30 Questions
Which technique is used to identify user stories and use cases?
Event decomposition
What is the purpose of user stories and use cases in defining functional requirements?
To form the basis for the list of functions the system needs to carry out
How do user stories and use cases differ in terms of approach and level of detail?
User stories focus on goals and capture less detail than use cases
Which system development methodologies favor user stories over use cases?
Agile methodologies
Which technique is the most comprehensive for identifying use cases?
Use Cases and Event Decomposition
What is an elementary business process (EBP)?
A task performed by one person in one place in response to a business event
What drives or triggers all processing that a system does?
Business events
What is the focus of the charge account system when described in terms of events?
The business requirements and elementary business processes
Which type of event occurs outside the system and is usually initiated by an external agent or actor?
External events
What is the name of the technique used to identify use cases by decomposing events?
Event decomposition technique
Which type of event occurs when external entities provide new information that the system needs to store for later use?
External events
What is the first step in identifying key external events using the event decomposition technique?
Identify all the external agents that might want something from the system
Which of the following is a characteristic of user stories in Agile development?
They are usually one short sentence in the everyday language of the end user.
What is the purpose of a user story in Agile development?
To describe a goal the user has when using the system.
What is the standard template for a user story in Agile development?
As a
What is the purpose of acceptance criteria in a user story?
To clarify the expectations of the user and verify the user is looking at the user story at an appropriate level of analysis.
Which type of event occurs as a result of reaching a point in time?
Temporal event
What is the name for an event that occurs when something happens inside the system that triggers the need for processing?
State event
What is the difference between external events and temporal events?
External events are initiated by an external agent, while temporal events occur as a result of reaching a point in time.
What makes it difficult to distinguish between an event and part of a sequence of prior conditions?
The length of the sequence
According to the text, what is the purpose of the user goal technique in identifying use cases?
To determine the specific goals of each user type
What is the first step in the user goal technique for identifying use cases?
Identify all the potential users for the new system
What is the purpose of creating a list of preliminary use cases organized by type of user?
To organize the identified goals and requests from each user type
What is the purpose of reviewing the completed list of use cases with each type of user and interested stakeholders?
To ensure that the identified use cases align with the goals and needs of each user type
Is the act of supplying the credit card an event?
No, it is part of the interaction following the event.
Can the system transaction be completed without interruption?
Yes, the system transaction can be completed without interruption.
After the transaction is complete, is the system at rest again?
Yes, the system is at rest again.
Do separate events occur when the customer pays the bill at the end of the month?
Yes, separate events occur.
Is the processing part of the interaction involving the purchase?
No, the system does not halt all processes to wait for the payment.
Does the system halt all processes to wait for the payment?
No, the system does not halt all processes to wait for the payment.
This quiz tests your knowledge of external events and their significance in system interactions. Learn about various types of external agents, such as management and external agents seeking transactions or information. Explore how data changes and updates are also considered external events. Test your understanding of these concepts in this quiz.
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