CIS 130 Quiz 3

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  • 1/16 Questions

    Data Flow diagramming is a tool for doing process modeling.

    • True
    • False
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  • 2. 

    The major inputs and major outputs listed on the use case provide a list of the sources and destinations of the inflows and outflows on the processes on a DFD.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The major inputs and major outputs listed on the use case indeed provide a list of the sources and destinations of the inflows and outflows on the processes on a DFD. This information helps in understanding the flow of data and the interactions between different components of the system. It is important to identify these inputs and outputs accurately to ensure that the system functions correctly and meets the intended requirements.

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  • 3. 

    Use cases illustrate the activities that are performed by the users of the system.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because use cases are a way to depict the interactions between users and a system. They describe the steps or actions that users take to accomplish a specific goal within the system. Use cases provide a clear understanding of the activities performed by the users, allowing for better design and development of the system.

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  • 4. 

    Use cases are the same as process diagrams.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Use cases and process diagrams are not the same. Use cases are a way of representing the interactions between actors and a system, while process diagrams illustrate the flow of activities or steps within a process. Therefore, the statement that "Use cases are the same as process diagrams" is false.

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  • 5. 

    Use cases are diagrams with three components: selection, process, iteration.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Use cases are diagrams that depict the interactions between users and a system. They are used to capture the functional requirements of a system by illustrating the different scenarios or use cases that can occur. Use cases typically consist of actors (users or external systems), the system under consideration, and the interactions or actions performed by the actors. They do not necessarily have three components of selection, process, and iteration. Therefore, the given statement is false.

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  • 6. 

    What is probably NOT a part of a Use Case?

    • Name

    • Number

    • Trigger

    • Major inputs

    • Statement of business value

    Correct Answer
    A. Statement of business value
    Explanation
    A statement of business value is not typically a part of a Use Case. Use Cases are used to describe the interactions between a system and its users, focusing on the functionality and behavior of the system. The other options listed (Name, Number, Trigger, Major inputs) are commonly included in a Use Case as they help to identify and define the specific scenario being addressed. However, a statement of business value is more commonly associated with a Business Case, which outlines the justification and benefits of a project or initiative.

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  • 7. 

    The relationship between use cases and data flow diagrams is:

    • Use cases tend to be developed with users to make sure the analyst has fully captured the processes and relationships; DFD's are built upon the use cases to more fully formally understand the processes involved

    • Both are tools in a systems analysts toolbox, although they do unrelated things

    • Use cases are developed by users exclusively; while DFD's are developed by analysts exclusively

    • Use cases come out of JAD sessions and clarify what was discussed by users in those sessions; DFD's come out of analysts' interviews.

    • They are the same thing – use cases are process models using the DeMarco and Yourdon notation; and DFD's are process models using the Gane and Sarson notation.

    Correct Answer
    A. Use cases tend to be developed with users to make sure the analyst has fully captured the processes and relationships; DFD's are built upon the use cases to more fully formally understand the processes involved
    Explanation
    Use cases and data flow diagrams (DFDs) are both tools used by systems analysts. Use cases are developed with users to ensure that the analyst has accurately captured the processes and relationships involved in a system. On the other hand, DFDs are created based on the use cases to provide a more detailed and formal understanding of the processes. In other words, use cases serve as a foundation for building DFDs, helping analysts to further analyze and comprehend the processes involved in a system.

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  • 8. 

    Data flow diagrams (as the name implies) focus on the physical data in a system.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Data flow diagrams do not focus on the physical data in a system. Instead, they focus on the flow of information and how it moves between different processes, entities, and data stores within a system. These diagrams are used to represent the overall structure and behavior of a system, showing how data is input, processed, and outputted. Therefore, the statement that data flow diagrams focus on the physical data in a system is incorrect.

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  • 9. 

    Process models are only used to document the current system (that is, the “as-is” system), since that is the system the users know and is the system that will be modified.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Process models are not only used to document the current system, but also to design and document future systems (the "to-be" system). By creating process models for both the current and future systems, users and stakeholders can visualize and understand the changes that will be made. This allows for effective communication, analysis, and improvement of the system. Therefore, the statement that process models are only used to document the current system is false.

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  • 10. 

