Tuesday, February 22, 2011
Thursday, February 17, 2011
Flowchart (Activity 3.1.2)
Flowchart:
Conclusion Questions
How is flowcharting similar to using a map to plan a route for a trip?
1. Flowcharting is similar to using a map to plan a route for a trip beause both are readable, easy to use, and give step-by-step directions/instructions on what to do (i.e. a simple task or driving to Vegas).
Describe a process that you perform every day. Develope a flowchart that illustrates a process.
2. Everyday process: getting up in the morning. First you have to get up. Then you have to brush your teeth and wash your face. Then you have to shower. Then you either eat breakfast or you don't. If you do, you have to go back and brush your teeth, then go to school. If you don't then you go to schoool.
How is flowcharting similar to using a map to plan a route for a trip?
1. Flowcharting is similar to using a map to plan a route for a trip beause both are readable, easy to use, and give step-by-step directions/instructions on what to do (i.e. a simple task or driving to Vegas).
Describe a process that you perform every day. Develope a flowchart that illustrates a process.
2. Everyday process: getting up in the morning. First you have to get up. Then you have to brush your teeth and wash your face. Then you have to shower. Then you either eat breakfast or you don't. If you do, you have to go back and brush your teeth, then go to school. If you don't then you go to schoool.
Monday, February 14, 2011
3.1.7 Machine Control Design
1. Requirements: to design a vehicle that drives in a strait line back and forth to deliver batches of parts. Must travel back and forth based on input from a potentiometer. Must include an emergency shutoff in case the vehicle travels too far in either direction.
Components: Engineering kit tools and pieces
Constraints: must travel back and forth (2 ways); must have an emergency shutoff
2&3. Solutions/Sketches: 
4. Final design:
5. Actual Design
Conclusion Questions
1. The most difficult part of the problem was trying to set up the car and the system that moves it. We had trouble getting the car to break on the emergency stops. Instead of stopping on cue, it would keep going and eventually get off the track.
2. Our design worked great, so I don't think there's anything more or less that we would have needed.
Tuesday, February 8, 2011
Super Advertising
In orfer for the VW company not to go bankrupt, they would need to sell about 200 cars. It cost VW $3 million to make/air the commercial. 98.7 million people saw the Superbowl. I think it's smart to show your ad during the superbowl commercial. Although not all 98.7 million will buy your product, a lot of those millions of people will think about getting a VW now. In order for the company to not go bankrupt, they at least need to make the $3 million they spent on the commercial and air time, so they'd need to at least sell 150 cars.
Activity 3.1.1 Inputs and Outputs
5. Unchecked; zero; not present
6. Checked; one; present
7. When you switch 3 and 2, the answers to #5 and 6 switch
9. 38 to 5000
11. 1718
12. 1655
14. By switching the red and black wires
15. The electromagnet turns the reed switch on
16. Normally closed
18. Light shining = closed photoresistor
19. More light = more resistance
20. Reverse program
21. Having the phototransistor normal will make it utilized
6. Checked; one; present
7. When you switch 3 and 2, the answers to #5 and 6 switch
9. 38 to 5000
11. 1718
12. 1655
14. By switching the red and black wires
15. The electromagnet turns the reed switch on
16. Normally closed
18. Light shining = closed photoresistor
19. More light = more resistance
20. Reverse program
21. Having the phototransistor normal will make it utilized
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