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CIS280-f09

2009-11-20T15:59:33Z

What's Due

←Older revision		Revision as of 15:59, 20 November 2009
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	=== What's Due ===		=== What's Due ===
-	Project: (Due Wednesday, November 18) [[CIS280-f09/Schedule/project 12\|~~Expressions~~]]	+	Project: (Due Wednesday, November 18) [[CIS280-f09/Schedule/project 13\|Calculus]]

CIS280-f09/Schedule/project 13

2009-11-20T05:50:23Z

Simplification

New page

== Parsing and Evaluation ==

Assigned: November 19

Due: December 1

=== Derivatives ===

Look at http://en.wikipedia.org/wiki/Derivative for a quick overview of this subject. See http://en.wikipedia.org/wiki/Differentiation_rules for the rules we'll implement.

Write code that implements the following rules:
* Variables: the derivative of a variable is 1 if it is the variable that you are differentiating against ("x") otherwise 0
* Constants: the derivative is 0
* Addition/subtraction: add / subtract the derivatives of the operands
* Multiplication: see the product rule
* Division: see the quotient rule
* Power: handle the case where the exponent is a positive integer only
* Sin / cos: use the chain rule and basic trig rules (do this last!)
* All other functions should cause the program to exit

Create a Derivative class that works the same way as the simplify class. You'll need to modify the Program and FunctionHandler classes to add derivative functions.

Transformation should never alter existing tree structure - always make new structure instead of modifying old structure.

=== Simplification ===

Write a method that tests for tree equality. Using this, simplify t + t to be 2*t, where t is any tree. Do a similar thing for -, *, and /.

For every simplification rule, give this rule a name (like "add constants" or "multiply by 1") and print out the input and output to the simplification as it is performed. For example, for 1*x-0, print something like
Multiply by 1: 1*x = x
Add 0: x+0 = 0

Come up with three more simplification rules that make your expressions easier to read.

Remove the annoying ".0" when integer constants are printed!

=== Final Report ===
Write a program which reads a single line of input: equations separated by ";". For each of the formulas in the equation,
* Print the size (number of operators, variables, and constants), depth, and names of variables referenced in the equation.
* Take the derivative of the equation with respect to x and print this result before simplification
* Simplify, printing the simplification steps as you go
* For the final result, print the size (number of operators, variables, and constants), depth, and names of variables referenced in the equation.
* Stop the program when the user types a blank line.

Write a report in the wiki that:
* Shows the three simplification rules you add to the system with examples of each in action
* Gives a number of complex examples of your program in action
* Discusses what simplifications you could add that would make the results better

Everyone has to write a different report. If you are working with someone, you need to come up with 3 different simplifications for each person.

=== Sample Test Cases ===
<pre>
Parse of x is x
d/dx = 1.0
Parse of 1 is 1.0
d/dx = 0.0
Parse of x+y is x+y
d/dx = 1.0+0.0
Parse of 4*x is 4.0*x
d/dx = 4.0*1.0+0.0*x
Parse of x-x*x is x-x*x
d/dx = 1.0-(x*1.0+1.0*x)
Parse of x/x is x/x
d/dx = (1.0*x-x*1.0)/(x*x)
Parse of 1/x is 1.0/x
d/dx = (0.0*x-1.0*1.0)/(x*x)
Parse of x*x+2*x-1 is x*x+2.0*x-1.0
d/dx = x*1.0+1.0*x+(2.0*1.0+0.0*x)-0.0
Parse of sin(x) is sin(x)
d/dx = oos(x)*1.0
Parse of sin(x*x) is sin(x*x)
d/dx = oos(x*x)*(x*1.0+1.0*x)
Parse of x+x*x+x is x+x*x+x
d/dx = 1.0+(x*1.0+1.0*x)+1.0
Parse of 4*x is 4.0*x
Simplified d/dx = 4.0
Parse of x-x*x is x-x*x
Simplified d/dx = 1.0-(x+x)
Parse of x/x is x/x
Simplified d/dx = (x-x)/(x*x)
Parse of 1/x is 1.0/x
Simplified d/dx = -1.0/(x*x)
Parse of x*x+2*x-1 is x*x+2.0*x-1.0
Simplified d/dx = x+x+2.0
Parse of sin(x) is sin(x)
Simplified d/dx = cos(x)
Parse of sin(x*x) is sin(x*x)
Simplified d/dx = cos(x*x)*(x+x)
Parse of x+x*x+x is x+x*x+x
Simplified d/dx = x+x+2.0
</pre>

