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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='color:#1F497D'>Hi Gordon,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> I am with you on this question.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> This very point about the state of the stack is what gets me and every one of my programmer and lecturer friends scratching our heads.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Once a stack is popped ( this can be demonstrated with a few short segments of code in PHP, C#, C++ ) any attempt to access the popped location leads to either garbage or undefined or no value being returned from the element.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>This clearly demonstrates that for stack data structures that are built in to a programming language <o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='color:#1F497D'><span style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>Elements are not stored contiguously in memory<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='color:#1F497D'><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>Elements are not retained once popped<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='color:#1F497D'><span style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>There is no overwriting of a popped element by a new Push<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>It seems a manual deliberate implementation with a quirky Pop method is the only way to duplicate the scenarios presented in both the practice and final exams. Whilst possible to do, it does not reflect what happens when programming.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Kindest Regards<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='color:#1F497D'>Kevork Krozian<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Edulists Creator Administrator<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>www.edulists.com.au<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>tel: 0419 356 034<o:p></o:p></span></p></div><p class=MsoNormal><span style='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>Poultney, Gordon A<br><b>Sent:</b> Friday, 18 November 2011 8:41 AM<br><b>To:</b> Year 12 Software Development Teachers' Mailing List<br><b>Subject:</b> Re: [Year 12 SofDev] MC<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>Heath,<br><br>I saw your comment and realised I must not have replied to the list yesterday?<br><br>I was nitpicking about A-18<br><br>"re: Q 18, D is clearly the best answer. <br><br>But I would have thought that the 'pop' removes reference to that location, while leaving '10' in memory, but not in the stack as such. 10 is no longer 'there' in stack. Maybe just nitpicking on my part Damien! <br>At least there were 3 clearly incorrect answers.<br><br>Pretty good exam for Part A and B. <br><br>I still haven't read the case study through, but C-3 is a little awkward. I wouldn't link functional reqs. with a context diagram that only shows data flows - perhaps a DFD was intended here?"<br><br>cheers<br> gordon<o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'><o:p> </o:p></span></p><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>-----------<br>Gordon Poultney<br>Horsham College</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'><o:p></o:p></span></p></div></div><div><div class=MsoNormal align=center style='text-align:center'><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:black'><hr size=2 width="100%" align=center></span></div><div id=divRpF274225><p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> sofdev-bounces@edulists.com.au [sofdev-bounces@edulists.com.au] on behalf of Matheson, Heath A [Matheson.Heath.A@edumail.vic.gov.au]<br><b>Sent:</b> Thursday, 17 November 2011 11:39 PM<br><b>To:</b> Year 12 Software Development Teachers' Mailing List<br><b>Subject:</b> Re: [Year 12 SofDev] MC</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:black'><o:p></o:p></span></p></div><div><div><p class=MsoNormal><span style='color:#1F497D'>Hi guys,</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I agree with Juliana’s solutions, except I think in your description of Q12 that B and D are non-functional requirements since they don’t affect the data inputs and outputs of the program. I don’t think we’re told any of the functional requirements for this scenario. I think Michelle needs to interview the bank manager for them. </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>For question 13, I’m 90% confident you always complete internal documentation while you are coding and this would be before testing which only leaves option B. A is incorrect as the only time you interview is in the analysis and evaluation phases and the question states analysis is complete. </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I had to think about Question 20. I think is a bit of a “horses for courses” question between A and B. Some people like scrolling while some people are really good at zooming in on images with index finger and thumb and could click a map. This would be particularly useful if you were looking different countries in a region, but a problem if you don’t know where the country is located. So I think the scrollable list, still works well on the iPod. Matching characters would be difficult if there was a spelling error or you enter a city instead of a country (Someone asked me today if Dubai was a county).