[Year 12 SofDev] Trace Tables vs desk Check

[Adrian Janson]

Hi Damien,

Unless I'm mistaken, Desk Checks aren't mentioned in the study design at
all. Trace tables are basically the same, and while I've certainly seen
versions that have the line numbers on the side, I feel like they are
redundant. I usually do Trace Tables (desk checks) like the diagram on the
RHS *(in your example), with the bottom-most values representing the
current value of the variable.

I'd be interested to hear other's thoughts on this - as I can change what
is in my text for 2020!

Cheers,
Adrian

On Tue, Sep 17, 2019 at 2:35 PM ATKINSON-BUCK, Damien <
Damien.ATKINSON-BUCK at ivanhoe.com.au> wrote:

> Hi all,
>
> Apologies if this has already been asked before.
>
> Could someone please give me a guide as to the difference between a desk
> check and a trace table. I was under the impression that the desk check was
> a simply putting all of the variables into a table and checking their value
> each pass through the loop/function whereas a trace table was a fair bit
> larger in that they show what happens throughout each line of code, as per
> the 2 images below.
>
> Trace Table
>
> Desk Check
>
> From https://www.101computing.net/trace-table/
>
>
>
> From 2018 Sov Dev Examiners report
>
>
>
> Last year’s exam Section B Q1 asked students to draw a trace table, but
> the suggested answer in the examiner’s report
> <https://www.vcaa.vic.edu.au/Documents/exams/technology/2018/computingsoftwaredevelopment_examrep18.pdf>
> gave what I call a desk check.
>
> Is there a difference?
>
> If there is, what is acceptable in the exam? Given the 2018 exam has used
> this style, I assume it will be accepted this year, but does anyone have
> any other thoughts?
>
> Thanks in advance
>
> Damien
>
>
>
>
>
>
>
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