=== Extra Credit ===

CIS150-f09

2009-11-19T23:01:59Z

←Older revision		Revision as of 23:01, 19 November 2009
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	== Current Reading and Homework ==		== Current Reading and Homework ==

-	Reading: [[CIS150-f09/Reading/~~Censorship / Google Books / FBI / Google Privacy~~]]	+	Reading: [[CIS150-f09/Reading/Wikipedia]]

	Homework: Term Paper Outline / References		Homework: Term Paper Outline / References

CIS150-f09/Reading/Wikipedia

2009-11-19T23:01:34Z

New page: Reading: * http://mailer.fsu.edu/~bstvilia/papers/stvilia_wikipedia_infoWork_p.pdf - read through 4.2 Diary: Look at topics covered in http://meta.wikimedia.org/wiki/Wikipedia_sociology ...

New page

Reading:
* http://mailer.fsu.edu/~bstvilia/papers/stvilia_wikipedia_infoWork_p.pdf - read through 4.2

Diary:

Look at topics covered in http://meta.wikimedia.org/wiki/Wikipedia_sociology - pick one and summarize it in your diary and be ready to answer questions about it in class.

Be ready to talk about diary entries from the 2 previous classes!

CIS150-f09/Reading

2009-11-19T22:47:22Z

←Older revision		Revision as of 22:47, 19 November 2009
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	* November 17: [[/Censorship\|Censorship and Google Books]] (Jeremy Nelson)		* November 17: [[/Censorship\|Censorship and Google Books]] (Jeremy Nelson)
	* November 19: [[/Censorship / Google Books / FBI / Google Privacy]]		* November 19: [[/Censorship / Google Books / FBI / Google Privacy]]
-	* November 25: Wikipedia	+	* November 25: [[/Wikipedia\|Wikipedia]]
	* December 1: Sociology / Anthropology		* December 1: Sociology / Anthropology
	* December 3: Green Computing		* December 3: Green Computing
	* December 8: Applications		* December 8: Applications
	* December 10: Term paper presentations		* December 10: Term paper presentations

User:Kevin sears/November 19

2009-11-19T16:35:46Z

New page: http://www.theage.com.au/articles/2008/09/04/1220121394391.html Google Crome web browser had some problems with the EULA (End User Licence Agreement). Users who downloaded the free brow...

New page

http://www.theage.com.au/articles/2008/09/04/1220121394391.html

Google Crome web browser had some problems with the EULA (End User Licence Agreement). Users who downloaded the free browser yesterday were asked to agree to a clause that gave Google a "perpetual, irrevocable, worldwide, royalty-free, and non-exclusive licence to reproduce, adapt, modify, translate, publish, publicly, perform, publicly display and distribute" any information they typed into a website. Of course as soon as the law was involved they had to change their agreement.

User:Brian Johnson/November 19

2009-11-19T16:08:10Z

New page: Google and other search databases can present security risks. These risks are due to all of the data collected and stored by the various sites’ spiders. Due to the vast amount of informa...

New page

Google and other search databases can present security risks. These risks are due to all of the data collected and stored by the various sites’ spiders. Due to the vast amount of information stored by their servers a new genre of hacking has emerged. These so called Google hackers use special search terms and operators to reveal private information including usernames and passwords that have been archived in the Google databases. Additionally, they can use these Google searches to find vulnerabilities in websites by seeing what software their severs are running.

