30 Questions
What is the purpose of identifying the Critical Path in a project?
To identify tasks that, if delayed, will delay the entire project
Which factor is NOT mentioned as a potential impact on time delivery in a project?
Quality of project deliverables
What characterizes the Predecessor tasks in a project?
They are tasks that need to happen before others and have multiple predecessor options
What is the purpose of identifying Multiple successor tasks in a project?
To start with smaller tasks and progress towards larger ones like task 3 and 4
In Task Boxes for a project, what information is NOT included?
Contact details of the task assignee
Which factor is highlighted as impacting time delivery in a project?
Experience with similar projects
What is a message in object-oriented programming?
A command that tells an object to perform a specific method
In object-oriented programming, what does inheritance establish?
Common attributes and methods for subclasses
What is polymorphism in the context of object-oriented programming?
Objects having different reactions to the same message
How are associations defined in object-oriented programming?
Through establishing relationships between classes
What is the purpose of a superclass in object-oriented programming?
To hold common attributes and methods shared by subclasses
How does polymorphism contribute to the flexibility of object-oriented programming?
By enabling different reactions to the same message
What is the main focus of a conceptual model?
Showing high-level abstract relations of concepts
Which type of model is concerned with specifying concrete storage characteristics and how data is stored?
Physical model
What is the primary difference between process models and data models?
Data models focus on data flow and transformation.
Which type of model describes the natural structure of data and the relationships among them?
Data model
In terms of system development, what does a logical model primarily focus on?
What the system will do
Why is it important to document mental models formally according to the text?
To communicate the model to others
What is the primary purpose of an analyst's role in strategic planning?
To define the scope of the project
How does a strong business case benefit a project?
It provides justification for a proposal
Which best describes how to determine if a request presents a strong business case?
By evaluating if the request supports the strategic plan
In the business case example provided, what is the main purpose of needing an event sign-up application connected to Authorize.net?
To collect payments from customers attending the conference
Why is it important for requests to present a strong business case?
To ensure alignment with strategic plans and objectives
Which request is considered better between needing an event sign-up application and adding a new checkbox field to the application table?
The one concerning an event sign-up application
What is the main focus of the 4 model approach mentioned in the text?
Current state and reverse engineering
In a Data Flow Diagram, what do External Entities represent?
Data sources and sinks external to the system
What is the naming convention for a Process in a Data Flow Diagram?
Uppercase verb
What is the purpose of a Data Store in the context of a DFD?
Stores and manages collections of data
Which level of DFD focuses on the system's interaction with the environment?
Context level
What does a Data Flow represent in a Data Flow Diagram?
Path for data movement in the system
Explore the different levels of data modeling, from mental models in our minds to physical models detailing storage characteristics. Learn about conceptual models, logical models, and physical models and how they are key in understanding and communicating complex systems.
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