Open University - TU100 Day school 1
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Open University Day School for TU100 by Sarah Horrigan covering Block 1 Parts 2 and 3
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Open University - TU100 Day school 1
- 1. TU100 Day School 1 Sarah Horrigan, Associate Lecturer, Region 05
- 6. Activity What was your first computer? What is your current computer? What are the main differences?
- 7. Moore’s Law “ Transistors on a chip will double every year for the next 10 years” Gordon Moore, 1965
- 10. Exponential growth? “ Growth in which each value is a fixed multiple of the previous value”
- 12. Writing it down… Hint: x -n = 1/(x n ) x n = x multiplied by itself n times
- 14. The bouncing ball method… 0.000000005
- 15. The bouncing ball method… 0.000000005
- 16. The bouncing ball method… 0.000000005 1 4 5 6 7 8 9 2 3
- 17. The bouncing ball method… 0.000000005 = 5 x 10 -9
- 19. Binary numbers are the form in which information is held in a computer
- 23. P resentation R elevance O bjectivity M ethod P rovenance T imeliness
- 24. Presentation (is the information clearly communicated?) Look at language, layout, structure, etc.
- 25. Relevance (does the information match the needs of the searcher?) Look at the introduction or overview – what is it mainly about?
- 26. Objectivity (Is the author´s position of interest made clear?) Look for an introduction or overview – do the writers state their position on the issue? Is the language emotive? Are there hidden, vested interests?
- 27. Method (research reports only) (Is it clear how the data was collected?) Were the methods appropriate? Do you trust it?
- 28. Provenance Is it clear where the information has come from? Can you identify the authors or organisations? How was it published?
- 29. Timeliness (Is it clear when the information was produced?) Does the date of the information meet your requirements? Is it obsolete?
- 30. Any Questions?
Hinweis der Redaktion
- Computer evolution Image source: Upgrade Reality, ‘Evolution Man into Computer’, available from: http://www.upgradereality.com/images/evolution-white.jpg, date accessed 15/10/11
- Activity – 15 minutes In small groups, spend 10 minutes sharing your memories of your first computer. Think also about your current computer. Then, try to summarise the main differences. What has changed since those days? Image source: Extra Ketchup, ‘Electronics club 1986’, http://www.flickr.com/photos/27315689@N00/440680363/
- Image source: Gordon Moore, available from http://www.vcharkarn.com/uploads/224/225132.jpg Source article: Moore, G. (1965), ‘Cramming more components onto integrated circuits’, ftp://download.intel.com/museum/Moores_Law/Articles-Press_Releases/Gordon_Moore_1965_Article.pdf Later revised this to every 2 years (in 1975)
- Image source: Jeff Will, ‘On top of the city’, http://www.flickr.com/photos/35708620@N00/439227689/
- Can exponential growth continue indefinitely? Activity – take a piece of paper, fold it in half… then fold it again… how many times can you fold it? Why stops you from continuing to fold it? Image source: Visual Panic, ‘Sitting down here – Lene Martin’, http://www.flickr.com/photos/41754875@N00/2054645212/
- Image source: sbfisher, I/O, http://www.flickr.com/photos/72103051@N00/2275277312/
- Activity – mark this up Hand out
- Activity – read through article and then evaluate based on the PROMPT criteria – 15 minutes