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Specification Content - ICT5
14.9 Software Reliability

Testing, testing ... 1, 2, 4! @u#k8Ng h3##!! Software's pretty complex stuff so you really need to test it thoroughly before foisting it on unsuspecting customers. This topic covers how to test complex software and why it *still* sometimes fails. Have a look at the cool link below "Why Software Fails" for what happens when things go horribly wrong!
 

Books and stuff to buy





Widely used as the
standard text
for A2 level ICT
More info


Diagrams

An excellent resource
for last minute revision
More info...




Photocopiable notes for ICT4 and ICT5
More info...




Detailed text covering AS and A2 ICT
More info...




No-one has a good word to say about it but everybody's read it
More info...

 

14.9 Key points/learning outcomes
  • Describe methods of ensuring that software is reliable: α testing, β testing, agreements between software houses and purchaser for testing.
     

  • Understand the reasons why fully-tested software may fail to operate successfully when implemented as part of an information technology system.
     

  • Understand the need for maintenance release(s)

14.9 Book references

See the books page for more details about the titles listed below

McWeeney - A205 Pages 42 - 43

Mott & Leeming - Chapter 22

Doyle - Pages 285 - 286

Heathcote - Pages 337 - 339

14.9 Practice questions

AQA past papers
Past papers. Not as useful as the Psionica database AQA shamefully closed but...

Practice questions
Past paper practice questions for 14.9 (.rtf file - opens in Word/Writer) suitable for revision/homework etc. etc.

Past paper answers
Answers to the questions above. This is a password protected .doc file. Sorry but the password is only available to teachers.

Older Exam Papers
Past papers (pre 2000) not included on the official AQA site from Colchester VI Form College. These still contain some relevant questions for this topic. Look for IT05/ICT5 papers.

14.9 Online Resources

Links to general online resources for 14.9. I'd recommend right clicking links/icons and "Save Target As..." for anything other than web pages (see key below)

Software Acquisition and Testing
PowerPoint presentation based on Ch. 62 of the Heathcote book. This version, from Mortimer Wilson, contains extra speaker's notes for each slide.
 
Software Testing
Very short, two-page, summary of this topic based on notes from the KJS website is a pretty useful resource for last minute revision.
 
Software Testing
Pretty cool entry in Wikipedia neatly covers just about everything you'll need to know for this topic. It's well worrth following the external links at the bottom of the entry.
 
Software Upgradability & Reliability
This Psionica Flash presentation is actually for ICT2 (11.4 Software: Nature and blah de blah)) but is well worth having another look at.
 
AmeriKun speeling! This is a truly hideous looking website (looks like it's been done by a colour blind lunatic). Don't let this put you off as it contains some GREAT stuff for this topic.
 
Software Testing in a Nutshell
Looks like someone's homework! Anyway it's very good and covers a lot of the content for this topic and more.
 
Why Software Fails
An absolutely enormous file - 9.5MB(!!!) but well worth downloading IMNSHO. It's only 9 pages but it's absolute quality. External download but FatMax recommended.
 
Why Software Fails
The original online HTML version of the above file from the IEEE. It doesn't look quite as pretty but essentially the content is the same.
 
14.9 Software Reliability
Yet another excellent PowerPoint presentation written specifically for the AQA course from the superb ict-teacher. It's orange BTW!
 
14.9 Software Reliability
Summary notes and questions for this topic from North Chadderton High School. Contains a couple of past paper questions with detailed answers.
 
Software Development and Reliability
Online revision notes from Antonine Education. Based largely on the Heathcote book there are practice questions (and answers) throughout plus an end of unit test.

Key to resources:

PowerPoint presentation
Word file
Web page
Macromedia Flash

Word, PowerPoint and Excel resources will also open in OOo Writer, Calc and Impress - check the downloads page.

 

Disclaimer whatnot: Help FatMax keep these pages relevant by submitting new links and/or reporting dead links here. FatMax has absolutely no association with AQA whatsoever. Unfortunately the only vaguely <snigger> *reliable* </snigger> source of AQA info is www.aqa.org.uk Pics of FatMax are by Adam Kirkton - buy something from his site and watch my tail wag! This page last updated 15/02/06 by a dog with a bone.