18 Questions
What is the purpose of data flow diagrams in systems development?
Illustrating data structure and design
Which system development tool is used to outline logic for programmers to write code modules?
Process model
In systems development, what does a network model depict?
Telecommunication link design and protocols
What is the primary role of data flow diagrams in modeling?
Examining input, output, and user interface
Which technique is NOT typically used in data flow diagrams?
Business model
What aspect of systems do object models describe?
Objects combining data and processes
What is one advantage of Computer-Aided Systems Engineering (CASE) Tools?
Identifies needed changes and refines requirements
Which development methodology begins with the organization's operational level as the core?
Bottom-Up
In the Integrated Approach, which method is primarily used for initial planning?
Top-Down
What does Top-Down methodology utilize as the system base?
Executive management level
Which approach ensures proper alignment with operational level requirements in the Integrated Approach?
Bottom-Up
What is a characteristic of Structured Analysis?
Primarily uses graphical understandable system specifications
What is a disadvantage of the Waterfall Model in the System Development Life Cycle?
Costly to accommodate changes once underway
Which model in the System Development Life Cycle reflects ongoing dialogue among users, managers, and systems developers?
Interactive Model
In the Waterfall Model, how do the results of each phase move forward?
Results flow sequentially into the next phase
Which of the following is NOT an advantage of the Waterfall Model?
Flexibility in changing requirements
What makes the Waterfall Model best suited for well-understood requirements?
Sequential flow of results from one phase to another
Which model allows planning, analysis, and design to interact continuously before implementation and operation?
Interactive Model
Learn about the people who operate the system, provide inputs, consume outputs, and perform manual processing activities in the context of systems development. Explore the different types of users, such as internal and external users, and understand how modeling produces graphical representations for analysis, testing, and modifications.
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