2. Understanding, Care, & Repair of Technology But first… Final project reports due tomorrow –Oral report: 8 minutes max –Written report as web page What did you do? What did you learn?

3. Understanding, Care, & Repair of Technology based on an article by Jim Levin & Naomi Miyake, "Care and Repair of Your Computer: A Top-down Strategy for the Novice".Care and Repair of Your Computer: A Top-down Strategy for the Novice

4. Understanding, Care, & Repair of Technology Levels of understanding Understanding, diagnosis & treatment from the general to the specific Levels of understanding technologies

5. Multiple levels At any given level, –Functional understanding, in terms of what it does based on what you do to it –Structural understanding, in terms of how the subparts (one level down) interact with each other

6. Level 0 understanding: the whole system

7. Sign in electronics repair shop

8. Diagnosis & Treatment Check the connections –Power plugs –Network or phone plugs Swap identical parts –Try a different power socket –Try a different phone socket

9. Level 1: the computer and its peripherals

10. Diagnosis & Treatment Check connections –The cables from the peripherals to the computer Swap identical parts –Try a different monitor, modem, printer, mouse, keyboard, etc.

11. Level 2: the boards of a computer

12. Structural understanding: The interactions of the parts

13. Diagnosis & Treatment Check the connections –Reseat the boards Swap identical parts –Swap boards with an identical computer

14. Level 3: the chips

15. Diagnosis & Treatment Check the connections –Reseat any socketed chips Swap identical parts

16. Level 4: the circuits in a chip and further levels and further levels...

17. General Diagnosis & Treatment Check the connections Swap identical parts

18. Software troubleshooting Swap identical parts (reload, restart, reboot, reinstall, restore) Check connections (look at the settings) Levels of software: application file, application, operating system

19. Memorable Troubleshooting Stories What do you think about the stories?

20. Next class meeting Tuesday, July 12, same time, same place Final project presentations: 58minutes each: assume everyone has seen your project description; focus on what’s most important about your projet, and what you’ve learned from it Course evaluations

21. Break time! Tuesday's snacks: me Thanks to Season & Ana for today’s snacks