[Year 12 SofDev] Oliver's Mexican Cantina

[Mark KELLY]

Hi Robert. Yes, I started expanding the CD into a DFD and sent the hybrid
pic by mistake.  You're right. The data store should not appear in a CD.

On 28 July 2011 17:40, Timmer-Arends <timmer at melbpc.org.au> wrote:

> **
> Hello all
>
> just a small point: if the diagram below is a CONTEXT diagram then there
> should be NO data store shown. It's either part of the system under
> consideration, in which case it is inside the circle and not shown, or, it
> is a source/sink of data for the system in which case it is shown as a box.
>
> Regards
> Robert T-A
>
> ----- Original Message -----
> *From:* Allan Barnes <abarnes at aiet.com.au>
> *To:* 'Year 12 Software Development Teachers' Mailing List'<sofdev at edulists.com.au>
> *Sent:* Thursday, July 28, 2011 2:03 PM
> *Subject:* Re: [Year 12 SofDev] Oliver's Mexican Cantina
>
>  Hi Mark****
>
> ** **
>
> To my thinking the second terminator is the kitchen display and not the
> software itself. This is because (IMHO) the software is the method of
> transmitting the text file containing the order whereas the kitchen display
> is if you like the end user. Happy to be shot down in flames though. My 1c
> worth.****
>
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> Kind regards****
>
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>
> Allan Barnes, CEO****
>
> Australian Institute of Education and Training****
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> *From:* sofdev-bounces at edulists.com.au [mailto:
> sofdev-bounces at edulists.com.au] *On Behalf Of *Mark KELLY
> *Sent:* Thursday, 28 July 2011 1:43 PM
> *To:* Year 12 Software Development Teachers' Mailing List
> *Subject:* [Year 12 SofDev] Oliver's Mexican Cantina****
>
> ** **
>
> Hi all. I'm playing with an SRS based on the Cantina (study design p.84).
>
> I've got to the context diagram, and I've attached a first draft.  I'm not
> 100% of a couple of things:
>
> 1. I have excluded the customers as an external entity since they don't
> interact with the system: the waiter does.
>
> 2. I included the transmission software as an external entity since it
> takes the text file from the ordering software.  But if the text file is
> saved should it then be considered outside of the system rather than an
> active data store within the system?  In that case, the transmission
> software should not be included at all.
>
> Any ideas?
>
> Cheers
> Mark
>
> --
> Mark Kelly
> Manager of ICT, Reporting, IT Learning Area
> McKinnon Secondary College
> McKinnon Rd McKinnon 3204, Victoria, Australia
> Direct line / Voicemail: +613 8520 9085, Fax +613 9578 9253
> kel at mckinnonsc.vic.edu.au
> VCE IT Lecture Notes: http://vceit.com
> Moderator: IT Applications Edulist <http://www.edulists.com.au/>
>
> Want a good time? Call 0112358. Ask for Mr Fibonacci.****
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-- 
Mark Kelly
Manager of ICT, Reporting, IT Learning Area
McKinnon Secondary College
McKinnon Rd McKinnon 3204, Victoria, Australia
Direct line / Voicemail: +613 8520 9085, Fax +613 9578 9253
kel at mckinnonsc.vic.edu.au
VCE IT Lecture Notes: http://vceit.com
Moderator: IT Applications Edulist <http://www.edulists.com.au/>

Want a good time? Call 0112358. Ask for Mr Fibonacci.
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