    Logical process models are:

    • Models that describe processes without suggesting how they are conducted

    • Coded logic models

    • Models based upon implementing the if-then-else programming structure

    • Developed by the infrastructure analyst

    • Created in the system walkthough

    Correct Answer
    A. Models that describe processes without suggesting how they are conducted
    Explanation
    Logical process models are models that describe processes without suggesting how they are conducted. This means that they provide a high-level overview of the steps involved in a process, but do not specify the exact details of how each step should be carried out. These models are useful for understanding the flow and interactions between different processes, and can be used as a basis for further analysis and improvement.

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  • 11. 

    Which is probably NOT true about building use cases?

    • Analysts are involved

    • Users are involved

    • Major processes are analyzed

    • Major costs are analyzed

    • External or internal triggers are analyzed

    Correct Answer
    A. Major costs are analyzed
    Explanation
    Building use cases involves analyzing major processes, external or internal triggers, and involving analysts and users. However, it is not necessary to analyze major costs when building use cases. The focus is more on understanding the processes and triggers involved in order to develop effective use cases.

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  • 12. 

    A process model is:

    • The output of the interviewing process

    • The work plan

    • The model that is produced by extreme prototyping

    • The expanded and thoroughly balanced use case for a system

    • A formal way of representing how a business system operates

    Correct Answer
    A. A formal way of representing how a business system operates
    Explanation
    A process model is a formal way of representing how a business system operates. It provides a structured and visual representation of the various processes, activities, and interactions within a business system. It helps in understanding and analyzing the flow of information, resources, and decisions in the system. By using process modeling techniques such as flowcharts or activity diagrams, stakeholders can gain insights into the system's operations, identify bottlenecks, and make improvements to enhance efficiency and effectiveness.

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  • 13. 

    Brianna has a process has two inputs but only one output.

    • This is an error as there needs to be the same amount of inputs as outputs

    • This is an error as process do not have inputs or outputs

    • This is normal as all processes have two inputs and one output

    • This is normal as all processes need at least one input and at least one output

    • This is an error as processes only produce output

    Correct Answer
    A. This is normal as all processes need at least one input and at least one output
    Explanation
    The given answer is correct because it states that all processes need at least one input and at least one output. This means that it is normal for a process to have two inputs and one output. It is not necessary for the number of inputs and outputs to be the same in a process.

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  • 14. 

    Use cases are:

    • Process definition models created by users

    • Descriptions of how the business system will be implemented, including data flows and analysis

    • The requirements gathering document from interviewing users

    • The development of project plans on how a system will be used

    • Formal ways of representing how a a business system interacts with its environment

    Correct Answer
    A. Formal ways of representing how a a business system interacts with its environment
    Explanation
    The given answer is "Formal ways of representing how a business system interacts with its environment". This answer accurately describes what use cases are. Use cases are formal representations or models that depict how a business system interacts with its environment. They outline the various interactions and relationships between the system and its actors or users. Use cases are commonly used in software development and requirements gathering processes to understand and document the functionality and behavior of a system.

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  • 15. 

    Use cases are used to more fully delineate _____.

    • Resources used in the system

    • System boundaries

    • System proposals

    • System requirements

    • Data flows

    Correct Answer
    A. System requirements
    Explanation
    Use cases are used to more fully delineate system requirements. Use cases are a technique used in software development to capture and describe the interactions between users and a system. They outline the specific actions or tasks that users can perform and the corresponding system responses. By defining use cases, system requirements can be identified and specified in a more detailed and comprehensive manner, ensuring that the system meets the needs and expectations of its users.

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  • 16. 

    The relation between use cases and data flow diagrams is generally:

    • Use cases are developed by users and data flow diagrams are developed by systems analysts

    • Data flow diagrams are developed first and then use cases ensue

    • Use cases are developed first and then data flow diagrams ensue

    • Use cases show logical processes, while data flow diagrams show physical processes

    • There is not a relationship between use cases and data flow diagrams

    Correct Answer
    A. Use cases are developed first and then data flow diagrams ensue
    Explanation
    Use cases are developed first and then data flow diagrams ensue because use cases provide a high-level view of the system's functionality from the user's perspective. They outline the interactions between the user and the system. Data flow diagrams, on the other hand, depict the flow of data within the system and how it is processed. Once the use cases are defined, data flow diagrams can be created to further analyze and understand the system's data flow and processes. Therefore, the development of use cases precedes the development of data flow diagrams.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 31, 2009
    Quiz Created by
    Yupeilin
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