[Year 12 SofDev] sofdev Digest, Vol 144, Issue 19

Sun Mar 19 16:28:06 AEDT 2017

Good afternoon all,

I wasn't at the SAT day this year, but my interpretation was that the UCD and DFD etc are of the proposed system. You're analysing what the need is.
If you draw a UCD of an existing system, how does this feed into the design? You'd be designing for the existing system, not the new. Certainly, if there is an existing system, you'd use that for some of your analysis, but I would have thought that the diagrams you produce would be showing how to improve on the deficiencies of the existing system.

Regards,

Chris

From: sofdev-bounces at edulists.com.au [mailto:sofdev-bounces at edulists.com.au] On Behalf Of Tony Crewe
Sent: Sunday, 19 March 2017 4:08 PM
To: sofdev at edulists.com.au
Subject: Re: [Year 12 SofDev] sofdev Digest, Vol 144, Issue 19

James, Good to open up discussion, I must have missed discussion at SAT training day about, I would like further clarification from vcaa as well.

I had students complete tasks without existing systems.

For example one student created a heat map (and stored data) from multiple mouse clicks on a screen over time with had no existing system, manual or otherwise.

Tony

________________________________
From: sofdev-bounces at edulists.com.au <sofdev-bounces at edulists.com.au> on behalf of Vella, James <jvella at mackillop.vic.edu.au>
Sent: Sunday, 19 March 2017 3:55 PM
To: sofdev at edulists.com.au
Subject: Re: [Year 12 SofDev] sofdev Digest, Vol 144, Issue 19

The glossary, as you've pointed out Tony, talks about breaking down the problem and providing input to the design stage.

As I said earlier, almost every need or opportunity will have some existing manual process or previous system in place.

If I'm not mistaken, this has also been tackled at the SAT PD days and it was stated that it was the existing system - I might be wrong so happy for the Phil, Paula or any others to add their 2c.

JV

James Vella
Digital Technologies Learning Area Leader eLearning Leader
MacKillop College
Russell Street Werribee VIC 3030

T:  +61387345200
F:  +61387345261

http://www.mackillop.vic.edu.au

Please consider the environment before printing.-----Original Message-----

Today's Topics:

   1. Diagrams in the SRS - of which system? (Vella, James)
   2. Re: Diagrams in the SRS - of which system? (Tony Crewe)
   3. Re: Diagrams in the SRS - of which system? (Tony Crewe)

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Message: 1
Date: Sun, 19 Mar 2017 03:49:16 +0000
From: "Vella, James" <jvella at mackillop.vic.edu.au>
Subject: [Year 12 SofDev] Diagrams in the SRS - of which system?
To: "sofdev at edulists.com.au" <sofdev at edulists.com.au>
Message-ID: <1489895357266.67251 at mackillop.vic.edu.au>
Content-Type: text/plain; charset="iso-8859-1"

The diagrams should be of the existing system or process.

Regardless of whether students are looking to meet a need or opportunity, there is almost always some existing system or manual process in place.

The SRS is part of the Analysis stage - not the Design stage.

Regards

James
------------------------------

Message: 2
Date: Sun, 19 Mar 2017 04:10:42 +0000
From: Tony Crewe <TonyCrewe at caulfieldgs.vic.edu.au>

James

Not sure about that James,

There may not be any existing system in a need or opportunity.
Can't the analysis can be of the desired need or opportunity.
That is, the SRS would be analysing the requirements, processes and flow of data of the need of opportunity?

Tony

Message: 3
Date: Sun, 19 Mar 2017 04:16:25 +0000
From: Tony Crewe <TonyCrewe at caulfieldgs.vic.edu.au>
Subject: Re: [Year 12 SofDev] Diagrams in the SRS - of which system?
To: "Year 12 Software Development Teachers' Mailing List"
<sofdev at edulists.com.au>
Message-ID:
<8DEAD080-92D1-4BF7-BF21-8152BA272690 at caulfieldgs.vic.edu.au>
Content-Type: text/plain; charset="us-ascii"

James

The Glossary definition says nothing specifically of an exisiting system, but breaking down a problem ... description of the intended purpose ... of solution.

"Software requirements specification is a comprehensive description of the intended purpose and environment for purpose-designed software solutions. It documents the key activities associated with the analysing stage of the problem-solving methodology.
Software requirements specifications (SRS) fulfil the purposes of breaking down a problem into component parts, providing input to the design stage and serving as a reference point for further stages of the problem-solving methodology."

Tony

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