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Summary System Analysis Summaries
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System Analysis Summaries touching every topic of the SAND textbook. The documentation goes into detail explaining everything as well as displays pictures.

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  • June 21, 2024
  • 10
  • 2023/2024
  • Summary

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LEARNING UNIT 2: CHAPTER 3

IDENTIFYING USER STORIES AND USER CASES


USER STORIES
 A user story is one – sentence description of a work-related task done by a user to achieve
some goal or result
 Acceptance Criteria identify the features that must be present at the completion of the task
 To identify a user story description read it as follows:
o “As a <role> I want to <goal> so that <benefit>



SAMPLE USER STORY




CONVERT USER STORY TO USE CASES

Use case

An activityUse
thatcases
the system
define performs,
functional usually in response
requirements – theto a request
F in FURPS by a user



Analysts decompose the system into a set of use cases (functional decomposition)

, Two techniques for identifying use cases

 User goal technique
 Event decomposition technique




Name each use case using Verb - Noun




#1 – USER GOAL TECHNIQUE
 This technique is the most common in industry
 Simple and effective



1. Identify all the potential categories of users of the system
2. Interview and ask them to describe the tasks the computer can help them with
3. Probe further to refine the tasks into specific user goals, “ I need to Ship items, Track a
shipment, Create a return”



USER GOAL TECHNIQUE SOME RMO CSMS USER AND GOALS




USER GOAL TECHNIQUE: SPECIFIC STEPS
1. Identify all the potential users for the new system
2. Classify the potential users in terms of their functional role (e.g., shipping, marketing, sales)

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