I believe there is some concern about the amount of information Google has collected on its users. This concern comes from the great potential for misuse as displayed in this article. We must realize when a company has a valuable resource (in this case user information) others are going to try to get access to that resource especially when doing so involves is rather simple. So we must decide. Is it worth letting a company control all this information? Should there be regulation regarding the specific types of data and duration it can be stored? While we do not know the exact extent of the data stored by Google and other search databases I believe it should be the standard to not store usernames and other information that can easily on its own be traced to a particular person.

http://www.pcworld.com/businesscenter/article/181548/google_dashboard_creates_security_and_privacy_concerns.html

http://www.informit.com/articles/article.aspx?p=170880

User:Colin Greenwood/November 19

2009-11-19T16:02:07Z

New page: http://www.washingtonpost.com/wp-dyn/content/article/2009/09/15/AR2009091503182.html The article is about the USA Patriot Act set to expire in December of this year. In the middle of Obam...

New page

http://www.washingtonpost.com/wp-dyn/content/article/2009/09/15/AR2009091503182.html

The article is about the USA Patriot Act set to expire in December of this year. In the middle of Obama's campaign for presidency he changed his stance on the act. He has decided to appeal to congress to keep the act but modify it giving it less power than it currently has. The three provisions set to expire Dec. 31 allow investigators to monitor through roving wiretaps suspects who may be trying to escape detection by switching cellphone numbers, obtain business records of national security targets, and track "lone wolves" who may be acting alone on behalf of foreign powers or terrorist groups. The new act will also terminate the immunity to prosecution granted to telecommunication companies for all electronic wiretap programs. The telecom companies will still be immune if they can prove taps or similar surveillance was done under FBI or other government supervision, before the companies had an alarmly free reign over who was monitored and who wasn't.

CIS150-f09

2009-11-19T15:18:48Z

←Older revision		Revision as of 15:18, 19 November 2009
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	== Current Reading and Homework ==		== Current Reading and Homework ==

-	Reading: [[CIS150-f09/Reading/Censorship]]	+	Reading: [[CIS150-f09/Reading/Censorship / Google Books / FBI / Google Privacy]]

	Homework: Term Paper Outline / References		Homework: Term Paper Outline / References

User:Alyssa Crum/CIS150/November 19

2009-11-19T14:42:39Z

New page: http://users.rcn.com/kyp/kaminer.html http://www.spectacle.org/cs/cypa.html http://news.cnet.com/2100-1023-238888.html This is a rather old case, and I don't know how far it went, but B...

New page

http://users.rcn.com/kyp/kaminer.html

http://www.spectacle.org/cs/cypa.html

http://news.cnet.com/2100-1023-238888.html

This is a rather old case, and I don't know how far it went, but Boston libraries, for a few years at least, had/have CyberPatrol software that supposedly blocks certain contents from browsers in an attempt to make them much safer places for children to gain information, much attached to Tuesday's topic. This one is unique, though, because interestingly enough, CyberPatrol doesn't want people to know which sites they are blocking, and if someone DOES know what they are, they could tell you that some of them are legitimate and not explicit. There was a code put out a while back that allowed you to see which websites were being blocked, but CyberPatrol took the "hackers" to court, saying that posting the code on websites was copyright infringment, even though, according to the ACLU, it wasn't.

User:Adam/CIS150

2009-11-19T08:01:56Z

←Older revision		Revision as of 08:01, 19 November 2009
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	[[TermPaper]]		[[TermPaper]]
		+
		+	[[TermPaper:Example.doc]]

TermPaper

2009-11-19T07:58:39Z

New page

Intro

Network Neutrality is a principle used when discussing the capabilities of current day network service providers who have the ability to provide restrictions for towards sites, content, and platforms. The terms popularity did not take off until early 2000s when concerns about the subject kicked off with the questioning about how much power these companies should have.

Net Neutrality rules
-Common rules.
-Recent issues
-such as discriminatory problems.

Level of service
-how and why companies can charge for different speeds.

Data discrimination
-ability to discriminate against specific packets

Internet Protocol

Tiered Internet
-Tiered hierarchy.
-levels of hierarchy and why specific levels are more important.

