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Open source This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.

Skills. : none. IT concepts. : open source, . copyright, license, the impact of open source software and content. Where does this topic fit?. Internet concepts. Applications. Technology. Implications.

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Open source This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.






Presentation on theme: "Open source This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3."— Presentation transcript:

Slide1

Open source

This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License.

Skills

: none

IT concepts

: open source,

copyright, license, the impact of open source software and contentSlide2

Where does this topic fit?

Internet conceptsApplicationsTechnologyImplicationsInternet skillsApplication developmentContent creationSlide3

Popular Web client programs

Can you name the one that goes with each logo? The company that wrote the program?Slide4

Popular Web client programs

Opera, Opera Software

Chrome, Google

Safari, Apple

Firefox, Mozilla Foundation

Internet Explorer, Microsoft

Web

client

and Web

browser

are synonyms.Slide5

Popular Web client programs

How is it possible that any one of these Web clients works with any of the millions of Web servers on the Internet?Slide6

Open source software – free in two ways

Geeks say it is free as in “free speech” and free as in “free beer.”

Which Web clients are open source?Slide7

Web client programs

Proprietary

,

Opera Software

Open source

Proprietary, Apple

Proprietary,

Microsoft

Open sourceSlide8

The most popular Web server programs

Proprietary

Open source

Which do you think is most popular?Slide9

Source:

NetcraftNote that there are many other, less popular Web server programs.Slide10

Open source/copyright licenses

This presentation

Choose a copyright licenseOpen source software licensesSlide11

Is open source a good idea?

For society? For content and software creators?Slide12

Why would anyone contribute to Wikipedia?Slide13

Before we end this presentation, have you used any open source software today?Slide14

Self-study questions

Why do suppose Apache is more popular than IIS?The HTTP protocol is standardized, Explain how that leads to competition in Web client and server software.We said open source software is open in two ways – can you explain them in your own words?

Why is Linux such a big deal if it only has 1.1% of the desktop operating system market?Ethernet is the dominant protocol for wired communication between computers in local area networks, but IBM’s Token Ring protocol and products competed with Ethernet in the 1980s. Why did Ethernet prevail?WiFi is the dominant protocol for wireless communication between computers in a LAN. To what do you attribute its success?What motivates people to contribute to open source projects?Slide15

Summary

Proprietary

Open sourceSlide16

Resources

Web server market shares:http://www.netcraft.comWeb client and other market shares:http://www.netmarketshare.com/