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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US">Thanks Paula and Mark<o:p></o:p></span></p>
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<p><strong><font style="FONT-SIZE: 11pt" face="Arial"><font style="FONT-SIZE: 11pt"><font style="FONT-SIZE: 11pt"><font style="FONT-SIZE: 11pt">Ben Hines<br>
</font></font></font></font></strong><font style="FONT-SIZE: 11pt" face="Arial"><font style="FONT-SIZE: 11pt"><font style="FONT-SIZE: 11pt"><font style="FONT-SIZE: 11pt">Mathematics and ICT Teacher<br>
Senior Campus<br>
(03)5241 1577</font></font></font></font></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> sofdev-bounces@edulists.com.au [mailto:sofdev-bounces@edulists.com.au]
<b>On Behalf Of </b>Mark<br>
<b>Sent:</b> Thursday, 7 March 2013 11:33 AM<br>
<b>To:</b> Year 12 Software Development Teachers' Mailing List<br>
<b>Subject:</b> Re: [Year 12 SofDev] Use Case Diagrams - Generalisations?<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Refer to the VCAA Bulletin, #85 Supplement 2, from November 2010. Page 5. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">6. What is the appropriate depth of treatment for<o:p></o:p></p>
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<p class="MsoNormal">use case diagrams?<o:p></o:p></p>
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<p class="MsoNormal">In Unit 3, Software development, Area of Study 1, students are<o:p></o:p></p>
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<p class="MsoNormal">required to use tools and techniques for depicting the interfaces<o:p></o:p></p>
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<p class="MsoNormal">between solutions, users and networks. One mandated<o:p></o:p></p>
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<p class="MsoNormal">technique is use cases created through tools such as Unified<o:p></o:p></p>
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<p class="MsoNormal">Modelling Language (UML). Use cases diagrams identify the<o:p></o:p></p>
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<p class="MsoNormal">interactions between distinct business functions and business<o:p></o:p></p>
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<p class="MsoNormal">users within information systems to achieve a goal.<o:p></o:p></p>
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<p class="MsoNormal">Students are not required to have a detailed knowledge<o:p></o:p></p>
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<p class="MsoNormal">of use cases diagrams, but to gain any real meaning from<o:p></o:p></p>
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<p class="MsoNormal">the technique they need to have knowledge of each of the<o:p></o:p></p>
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<p class="MsoNormal">following elements and how they are symbolically represented.<o:p></o:p></p>
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<p class="MsoNormal">The elements include:<o:p></o:p></p>
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<p class="MsoNormal">• ‘actors’ – the role a business user plays, and the user may<o:p></o:p></p>
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<p class="MsoNormal">play many roles.<o:p></o:p></p>
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<p class="MsoNormal">• ‘use case’ – a business function or scenario, and a use case<o:p></o:p></p>
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<p class="MsoNormal">diagram is made up of a collection of use cases.<o:p></o:p></p>
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<p class="MsoNormal">• ‘associations/communications’ – lines showing the links<o:p></o:p></p>
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<p class="MsoNormal">between a use case and an actor/s. A use case can be<o:p></o:p></p>
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<p class="MsoNormal">carried out by many actors and an actor may carry out<o:p></o:p></p>
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<p class="MsoNormal">many use cases.<o:p></o:p></p>
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<p class="MsoNormal">• ‘includes’ – dotted lines with arrowheads and text with<o:p></o:p></p>
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<p class="MsoNormal">angle brackets <<includes>> showing the links between<o:p></o:p></p>
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<p class="MsoNormal">use cases. Usually it indicates that the functionality of a<o:p></o:p></p>
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<p class="MsoNormal">use case is used in another use case. Generally it is used to<o:p></o:p></p>
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<p class="MsoNormal">avoid repetition of scenarios in multiple use cases.<o:p></o:p></p>
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<p class="MsoNormal">• ‘extends’ – dotted lines, with arrowheads and text with<o:p></o:p></p>
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<p class="MsoNormal">angle brackets <<extends>> showing that the functionality<o:p></o:p></p>
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<p class="MsoNormal">of a use case contributes to (or enhances), the functionality<o:p></o:p></p>
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<p class="MsoNormal">of another use case.<o:p></o:p></p>
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<p class="MsoNormal">• ‘system boundaries’ – defines the limits of the system that<o:p></o:p></p>
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<p class="MsoNormal">the diagram is representing, which means it shows all of<o:p></o:p></p>
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<p class="MsoNormal">the use cases being represented in that system.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><o:p> </o:p></p>
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<p class="MsoNormal">On 7 March 2013 09:54, Ben Hines <<a href="mailto:b.hines@ccg.vic.edu.au" target="_blank">b.hines@ccg.vic.edu.au</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I can’t find anywhere where it says that in the Study Design?</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">This is the line that relates to UCD’s</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<span style="font-size:11.0pt;font-family:"TimesNewRomanPSMT","serif"">tools and techniques for depicting the interfaces between solutions, users and the network, including</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"TimesNewRomanPSMT","serif"">use cases, via the Unified Modelling Language</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"TimesNewRomanPSMT","serif""> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"TimesNewRomanPSMT","serif""> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p><strong><span style="font-size:11.0pt;font-family:"Arial","sans-serif";color:maroon">Ben Hines</span></strong><b><span style="font-size:11.0pt;font-family:"Arial","sans-serif";color:maroon"><br>
</span></b><span style="font-size:11.0pt;font-family:"Arial","sans-serif";color:maroon">Mathematics and ICT Teacher<br>
Senior Campus<br>
(03)5241 1577</span><span style="font-family:"Calibri","sans-serif";color:maroon"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><o:p> </o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">
<a href="mailto:sofdev-bounces@edulists.com.au" target="_blank">sofdev-bounces@edulists.com.au</a> [mailto:<a href="mailto:sofdev-bounces@edulists.com.au" target="_blank">sofdev-bounces@edulists.com.au</a>]
<b>On Behalf Of </b>Mark<br>
<b>Sent:</b> Wednesday, 6 March 2013 7:31 PM<br>
<b>To:</b> Year 12 Software Development Teachers' Mailing List<br>
<b>Subject:</b> Re: [Year 12 SofDev] Use Case Diagrams - Generalisations?</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hi Ben. Generalisations are not required key knowledge for SD.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><o:p> </o:p></p>
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<p class="MsoNormal">--<o:p></o:p></p>
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<p class="MsoNormal">Mark Kelly<o:p></o:p></p>
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<p class="MsoNormal">mark AT vceit DOT com<o:p></o:p></p>
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<p class="MsoNormal"><a href="http://vceit.com" target="_blank">http://vceit.com</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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