Both sides of Net Neutrality-
for-
pros-
cons-
against-
pros-
cons-

Conclusion

A lot of our readings will be used for references.
http://www.nytimes.com/idg/IDG_852573C40069388000257443006A5D55.html?partner=rssnyt&emc=rss

User:Adam/CIS150

2009-11-19T07:54:36Z

←Older revision		Revision as of 07:54, 19 November 2009
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	\|}		\|}
	[[130 Million Cards]]		[[130 Million Cards]]
		+
		+	[[TermPaper]]

Special:Log/upload

2009-11-19T04:53:34Z

uploaded "Image:BrianJohnsonOutline.doc"

Term Paper Outline

2009-11-19T04:52:52Z

New page: media:brianJohnsonOutline.doc

New page

[[media:brianJohnsonOutline.doc]]

User:Brian Johnson

2009-11-19T04:52:02Z

←Older revision		Revision as of 04:52, 19 November 2009
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	\|-		\|-
	\| \|\| [[Term Paper Stuff]] \|\|		\| \|\| [[Term Paper Stuff]] \|\|
		+	\| \|\| [[Term Paper Outline]] \|\|
	\|		\|
	\|}		\|}

User:Levi Nichols/CIS150/November 19

2009-11-19T04:31:59Z

New page: [http://www.pcworld.com/businesscenter/article/181548/google_dashboard_creates_security_and_privacy_concerns.html http://www.pcworld.com/businesscenter/article/181548/google_dashboard_crea...

New page

[http://www.pcworld.com/businesscenter/article/181548/google_dashboard_creates_security_and_privacy_concerns.html http://www.pcworld.com/businesscenter/article/181548/google_dashboard_creates_security_and_privacy_concerns.html]

This article talks about how Google Dashboard searches through your files on your computer and then stores and indexes that information at Google when the user uses the search on the dashboard. This causes concern in people who keep very inportant and confidential files such as financial and personal documents on their computer. It makes the users wonder how much Google actually knows about them just from retrieving and storing their files from their home computer. My reaction to this is, what purpose would Google have to want all of this personal information readily available to them? And why can't they have a search that just "searches" for the information the user would want and not "hack" that computer to store files?

Colin's Term Paper

2009-11-19T02:22:36Z

New page: Basic Outline, Future of Gaming Consoles *Intro * Next Generation of Microsoft (xbox 720) http://xboxfreedom.com/xbox-720-game-console/ specs: http://vision.pcvsconsole.com/xbox-2011-spe...

New page

Basic Outline, Future of Gaming Consoles

*Intro

* Next Generation of Microsoft (xbox 720)
http://xboxfreedom.com/xbox-720-game-console/
specs: http://vision.pcvsconsole.com/xbox-2011-specs/
Amd and ATI: http://www.geek.com/articles/games/amd-and-ati-contracted-to-provide-next-generation-xbox-chips-20091015/

* Next Generation of Sony (play station 4)
http://www.forbes.com/2008/07/28/game-consoles-nextgen-tech-intel-cx_cm_0729consoles.html
http://sonyps4.com/playstation-4-will-be-the-first/
good general site: http://www.ps4forums.org/
speculative specs: http://www.edepot.com/playstation4.html

* Next Generation of Nintendo (unknown)

* Console Free Gaming
http://kotaku.com/5190395/could-the-future-of-gaming-be-console-free
http://loot-ninja.com/2009/08/15/the-future-of-console-gaming-doesnt-involve-a-console-wait-wut/
http://www.kotaku.com.au/2009/05/steven-spielberg-predicts-console-free-virtual-reality-gaming-future/
http://www.forbes.com/2009/03/27/video-games-cloud-technology-personal-tech-games.html

* Virtual Reality Gaming
http://en.wikipedia.org/wiki/Virtual_reality

http://www.fireflake.com/game/2008/08/20/the-future-of-console-gaming/
http://www.fireflake.com/game/2009/05/07/future-of-gaming-consoles-take-2/

User:Colin Greenwood

2009-11-19T02:21:24Z

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	* Homework 6: [[media:colingreenwood-hwk6.ppt]]		* Homework 6: [[media:colingreenwood-hwk6.ppt]]
		+
		+	* [[Colin's Term Paper]]

User:Tim Ballard/CIS410/State

2009-11-18T22:44:58Z

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	[[Image:State.png]]		[[Image:State.png]]
		+
		+
		+	[http://http://en.wikipedia.org/wiki/State_pattern State Pattern]

