[Year 12 SofDev] SD Exam - Question C1c and AQ2

[Kevin Feely]

Hi mark
Yep, happy with that, but during the year have let my kids "define" the 
system so they  decide what is inside and outside, but generally i have 
set rules that what belongs inside must be "processors" - they have a 
role to play in taking input and doing something with it. A secretary 
"files" reports or the workshop manager "calculates" hours worked etc. 
Rodneys Real Estate - a question on DFD's in a reference book is a 
classic where you can get quite a few different results - but all 
justifiably correct.

Also i have a query on AQ2 program development life cycle - i assume B 
is correct, while D and A can quickly be eliminated - no operating or 
solving in key cycle terms. BUT i also regard coding and implementing  
as interchangeable terms ( a view backed up with a quick google) so then 
C also fits.
It would be hard to argue it is WRONG I think

kev


Mark Kelly wrote:
> I have been independently informed by a reliable source that:
>
> 'They provide data to the 'system' rather then process the data so 
> they would be considered entities rather the part of the system.'
>
> Well, bounce on my ballpoint and call me Renaldo.  I've never heard of 
> that condition before.  DFDs seem to be an ever-deepening well of 
> intrigue!
>
> I wonder how many students will get that one right. Bother! I must 
> have missed a memo somewhere...
>
> Thanks, <Mystery advisor>
>
> Mark
>
>

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