Types of Interviews:
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