CIS190-f09/Assignments

2009-11-18T21:04:52Z

←Older revision		Revision as of 21:04, 18 November 2009
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	* Vince / Jose: Space Invaders		* Vince / Jose: Space Invaders
	* Lindsey / Tyler: Breakout		* Lindsey / Tyler: Breakout
		+	* Brian / Nic: Shooting Game
		+	* Jerimiah / Aaron: Pac Man
		+	* Nathianial: Asteroids
		+	* Jason / Jason: Shooting
		+

	----		----

User:Tim Ballard/CIS410/State

2009-11-18T19:56:35Z

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	===State Pattern===		===State Pattern===
		+
		+	The state pattern is used to change the state of an object at runtime, i.e partially change the objects type at runtime.
		+
		+	[[Image:State.png]]

Special:Log/upload

2009-11-18T19:50:55Z

uploaded "Image:State.png": State Design pattern uml

User:Tim Ballard/CIS410/State

2009-11-18T19:49:44Z

New page: ===State Pattern===

New page

===State Pattern===

CIS190-f09/Assignments

2009-11-18T04:26:40Z

←Older revision		Revision as of 04:26, 18 November 2009
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		+	Due December 1:
		+
		+	Final Game, First Draft
		+
		+	Get approval for a game and create a first draft of the game.
		+
		+	Games:
		+	* Patrick: Banana Toss
		+	* Vince / Jose: Space Invaders
		+	* Lindsey / Tyler: Breakout
		+
		+	----
		+
	Due Nov 12:		Due Nov 12:

Homework 2: Weekly Summary Poster

2009-11-18T03:24:04Z

New page: Weekly Summary Poster

New page

[[media:eredding-hw1.ppt|Weekly Summary Poster]]

User:Subzero1032/CIS150

2009-11-18T03:23:40Z

←Older revision		Revision as of 03:23, 18 November 2009
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	=== Homework Assignments ===		=== Homework Assignments ===
-	* [[~~media:eredding-hw1.ppt\|~~Homework 1: Weekly Summary Poster]]	+	* [[Homework 1: Computer News Presentation]]
		+	* [[Homework 2: Weekly Summary Poster]]
	* [[Homework 3: Computer History Poster]]		* [[Homework 3: Computer History Poster]]
	* [[Homework 4: Computer Industry Poster]]		* [[Homework 4: Computer Industry Poster]]

Special:Log/upload

2009-11-18T03:21:31Z

uploaded "Image:Eredding-150-TpaperOutline.doc"

Term Paper: Windows 7

2009-11-18T03:20:37Z

New page: References used for creating the outline and term paper: http://www.pcworld.com/article/172602/windows_7_review.html http://en.wikipedia.org/wiki/Windows_7 http://www.techradar.com/news...

New page

References used for creating the outline and term paper:

http://www.pcworld.com/article/172602/windows_7_review.html

http://en.wikipedia.org/wiki/Windows_7

http://www.techradar.com/news/computing/pc/18-cool-things-windows-7-does-that-vista-doesn-t-628892

http://www.pcmag.com/article2/0,2817,2348903,00.asp

http://gizmodo.com/5330609/windows-7-review-you-can-quit-complaining-now

[[media:eredding-150-TpaperOutline.doc|Term Paper Outline]]

User:Subzero1032/CIS150

2009-11-18T03:16:27Z

←Older revision		Revision as of 03:16, 18 November 2009
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	=== Term Paper ===		=== Term Paper ===
		+	* [[Term Paper: Windows 7]]

User:Brian Johnson/November 12

2009-11-18T02:52:24Z

New page: The controversy I have chosen regards Facebook.com’s use of user’s activities and images. In 2007 Facebook.com began using the Beacon ad platform which featured ads on the site beside ...

New page

The controversy I have chosen regards Facebook.com’s use of user’s activities and images. In 2007 Facebook.com began using the Beacon ad platform which featured ads on the site beside pictures of friends who had purchased the products. The site claims they only use information the users choose to share. I view this as a rather strange argument since everything you put on the site you are choosing to share. So does this mean everything uploaded by users to the site is fair game? This information was used by advertisers to do a sort of word of mouth advertizing in which they used your likeness to draw your friends’ attention to their products ad.