</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I’m interested to see what error Gordon has spotted. </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Heath Matheson</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Mount Beauty Secondary College. </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>PS – I have more in my IT class next year than my biology class. First time for everything.</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> </span><span style='color:black'><o:p></o:p></span></p><div><div style='border:none;border-top:solid windowtext 1.0pt;padding:3.0pt 0cm 0cm 0cm;border-color:-moz-use-text-color -moz-use-text-color;-moz-border-top-colors: none;-moz-border-right-colors: none;-moz-border-bottom-colors: none;-moz-border-left-colors: none;-moz-border-image: none'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> sofdev-bounces@edulists.com.au [mailto:sofdev-bounces@edulists.com.au] <b>On Behalf Of </b>Pang, Juliana C<br><b>Sent:</b> Thursday, 17 November 2011 6:06 PM<br><b>To:</b> Year 12 Software Development Teachers' Mailing List<br><b>Subject:</b> Re: [Year 12 SofDev] MC</span><span style='color:black'><o:p></o:p></span></p></div></div><p class=MsoNormal><span style='color:black'> <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>This is just my opinion for question 12.</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> </span><span style='color:black'><o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt'><span style='color:#1F497D'>A.</span><span style='font-size:7.0pt;font-family:"Times New Roman","serif";color:#1F497D'> </span><span style='color:#1F497D'>The bank does not want her to add extra functions (so this defines the boundary of the solution) </span><span style='color:black'><o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt'><span style='color:#1F497D'>B.</span><span style='font-size:7.0pt;font-family:"Times New Roman","serif";color:#1F497D'> </span><span style='color:#1F497D'>The program will be made available via the bank’s website (functional requirement) </span><span style='color:black'><o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt'><span style='color:#1F497D'>C.</span><span style='font-size:7.0pt;font-family:"Times New Roman","serif";color:#1F497D'> </span><span style='color:#1F497D'>The bank is only small and does not require a complex program (silly response) </span><span style='color:black'><o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt'><span style='color:#1F497D'>D.</span><span style='font-size:7.0pt;font-family:"Times New Roman","serif";color:#1F497D'> </span><span style='color:#1F497D'>The program must cater for visually impaired people and people with normal vision (functional requirement)</span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>So I think A. </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> </span><span style='color:black'><o:p></o:p></span></p><div><div style='border:none;border-top:solid windowtext 1.0pt;padding:3.0pt 0cm 0cm 0cm;border-color:-moz-use-text-color -moz-use-text-color;-moz-border-top-colors: none;-moz-border-right-colors: none;-moz-border-bottom-colors: none;-moz-border-left-colors: none;-moz-border-image: none'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> sofdev-bounces@edulists.com.au [mailto:sofdev-bounces@edulists.com.au] <b>On Behalf Of </b>El Tabbal, Riad R<br><b>Sent:</b> Thursday, 17 November 2011 5:57 PM<br><b>To:</b> sofdev@edulists.com.au<br><b>Subject:</b> [Year 12 SofDev] MC</span><span style='color:black'><o:p></o:p></span></p></div></div><p class=MsoNormal><span style='color:black'> <o:p></o:p></span></p><p class=MsoNormal><span style='color:black'>For Q12, the manager specified that the program must cater for visually impaired people as well as people with normal vision. What do you think?<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'> <o:p></o:p></span></p><p class=MsoNormal><b><span style='color:black'>Kind regards,</span></b><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><b><span style='color:black'>Riad El Tabbal</span></b><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><b><span style='color:black'>Math/IT Teacher</span></b><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><b><span style='color:gray'>Copperfield College</span></b><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><b><span style='color:gray'>Delahey Campus</span></b><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><b><span style='color:#A6A6A6'>03 9307 5555</span></b><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:black'><img width=132 height=43 id="Picture_x0020_1" src="cid:image001.jpg@01CCA8E7.1B851500" alt="cid:image001.jpg@01CC9B07.C35D26C0"></span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:black'> </span><span style='color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='color:black'> <o:p></o:p></span></p><p><b><span style='color:black'>Important - </span></b><span style='color:black'>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></span></p><p><b><span style='color:black'>Important - </span></b><span style='color:black'>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></span></p></div><p><b><span style='color:black'>Important - </span></b><span style='color:black'>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></span></p></div></div></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></body></html>