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<p class="MsoNormal">Hi fellow SD teachers,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">One of my more conscientious students noticed this in the 2016 and 2017 VCAA SD papers during revision and I thought I should get some clarification:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">2016 Multiple Choice question 18:<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">A data flow diagram can be used as a tool when designing software. Data flow diagrams must always show
<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:72.0pt">A. the decisions that are made when sub-modules are called.<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:72.0pt">B. the sequence of tasks involved in completing a project.
<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt;text-indent:36.0pt">C. where data originates and where it is stored.
<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt;text-indent:36.0pt"><b><span style="color:#C00000">D. the specific data flows between processes.<o:p></o:p></span></b></p>
<p class="MsoNormal" style="margin-left:36.0pt"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">The answer in the Examiners report is
<b>D</b>.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">2017 Multiple choice question 8<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">The purpose of a data flow diagram is to display
<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:72.0pt">A. the organisation of data in storage.
<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:72.0pt"><b><span style="color:#C00000">B. where data originates and where it is stored.
<o:p></o:p></span></b></p>
<p class="MsoNormal" style="margin-left:72.0pt">C. the sequence of tasks involved in completing a project.
<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:72.0pt">D. the order in which the processes within a system occur<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> The answer in the Examiners report is <b>B</b>.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">In the 2016 paper, option C has the EXACT same text as option B in 2017, however it was not the answer.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The examiners report made a note on question 8 for the 2017–
<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:36.0pt"><i>significant number of students confused the purpose of a data flow diagram. The purpose of a data flow diagram is to
<b>display where data originates and where it is stored</b>. <o:p></o:p></i></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Based on this information, I should be telling the students to follow the description in the examiner’s report, correct?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-AU">Michael Cooper<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-AU">ICT Coordinator & Network Support<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-AU"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-AU"><img width="175" height="56" style="width:1.8229in;height:.5833in" id="Picture_x0020_1" src="cid:image001.png@01D58FED.590D1B70" alt="BSC Logo"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-AU"><a href="http://braybrooksc.vic.edu.au/">braybrooksc.vic.edu.au</a><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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