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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Would you need to reset the Counter before starting the second loop?<o:p></o:p></span></p>
<p class="MsoNormal"><a name="_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></a></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"> sofdev-bounces@edulists.com.au
[mailto:sofdev-bounces@edulists.com.au] <b>On Behalf Of </b>Brett Groves<br>
<b>Sent:</b> Wednesday, 25 May 2011 11:43 AM<br>
<b>To:</b> Year 12 Software Development Teachers' Mailing List<br>
<b>Subject:</b> [Year 12 SofDev] Help needed<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi all,<br>
<br>
Wondering if some kind soul who is good with desk checks / pseudo code can help me out here. We are about to commence OC2 (running a week late) and I have given my students some algorithms to evaluate for revision. On one in particular I realised I made an
error of logic when evaluatiing it myself and have now confused my self to point of frustration. It's the one below. It has two count loops which it uses to select data in an array but they both have identical conditions. As I am currently reading it values
will never be passed to the second loop as the evaluation condition that ends the first loop will also end the second???? Scratches head......sure I'm failing to see obvious! Can anyone help pls<br>
<br>
Brett<o:p></o:p></p>
<p style="margin-bottom:0cm;margin-bottom:.0001pt"><b><span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">Question 12:</span></b><span lang="EN-US"><o:p></o:p></span></p>
<p style="margin-bottom:0cm;margin-bottom:.0001pt"><span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">The following diagram shows the contents of an array of records used for mixing colours.</span><span lang="EN-US"><o:p></o:p></span></p>
<p style="margin-bottom:0cm;margin-bottom:.0001pt"><span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">The name of the array is ‘COLOUR’.</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Garamond","serif"">The algorithm below is used to calculate colour values, using an array.</span>
<o:p></o:p></p>
<p style="margin-bottom:0cm;margin-bottom:.0001pt"><span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">BEGIN</span><span lang="EN-US"><o:p></o:p></span></p>
<p style="margin-bottom:0cm;margin-bottom:.0001pt;text-indent:36.0pt"><span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">SET TOTAL TO 0</span><span lang="EN-US"><o:p></o:p></span></p>
<p style="margin-bottom:0cm;margin-bottom:.0001pt;text-indent:36.0pt"><span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">SET COUNTER TO 1</span><span lang="EN-US"><o:p></o:p></span></p>
<p style="margin-bottom:0cm;margin-bottom:.0001pt;text-indent:36.0pt"><span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">WHILE COUNTER < 4</span><span lang="EN-US"><o:p></o:p></span></p>
<p style="mso-margin-top-alt:5.0pt;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt;text-indent:36.0pt">
<span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">TOTAL = TOTAL + COLOUR [COUNTER] . GREENVALUE</span><span lang="EN-US"><o:p></o:p></span></p>
<p style="mso-margin-top-alt:5.0pt;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt;text-indent:36.0pt">
<span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">ADD 1 TO COUNTER</span><span lang="EN-US"><o:p></o:p></span></p>
<p style="margin-bottom:0cm;margin-bottom:.0001pt;text-indent:36.0pt"><span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">ENDWHILE</span><span lang="EN-US"><o:p></o:p></span></p>
<p style="margin-bottom:0cm;margin-bottom:.0001pt;text-indent:36.0pt"><span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">WHILE COUNTER < 4</span><span lang="EN-US"><o:p></o:p></span></p>
<p style="mso-margin-top-alt:5.0pt;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt;text-indent:36.0pt">
<span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">TOTAL = TOTAL + COLOUR [COUNTER] . REDVALUE</span><span lang="EN-US"><o:p></o:p></span></p>
<p style="mso-margin-top-alt:5.0pt;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt;text-indent:36.0pt">
<span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">ADD 1 TO COUNTER</span><span lang="EN-US"><o:p></o:p></span></p>
<p style="margin-bottom:0cm;margin-bottom:.0001pt;text-indent:36.0pt"><span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">ENDWHILE</span><span lang="EN-US"><o:p></o:p></span></p>
<p style="margin-bottom:0cm;margin-bottom:.0001pt"><span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">PRINT TOTAL</span><span lang="EN-US"><o:p></o:p></span></p>
<p style="margin-bottom:0cm;margin-bottom:.0001pt"><span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">END</span><span lang="EN-US"><o:p></o:p></span></p>
<p style="margin-bottom:0cm;margin-bottom:.0001pt"><span lang="EN-US"><o:p> </o:p></span></p>
<p style="margin-bottom:0cm;margin-bottom:.0001pt"><span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">What will be the output of this algorithm?</span><span lang="EN-US"><o:p></o:p></span></p>
<p style="margin-bottom:0cm;margin-bottom:.0001pt"><span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">(A) 10</span><span lang="EN-US"><o:p></o:p></span></p>
<p style="margin-bottom:0cm;margin-bottom:.0001pt"><span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">(B) 11</span><span lang="EN-US"><o:p></o:p></span></p>
<p style="margin-bottom:0cm;margin-bottom:.0001pt"><span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">(C) 18</span><span lang="EN-US"><o:p></o:p></span></p>
<p style="margin-bottom:0cm;margin-bottom:.0001pt"><span lang="EN-US" style="font-size:7.5pt;font-family:"Garamond","serif"">(D) 25</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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