MIS 3320 - Systems Analysis & Design
Exam 2 - Sanchez
What is a use case? - ANS-an activity that the system must perform
What are the 2 parts of a use case? - ANS-- functional requirements
- verb + noun
What is a use case usually a response to? - ANS-a request by a user
What are 2 techniques used to identify use cases? - ANS-- user goal
- event decomposition
What is the User Goal Technique? - ANS-a technique to identify use case by asking the
users what they need the systems to do
List the 4 steps of the User Goal Technique - ANS-1. Identify the users
2. Interview them
3. Create the list of use cases
4. Verify the list with the users
Watch should you watch out for when creating a list of user stories? - ANS-- Duplicates
(as some users may need the same use case)
- Inconsistencies
What is the user called in a use case? - ANS-An actor
What is the Event Decomposition Technique? - ANS-A technique to identify use cases
by identifying the events that occur to which the system must respond
What is an important distinction to make during the Event Decomposition Technique? -
ANS-Distinguish between prior conditions and an event
Example:
Event: Customer buys an item
Prior conditions:
1. Customer tries on a jacket
2. Customer puts jacket in the shopping cart
,3. Customer removes jacket from the shopping cart
4. Customer puts t-shirt in the shopping cart
*5. Customer buys the t-shirt*
What is an event? - ANS-an occurrence at a specific time & place which needs to be
remembered
Which of the following is an event, and which is a use case?
- Customer buys an item
- Record purchase - ANS-- Customer buys an item (Event)
- Record purchase (Use case)
What are 3 types of events? - ANS-- External events
- Customer calls to issue a complaint
- Temporal events
- Time to send a monthly rental invoice
- State Events
- When QOH <= ROP
What does UML stand for? - ANS-Unified Modeling Language
What is UML? - ANS-an object-oriented (OO) modeling language)
What does a UML consist of? - ANS-multiple types of diagrams
Who was UML developed by? - ANS-the "3 amigos" - James Rumbaugh, Grady Booch,
& Ivar Jackson
What is Rational Unified Process (RUP)? - ANS-an object-oriented systems devlopment
mehtodology
Who now manages UML? - ANS-Object Management Group (OMG)
What are the two types of UML diagrams? - ANS-Structure diagrams & behavior
diagrams
What does a structure UML diagram show? - ANS-show a static view of the system -i.e.
objects, attributes, etc.
• Class diagram, Component diagram, Deployment diagram, Object diagram, Package
diagram, etc.
, What does a behavior UML diagram show? - ANS-show a dynamic view - i.e.
behavior/collaboration between objects
• Activity diagram, Use Case diagram, Sequence diagram, State machine,
Communication diagram, etc.
What is a Use Case Diagram? - ANS-a UML diagram depicting the relationship between
actors & use cases
What does a Use Case Diagram define? - ANS-Scope/Functional Requirements
Match the Use Case Diagram Symbols to their meaning:
a. Oval
b. stick figure
c. rectangular frame
d. line
1. automation boundary
2. actor
3. association
4. use case - ANS-a. Oval - 4. use case
b. stick figure - 2. actor
c. rectangular frame - 1. automation boundary
d. line - 3. association
What is the automation boundary? - ANS-the boundary between thesoftware & the
actors of the system
What special formatting is used in a Use Case Diagram? - ANS-<<angular
quotes/guillemets>>
What are two special associations? - ANS-<<include>>- When the base use case
always includes another use case.
<<extend>>- When the base use case sometimes includes another use case
What does the Use Case Description do? - ANS-Describes the details for a given use
case
What are the various levels of details for a Use Case Description? - ANS-• Brief
• Intermediate
• Fully developed
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