Slide 1 Tomorrow’s Technology and You Chapter 4 Software © 2006 Prentice-Hall, Inc.

Slide 2 Chapter 4 Objectives What can we learn from Linus Torvalds? What is involved in managing the software on our computers? How big is the problem of software piracy? What are the effects? possible solutions? How can we deal with problems of software performance & reliability? What is required for good ergonomics of software? © 2006 Prentice-Hall, Inc.

Slide 3 What can we learn from Linus Torvalds? (pages ) When did he begin work on Linux? What PC OS was dominant at the time? What OS was he learning from? What made Linux so great? what is “Open Source Software”?“Open Source Software” What does it cost? Who updates it? why? Linux is ‘mutli-user’ – what does this mean? How widely is it used today? So what? © 2006 Prentice-Hall, Inc.

Slide 4 Chapter 4 Objectives What can we learn from Linus Torvalds? What is involved in managing the software on our computers? How big is the problem of software piracy? What are the effects? possible solutions? How can we deal with problems of software performance & reliability? What is required for good ergonomics of software? © 2006 Prentice-Hall, Inc.

Slide 5 Software Management (pages ) Distribution software often ‘bundled’ with computer – so what?so what? Can also buy at store or download – pros and cons? Web Apps – examples? – pros and cons? Upgrading When should I upgrade? do I pay for it? Automatic updates? Yes or no? How can I change? Compatibility (p 126) Windows to Mac to Linux XP to Vista to Win 7 © 2006 Prentice-Hall, Inc.

Slide 6 Document Sharing Sharing home to school –Why not USB key ? Why not ? –N: drive – why? How do I access from home? add screen shot to thread in Q&A Forum for bonus marks –Sky Drive – how and why? Sharing with others – - Don’t use.doc!! why not? What should I use instead? –Better N: drive? Sky Drive? Google Docs?

Slide 7 Chapter 4 Objectives What can we learn from Linus Torvalds? What is involved in managing the software on our computers? How big is the problem of software piracy? What are the effects? possible solutions? How can we deal with problems of software performance & reliability? What is required for good ergonomics of software? © 2006 Prentice-Hall, Inc.

Slide 8 Software Piracy (pages 132,133, 135) How big is the problem? What are the effects? What protection is offered by Copyright laws? the DCMA? Hadopi?Hadopi the DRM idea? What do you think is the answer? Forget it? DRM? Open source? © 2006 Prentice-Hall, Inc. “If… the protection of intellectual property is eroded, that hurts everyone. People need to have the incentive that if they… succeed, they can make a fair profit…. But on another level entirely, it's just wrong to steal. Or, let's put it another way: it is corrosive to one's character to steal. We want to provide a legal alternative.” Steve Jobs

Slide 9 Chapter 4 Objectives What can we learn from Linus Torvalds? What is involved in managing the software on our computers? How big is the problem of software piracy? What are the effects? possible solutions? How can we deal with problems of software performance & reliability? What is required for good ergonomics of software? © 2006 Prentice-Hall, Inc.

Slide 10 Software – Making it work! Problem solving (pages 124, 125) Screen freeze? Autosave Other ideas? What else can I do to make software work? What else can I do How do I ‘tune up’ existing system? New Device drivers? – p 120 Defragmentation – p 131 What is the ‘memory leak’ problem? task manager – how do I use performance info? © 2006 Prentice-Hall, Inc.

Slide 11 Chapter 4 Objectives What can we learn from Linus Torvalds? What is involved in managing the software on our computers? How big is the problem of software piracy? What are the effects? possible solutions? How can we deal with problems of software performance & reliability? What is required for good ergonomics of software? © 2006 Prentice-Hall, Inc.

Slide 12 Software Issues - Ergonomics (page ; ) GUI vs command line – which is better? Ergonomic tips Use virtual folders – what are they? Colour choices – which is easiest on the eyes? Set mouse controls – why? how? Other tips? Future interfaces? (p 134) What’s on the way? pros and cons? © 2006 Prentice-Hall, Inc.

Slide 13 Chapter 4 In-Class Activity Call up on your screen a view of your computer that shows: the contents of the N: drive (expanded) in the tree pane the contents of a folder for this class in the detail pane, with file extensions visible. Ensure it contains at least one file Copy/paste this screen shot into an MS Word document, making sure it is large enough to be read Below the image, type 2 reasons why use of your N: drive is a good idea Save the file on your N: drive, in a format that does not require MS Word to read it Go to the ‘In-class discussion - Week 4’ Forum, and attach the file to your post. © 2006 Prentice-Hall, Inc.

Slide 14 GPL General Public Licence Software copyright takes away your freedom to share and change it. GPL (Software ‘Copyleft’) guarantees your freedom to share and change software and charge for it if you wish but you must give the recipients the source code, and tell them that they have the same rights as you have. What is the effect of this ‘open source’ approach? © 2006 Prentice-Hall, Inc.