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</o:shapelayout></xml><![endif]--></head><body lang=EN-AU link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Re UCD. I would have the customer slightly more involved than James (MacKillop) suggests. See the attached UCD I made for the Rivers Window Tinting example. I’m making some assumptions about your system but I assume the customer must contact the receptionist to request tickets in the first place and, of course, print and/or receive tickets. Therefore I would definitely include the customer as an UC actor (but then, I have been known to be wrong occasionally).<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Again making assumptions, but I don’t see any way the thespians can be Use Case ‘actors’.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><img width=194 height=86 id="Picture_x0020_2" src="cid:image001.png@01CD1CA0.FDC3B8E0" alt="Description: signiture"><o:p></o:p></span></b></p><p class=MsoNormal><b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>"It is the tragedy of the world that no one knows what he doesn't know - and the less a man knows, the more sure he is that he knows everything" </span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Joyce Cary.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Michael Wooldridge<o:p></o:p></span></b></p><p class=MsoNormal><span lang=EN-US style='font-family:"Calibri","sans-serif";color:#4F6228'>Information Technology Coordinator<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:8.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Mornington Secondary College<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:8.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>1051 Nepean Highway, Mornington 3931<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:8.0pt;font-family:Wingdings;color:#1F497D'>(</span><span lang=EN-US style='font-size:8.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>: 03 59700250 </span><span lang=EN-US style='font-size:8.0pt;font-family:"Wingdings 2";color:#1F497D'>6</span><span lang=EN-US style='font-size:8.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>: 03 59700299<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:8.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="mailto:mwo@mornsc.vic.edu.au">mwo@mornsc.vic.edu.au</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:9.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Important - </span></b><span style='font-size:9.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>This email and any attachments may be confidential. If received in error, please contact us and delete all copies. Before opening or using attachments check them for viruses and defects. Regardless of any loss, damage or consequence, whether caused by the negligence of the sender or not, resulting directly or indirectly from the use of any attached files our liability is limited to resupplying any affected attachments. Any representations or opinions expressed are those of the individual sender, and not necessarily those of the Department of Education and Early Childhood Development. There, that just about covers everyone's arse but yours, sorry.<o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> sofdev-bounces@edulists.com.au [mailto:sofdev-bounces@edulists.com.au] <b>On Behalf Of </b>Claudia Graham<br><b>Sent:</b> Tuesday, 17 April 2012 11:15 AM<br><b>To:</b> Year 12 Software Development Teachers' Mailing List<br><b>Subject:</b> Re: [Year 12 SofDev] Use Case Questions<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Morning,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I’m marking my UCD at the moment, with students producing quite an array of options.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>However, could those that have more expertise in UCD then me confirm some details for me.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I have a scenario that has customers and actors (part of a theatre group) but all data entry is done by two ‘receptionists’ within the organisation.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>In a DFD the customer and actor are entities (even if they don’t enter the data) – however, am I correct that in the UCD the customers and actors (I know I should have used ‘thespians’ to avoid confusion!) will not be on the UCD only the receptionist as that is the role that is being performed? <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Claudia<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial Black","sans-serif";color:maroon'>*********************************************************************</span><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial Black","sans-serif";color:maroon'>Claudia Graham</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial Black","sans-serif";color:maroon'>VCE Coordinator</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial Black","sans-serif";color:maroon'>9334 0049 (direct)</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <a href="mailto:sofdev-bounces@edulists.com.au">sofdev-bounces@edulists.com.au</a> <a href="mailto:[mailto:sofdev-bounces@edulists.com.au]">[mailto:sofdev-bounces@edulists.com.au]</a> <b>On Behalf Of </b>Mark KELLY<br><b>Sent:</b> Sunday, 15 April 2012 11:06 AM<br><b>To:</b> Year 12 Software Development Teachers' Mailing List<br><b>Subject:</b> Re: [Year 12 SofDev] Use Case Questions<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>Hi Nick. Use cases are relatively new to SD so there's not really an established understanding of our 'rules' for them, unlike (say) DFDs which have been on the course and in exams for quite some time.