[Year 12 IT Apps] Qu A 15

[Robert Hind]

Not quite the point I was trying to make Mark!

I don't really care about your "refleact" or your "claculations" - although I did like your definition of "refleact".

Given my correction to my email - validation again!

"
Sorry I should have said

"So validation does not ensure that inaccurate data does not get into a system, it only tries to do so.""

I was only trying to make the point that we use various validation techniques, but they can never ensure that the info in the system is correct. They can only try to minimise the likelihood of incorrect info.

Robert Hind (Semi-retired)
Ex Traralgon and Ashwood

  ----- Original Message ----- 
  From: Mark Scott 
  To: Year 12 IT Applications Teachers' Mailing List 
  Sent: Wednesday, November 14, 2007 4:56 PM
  Subject: RE: [Year 12 IT Apps] Qu A 15


  A claculation is the sound made when students try to do duck mental arithmetic and rely on their claculators.

  Mark Scott




------------------------------------------------------------------------------
  From: itapps-bounces at edulists.com.au [mailto:itapps-bounces at edulists.com.au] On Behalf Of Robert Hind
  Sent: Wednesday, 14 November 2007 3:55 PM
  To: Year 12 IT Applications Teachers' Mailing List
  Subject: Re: [Year 12 IT Apps] Qu A 15


  Now we have to add "claculations" to "refleact" as items that passed through a data validation system. So validation does not ensure that inaccurate data gets into a system, it only tries to do so.

  J
  Robert Hind (Semi-retired)
  Ex Traralgon and Ashwood


  ----- Original Message ----- 
  From: "Mark Scott" <msc at luther.vic.edu.au>
  To: "Year 12 IT Applications Teachers' Mailing List" <itapps at edulists.com.au>
  Sent: Wednesday, November 14, 2007 1:06 PM
  Subject: RE: [Year 12 IT Apps] Qu A 15



  It prevents them being used as a number in claculations etc. 


  Mark Scott
  Luther college 

  -----Original Message-----
  From: itapps-bounces at edulists.com.au
  [mailto:itapps-bounces at edulists.com.au] On Behalf Of Maggie Iaquinto
  Sent: Wednesday, 14 November 2007 12:47 PM
  To: Year 12 IT Applications Teachers' Mailing List
  Subject: RE: [Year 12 IT Apps] Qu A 15

  When there are soft brackets and spaces, it must be text since text is
  alphanumeric. 

  Why no numbers for postcodes? 4 chars, limited range, all number.

  -----Original Message-----
  From: itapps-bounces at edulists.com.au
  [mailto:itapps-bounces at edulists.com.au] On Behalf Of Keith Richardson
  Sent: Wednesday, 14 November 2007 12:41 PM
  To: List ITA
  Subject: [Year 12 IT Apps] Qu A 15

  I have a beef about this topic.
  Some years ago I attended an advanced Access three day course to get my
  head around this database program.
  We were told in no uncertain way, that one should NOT use number as a
  data type for phone numbers or postcodes etc. In fact it should only be
  used when you intend doing mathematical calculations with it's contained
  data further down the track.
  Therefore, I choose A for Qu 15 (Part A), but in doing so remember one
  or more of the VITTA practice ITA exams that indicated it should be
  number.
  What do others think?
  Keith
  Keith Richardson
  ITA List Moderator
  Head of ICT, Leibler Yavneh College
  Elsternwick
  Ph: 03.9528.4911
  k.richardson at yavneh.vic.edu.au

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