Transcript Chapter 1

Systems Analysis and Design in a
Changing World, Tuesday, Feb 13
Today’s Schedule
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Install Visual Paradigm
Go over Test #1
Introduce UML
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Activity Diagrams
System Analysis Test #1-Section 1
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Students
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Observe and Document Business
Processes
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Varies from office walkthroughs to performing actual
tasks
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Not necessary to observe all processes at same
level of detail
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May make users nervous, so use common sense
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Can document workflows with UML activity diagrams
Activity Diagram, Models a Workflow
Communication tool
• Visualize process
• Review with users
Shows:
1. User Activities
2. Sequential Flow
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Activity Diagram Symbols (Figure 4-12)
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Draw Activity Diagram:
Attending Course at 9 am
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Get dressed to leave for the lecture.
If there is enough time to catch MARTA, then
take the bus/train; else, get a cab to the
University.
Attend the lecture
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Identify Agents
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Follow Activities through process
3.
Show Flow connects activities with arrows
Activity Diagram for Attend lecture
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Draw Activity Diagram:
Managing Course Info
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Check if course exists
If course is new, proceed to the "Create Course" step
If course exists, check what operation is desired—
whether to modify the course or remove the course
If the modify course operation is selected by the
course administrator, the "Modify Course" activity is
performed
If the remove course operation is selected by the
course administrator, the "Remove Course" activity is
performed
Activity Diagram, Manage course
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For Thursday, February 15
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Continue Reading Chapter 4, Activity
Diagrams
Try to duplicate the diagrams in Visual
Paradigm