<br><br>1. I would include printing the invoice as a system functional requirement. After all, if the system does not generate the invoice, who does? If it must be generated as part of the system's functionality, it should be in the UCD. Putting invoices into a tray, on the other hand, is not something the software is expected to do - unless robots are part of the system.<br><br>2. How far you go separating use cases into separate <<includes >> is a matter of judgement, I think. You have to use common sense to ask "Is this functional requirement a significant discrete action or is it a trivial part of a larger use case (e.g. "Print the heading on the invoice"). <<Extends>> are different because they are conditional, and if they are not always carried out, they can't be lumped in with other activities that are always carried out.<br><br>I give my kids latitude in their interpretation of how a UCD is built - it's a bit of an art form, I think. As long as the functional requirements are really CLEAR, I give my kids credit. The main role of a UCD is to be comprehensive and easy to understand.<br><br>At least that's what I reckon.<br><br>Regards<br>Mark<o:p></o:p></p><div><p class=MsoNormal>On 14 April 2012 22:53, Stebbing, Nicholas N <<a href="mailto:stebbing.nicholas.n@edumail.vic.gov.au">stebbing.nicholas.n@edumail.vic.gov.au</a>> wrote:<o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi all,<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> I’ve spent much of today going through the archives of this list trying to glean as much info as I can about use case diagrams and Outcome 1 in general. I have to say this list is outstanding, the knowledge and resources shared is awesome.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> I am left with some questions about use case diagrams to help me assessing SAC 1…<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p>1.<span style='font-size:7.0pt'> </span>Should things like “Printing invoice” and “Place printout in tray” be considered as use cases to go on a UCD?<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'>(I’ve been telling my students no because they are not important functions of the system. They can be thought of as steps that are taken to complete the functions. Is this right? Could I be explaining it better?)<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'> <o:p></o:p></p><p>2.<span style='font-size:7.0pt'> </span>Many of my students have linked all of the different use cases up into a tangled web of includes and extends. At what point should they be separated?<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'>(I’ve been thinking about this and have a couple of ideas. Firstly it seems that if an actor is associated with a use case then we can assume they are associated with any use cases that extend from or are included in it. So one point at which we need to separate cases is when one use case could be considered to extend from another but is performed by a different actor. For example if one person prepares an invoice but another person prints it they would have to be entirely separate use cases. Does this sound right?)<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thanks in anticipation of any advice,<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Nick Stebbing<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>ICT Teacher<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Bayside P-12 College<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><p><b>Important - </b>This email and any attachments may be confidential. If received in error, please contact us and delete all copies. Before opening or using attachments check them for viruses and defects. Regardless of any loss, damage or consequence, whether caused by the negligence of the sender or not, resulting directly or indirectly from the use of any attached files our liability is limited to resupplying any affected attachments. Any representations or opinions expressed are those of the individual sender, and not necessarily those of the Department of Education and Early Childhood Development.<o:p></o:p></p></div><p class=MsoNormal><br>_______________________________________________<br><a href="http://www.edulists.com.au" target="_blank">http://www.edulists.com.au</a> - FAQ, Subscribe, Unsubscribe<br>IT Software Development Mailing List kindly supported by<br><a href="http://www.vcaa.vic.edu.au" target="_blank">http://www.vcaa.vic.edu.au</a> - Victorian Curriculum and Assessment Authority and<br><a href="http://www.vcaa.vic.edu.au/vce/studies/infotech/softwaredevel3-4.html" target="_blank">http://www.vcaa.vic.edu.au/vce/studies/infotech/softwaredevel3-4.html</a><br><a href="http://www.vitta.org.au" target="_blank">http://www.vitta.org.au</a> - VITTA Victorian Information Technology Teachers Association Inc<br><a href="http://www.swinburne.edu.au/ict/schools" target="_blank">http://www.swinburne.edu.au/ict/schools</a> - Swinburne University<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'><br><br clear=all><br>-- <br>Mark Kelly<br>Manager of ICT, Reporting, IT Learning Area<br>McKinnon Secondary College<br>McKinnon Rd McKinnon 3204, Victoria, Australia<br>Direct line / Voicemail: +613 8520 9085, Fax +613 9578 9253<br><a href="mailto:kel@mckinnonsc.vic.edu.au" target="_blank">kel@mckinnonsc.vic.edu.au</a><br>VCE IT Lecture Notes: <a href="http://vceit.com" target="_blank">http://vceit.com</a><br>Moderator: <a href="http://www.edulists.com.au/" target="_blank">IT Applications Edulist</a><br><br>--<br>An E-flat, a C, and a G go into a bar. 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