Downloadable Design Technology Apps (for smartphones and tablets).
There are plenty of websites are revision apps which can help you with the exam content.
Apps:
- Design & technology by J Plimmer is a good app and can be downloaded for Apple and Andriod for 79p.
-Plastic Guide by Bruder Consulting AB (Free to download for Apple and Andriod)
- iDT HD by Ray Gentleman (Free to download for Apple and Andriod)
- iD Cards - Loughborough Design SchoolBy Loughborough University (Free to download for Apple and Andriod)
Websites:
http://www.design-technology.info/revisionguides
http://www.bbc.co.uk/schools/gcsebitesize/design
http://www.mr-dt.com/revisiontests.htm
http://www.teachers-direct.co.uk/resources/quiz-busters/subjects/ks4/design-and-technology.aspx
http://www.technologystudent.com