A month after the start of the ad campaign the site issued a formal apology for not offering an option for users to opt out. At this time they gave users the option of opting out of the program. The pressure to change came from users and privacy advocates.

http://www.internetnews.com/webcontent/article.php/3803306

http://www.internetnews.com/bus-news/article.php/3714951

Kevin Sears 150 Term Paper

2009-11-18T00:25:53Z

←Older revision		Revision as of 00:25, 18 November 2009
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	http://autos.aol.com/article/future-safety-advances		http://autos.aol.com/article/future-safety-advances

		+	http://ezinearticles.com/?What-Are-Some-Of-The-Potential-Problems-With-The-New-Technology-In-Automobiles&id=350304

	----		----
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	Outline:		Outline:

-	Into: The technology in cars has come a long way. Some ~~new computer technology in cars~~ and ~~their benefits~~ are ~~safety features~~, ~~GPS navigation~~, and ~~entertainment~~ technology.	+	Into: The technology in cars has come a long way. Some points and topics are new technology, the problems with the technology, and the future of the technology.

	*Introduction		*Introduction

-	*~~Safety Features~~	+	*New Technology

	*Examples		*Examples
Line 29:		Line 30:
	*Benefits		*Benefits

-	*~~GPS Navigation~~	+	*The Problems with the Technology
		+
		+	*Problems

	*Examples		*Examples

-	*~~Features~~	+	*The Future with the Technology
-		+
-	*Benefits	+
-		+
-	*Entertainment	+

	*Examples		*Examples

CIS150-f09/Reading/Censorship / Google Books / FBI / Google Privacy

2009-11-17T23:17:15Z

New page

Reading:

* http://www.wired.com/politics/security/news/2007/08/wiretap
* http://www.wired.com/threatlevel/2007/06/appeals_court_s/
* http://www.nytimes.com/2002/04/22/business/new-economy-copyright-dispute-with-church-scientology-forcing-google-some.html
* http://www.slate.com/id/2175651/

Diary:
* Be ready with your previous diary entry
* Write a diary on one of the following, including a link to your source, a summary, and a reaction:
** Find something related to government surveillance and the laws governing it or the technologies enabling it
** Or, find something related to privacy concerns involving Google / search technology
** Or, find something about private censorship in which people or corporations are attempting to censor the Internet

CIS150-f09/Reading

2009-11-17T23:07:35Z

←Older revision		Revision as of 23:07, 17 November 2009
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	* November 12: [[/Privacy\|Privacy]]		* November 12: [[/Privacy\|Privacy]]
	* November 17: [[/Censorship\|Censorship and Google Books]] (Jeremy Nelson)		* November 17: [[/Censorship\|Censorship and Google Books]] (Jeremy Nelson)
-	* November 29: ~~Bitsy~~	+	* November 19: [[/Censorship / Google Books / FBI / Google Privacy]]
	* November 25: Wikipedia		* November 25: Wikipedia
	* December 1: Sociology / Anthropology		* December 1: Sociology / Anthropology

Kevin Sears 150 Term Paper

2009-11-17T19:03:19Z

←Older revision		Revision as of 19:03, 17 November 2009
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	http://www.computeruser.com/articles/2309,1,2,1,0901,04.html		http://www.computeruser.com/articles/2309,1,2,1,0901,04.html

		+	http://www.wjactv.com/automotive/18658482/detail.html
		+
		+	http://autos.aol.com/article/future-safety-advances


Line 13:		Line 16:

	Outline:		Outline:
		+
		+	Into: The technology in cars has come a long way. Some new computer technology in cars and their benefits are safety features, GPS navigation, and entertainment technology.
		+
		+	*Introduction
		+
		+	*Safety Features
		+
		+	*Examples
		+
		+	*Features
		+
		+	*Benefits
		+
		+	*GPS Navigation
		+
		+	*Examples
		+
		+	*Features
		+
		+	*Benefits
		+
		+	*Entertainment
		+
		+	*Examples
		+
		+	*Features
		+
		+	*Benefits
		+
		+	*Conclusion