[Year 12 IT Apps] Quick Quiz - Decision trees

Tue Apr 8 09:42:59 EST 2008

Thanks, Litsa.  That text also wants to put decision trees in the 
analysis phase.  Goodo!

Litsa Tzelepis wrote:
> hi mark, not sure if this will help:
> 
> http://books.google.com.au/books?id=_8nxa_xrdmgC&pg=PA14&lpg=PA14&dq=decision+trees+logical&source=web&ots=MRIULS3ICO&sig=oxl_TSz2RIvxruODWbpTwqX3C5Y&hl=en#PPA14,M1 
> 
> 
> litsa
> 
> 
> 
> ----- Original Message ----- From: "Mark Kelly" <kel at mckinnonsc.vic.edu.au>
> To: "Year 12 IT Applications Teachers' Mailing List" 
> <itapps at edulists.com.au>
> Sent: Tuesday, April 08, 2008 8:31 AM
> Subject: Re: [Year 12 IT Apps] Quick Quiz - Decision trees
> 
> 
>> Thanks, Andrew and Robert.  I Googled for "Logical design tools" and 
>> it came up with zilch.  It seems to be a concept unique to VCE IT  :-)
>>
>> On a similar note, the accepted industry SDLC seems to be rather at 
>> odds with the one in our study design - for example, "feasibility 
>> study" usually appears as a separate initial step, and "maintenance" 
>> is usually the last step.
>>
>> I occasionally get this nagging feeling that we're playing in a theory 
>> world that doesn't quite match the reality of industry.
>>
>> Timmer-Arends wrote:
>>> Hello Mark
>>>
>>> all of the below plus DeMarco considered decision trees/tables to be 
>>> one way of specifying the actual process of a dfd 'process bubble' 
>>> (ie, once you've unpacked all of the system to the lowest level of 
>>> the dfd, you then have to specify what processing actually takes 
>>> place, or is to take place, to transform the input to output - he 
>>> called them minispecs). Therefore logical design tool is probably the 
>>> best classification.
>>>
>>> Regards
>>> Robert T-A
>>>
>>> ----- Original Message ----- From: "WEIR Andrew" 
>>> <andrew.weir at thomascarr.vic.edu.au>
>>> To: "Year 12 IT Applications Teachers' Mailing List" 
>>> <itapps at edulists.com.au>
>>> Sent: Monday, April 07, 2008 1:26 PM
>>> Subject: RE: [Year 12 IT Apps] Quick Quiz - Decision trees
>>>
>>>
>>> Mark
>>> To me logical is what helps to make the decision clearer. I.e. how is
>>> information flowing not what the information is flowing through.
>>>
>>> A physical tool is about what is required. What devices.
>>>
>>> I.e. the decisions about the house I want to build VS the physical plans
>>> and wiring?
>>>
>>> So I would go with logical design.
>>> (but happy to be proven wrong)
>>>
>>> Regards
>>>
>>>
>>>
>>> Andrew Weir
>>>
>>> Information Technology Co-ordinator
>>>
>>>
>>>
>>> Thomas Carr College
>>>
>>> 35 Thomas Carr Drive,
>>>
>>> Tarneit, VIC 3029
>>>
>>> (P) (03) 8734 2566
>>>
>>> (F) (03) 9748 4388
>>>
>>> (E) andrew.weir at thomascarr.vic.edu.au
>>>
>>>
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>>>
>>> -----Original Message-----
>>> From: itapps-bounces at edulists.com.au
>>> [mailto:itapps-bounces at edulists.com.au] On Behalf Of Mark Kelly
>>> Sent: Monday, 7 April 2008 1:08 PM
>>> To: Year 12 IT Applications Teachers' Mailing List
>>> Subject: [Year 12 IT Apps] Quick Quiz - Decision trees
>>>
>>> Would you clever people categorise a decision tree as a logical or
>>> physical design tool?
>>>
>>> It seems to me to be the former since it's formulating the desired
>>> behaviour of equipment but is not trying to set out how the behaviour
>>> will be carried out or how the system will be built.
>>>
>>> Cheers
>>> Mark
>>>
>>> -- 
>>> Mark Kelly
>>> Manager - Information Systems
>>> McKinnon Secondary College
>>> kel AT mckinnonsc.vic.edu.au
>>> McKinnon Rd, McKinnon 3204, Victoria, Australia Direct line / Voicemail:
>>> 8520 9085 Fax +613 9578 9253
>>>
>>> Webmaster - http://www.mckinnonsc.vic.edu.au IT Lecture notes:
>>> http://vceit.com
>>> Moderator: IT Applications Mailing List
>>>
>>> Only those who swim against the current know the current is there.
>>
>>
>> -- 
>> Mark Kelly
>> Manager - Information Systems
>> McKinnon Secondary College
>> McKinnon Rd McKinnon 3204, Victoria, Australia
>> Direct line / Voicemail: 8520 9085
>> School Phone +613 8520 9000
>> School Fax +613 95789253
>> kel AT mckinnonsc.vic.edu.au
>>
>> Webmaster - http://www.mckinnonsc.vic.edu.au
>> IT Lecture notes: http://vceit.com
>> Moderator: IT Applications Mailing List
>>
>> A conclusion is the place where you got sick of thinking.
>> If you Declare War - is it integer or boolean?
>>
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> 
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> 
> 

-- 
Mark Kelly
Manager - Information Systems
McKinnon Secondary College
McKinnon Rd McKinnon 3204, Victoria, Australia
Direct line / Voicemail: 8520 9085
School Phone +613 8520 9000
School Fax +613 95789253
kel AT mckinnonsc.vic.edu.au

Webmaster - http://www.mckinnonsc.vic.edu.au
IT Lecture notes: http://vceit.com
Moderator: IT Applications Mailing List

A conclusion is the place where you got sick of thinking.
If you Declare War - is it integer or boolean?