Dnt Answers
Monday, October 11, 2010 / 10:57 AM
Dnt answers.
1 (i) User Surveys
(ii) User Interviews
(iii) Newspaper Reports
2 To plan and monitor the Design process
3 (i) The night light should be water resistant and be able to withstand a shower for about 5 minutes. [um the shower part sounds a bit absurd but thats what it says...]
(ii) The electronics are to be enclosed in a plastic bag to prevent water from entering the internal parts.
(iii) The cardboard should be protectd by an anti-water covering to prevent the cardboard from being damp.
4
If it is too general, it will be impossible to satisfy the design specifications.
If it is too general, almost anything is possible to satisfy the conditions.
[the two points sort of contradict each other :S]
If it is too general, then the options will be too wide and the choice would be difficult to decide.
5

Well there's another answer that says "Switch A in series with circuit, switch C in Series with Switch B in parallel but its confusing...
6 To prevent the LED from high current, preventing it from blowing.
7 We need to connect 3 1.5V batteries in series.
8 That weird cardboard model thing with its left leg sticking out...
9

I guess thats it :)
Jys~
Charin