[Yr11 Information Technology] Data Flow Diagrams

[Mark Kelly]

I've always believed context diagrams WERE Level 0 DFDs...

Googling seems to confirm it.

Robert Minato wrote:
> Thanks for the reply Laurie and Litsa
> 
> Don't have IT at work in our library but I like Litsa's idea of only going 
> to Level 0.
> 
> Thanks for the suggestions
> 
> Rob
> 
> Robert Minato
> Technology Domain Leader
> Catholic College Wodonga
> 02 6043 5546
> 
> 
> 
> 
> 
> On 03/09/2008, at 10:57 AM, Litsa Tzelepis wrote:
> 
>> hello.
>> i also use potts, but i have the jacaranda text for the occassional 
>> backup.
>> if you have this text, try go to page 255 - 258. this should help.
>>  
>> i teach context diagrams and then level 0 - i then discuss level 1, 
>> level 2, etc. but tell the students they only need to worry about the 
>> context diagram and level 0.
>>  
>> hope this helps, litsa
>>
>>     ----- Original Message -----
>>     *From:* Robert Minato <mailto:rminato at ccw.vic.edu.au>
>>     *To:* Year 11 Information Technology Teachers' Mailing List
>>     <mailto:yr11it at edulists.com.au>
>>     *Sent:* Wednesday, September 03, 2008 7:57 AM
>>     *Subject:* [Yr11 Information Technology] Data Flow Diagrams
>>
>>     I'm preparing for DFDs, something I've not taught before. The
>>     Potts text give two pages of, too me, brief cover. When I look at
>>     the DFD examples on the VITTA support cd, I feel I'm way short of
>>     knowing much about them. Context/level 0 diagrams are fine, but
>>     going further seems to leave a lot of interpretation to the
>>     imagination. Given that my students aren't very worldly, I don't
>>     expect them to grasp the topic very easily.
>>
>>     How deep are we expected to cover DFDs? The study design
>>     lists: tools for representing data flows, including data fl ow diagrams.
>>
>>     Does anyone have any notes to better exp! lain level 1 and level 2?
>>
>>     Regards
>>
>>     Rob
>>
>>     Robert Minato
>>     Technology Domain Leader
>>     Catholic College Wodonga
>>     02 6043 5546


-- 
Mark Kelly
Manager - Information Systems
McKinnon Secondary College
McKinnon Rd McKinnon 3204, Victoria, Australia
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kel AT mckinnonsc.vic.edu.au

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