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Reliability PC: still room for improvement! Teachers

A recent analysis Gartner reported on the reliability of computer hardware, and finds that the failure rate decreases but the manufacturers still need to improve.

The analysis is based on the average annual rate of outages and found that during the last three years it has decreased by 25% for both desktop computers for laptops. The bad news is that this rate remains around 15 to 22%.

Figures refer to materials acquired in 2003-2004 and 2005-2006. They speak for themselves:

- for landline rate of failures in the first year from 7 to 5%, and 15 to 12% the fourth year;
- for notebooks, the failure rate is increased from 20 to 15% the first year, and 28 to 22% the third year.

Why do we see more failures on laptops?
Basically because the demand for machinery and small light causes a decrease in overall stiffness. In addition, compression of the components in a confined space causes a higher temperature can be harmful to electronic components. Finally, users carry their computer in hand, in transport, in terms of comfort variable, which exposes the material to various risks such as temprature, vibration, dust.

What components are most at risk?
For positions fixed, these are the motherboards and hard drives. The lip seal of motherboards are more frequent because of the increasing integration of components on a single card. Even modem or network interfaces are no longer independent and need, in case of failure, a replacement card complete database.

On laptops, the screen has long been the main source of failure. Over time, manufacturers are vastly improved equipment design, and the screens are not as sensitive as in the past. The causes of failures on these devices are, in descending order, motherboards and hard (as in fixed phones) but also the elements of chassis (including closing mechanisms, feet, hinges, housings), keyboards and monitors.

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cons phones: the battle continues classrooms

The "Chronicle of Higher Education" of June 2, 2006 ( http://chronicle.com - subscription required for some items) reported that teachers increasingly require that many students do over their laptops during class.

One reason is the development of networks without son, through which Students are distracted, some making their purchases online or chatting on instant messaging, instead of participating actively in class.

Professor of Law at the University of Memphis has drawn the ire of students to whom it had banned the use of laptops. His argument refers to the "video wall" that prevented visual contact with students, and penalizes the trade, including among the students themselves. But this case, exaggerated by the American newspapers, is far from unique, and other teachers are fighting against the use of phones that distract distractions to students online.

Some institutions have attempted to counter these difficulties by implementing technology solutions for the interruption of network connections during the course. Regarding radio links, this type of solution is very complex, and ultimately unreliable: it is to ensure that each wireless terminal is configured to cover a classroom without spilling over others, and to Professor permetttre to stop its operation as it turned out the light. Unfortunately, nothing prevents an external terminal to issue into the classroom.

For some, this type of approach amounts to "throwing the baby out with the bath water": the question is mainly to establish good practices, defining the place of the laptop in the course, and setting rules.

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Finally, there is nothing more than to lay down rules of conduct and politeness, that have nothing to do with the computer. Is it less legitimate for courts to ban the use of mobile phones for entertainment but to prohibit reading the newspaper?

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The transformation of the workplace in the company

Special Feature (5 pages) Les Echos of May 4, 2006

This issue attempts to draw a picture of this that will be the desktops in the coming years, with the issues involved in the function entry point into the information system of companies, competing operating systems and applications-oriented client, and volume of posts to be renewed regularly.

1 / first observation user influence on the development workstation enterprise is becoming increasingly urgent. Accustomed to using tools for extended functionality to their home, professional computer users increasingly expect to find the same services when they are at their desks.

equipment manufacturers and software vendors all have understood the interest to offer new technologies as a priority market for the general public. And WiFi, VoIP, USB keys, etc.. were initially seduced by the individual before winning in the workplace. With all the difficulties that accompany this trend: for example, setting up a WLAN company can in no way inspired by what everyone installs low-cost housing in its staff.

2 / Another topic of interest: the evolution Windows Vista promises with . Microsoft still plans to deliver its new operating system to January 2007. Even if otherwise, Gartner believes that this confidence is exaggerated comtpe Given the complexity of the system and the rate at which the publisher has accustomed us between beta versions, the versions "candidates" and the operational launch. Gartner estimates that Vista should be available in operational before May-June 2007.

Obervations All agree in all cases to consider that Vista will only work on machines "tough", even if only because of changes in the interface user fond of 3D effects and transparency.

One challenge for Microsoft is to ensure that Vista will be compatible with the greatest possible number of existing applciations.

At the same time as Vista, the workstation will have Office 2007, new version of Microsoft Office. With the risk taken by the publisher to shake the habits of users, by radically transforming the interface to its applications, starting with the standard menu bar, replaced by a context bar. Trainers should start rubbing their hands ...

For migration, it becomes clear that be wise to wait 12 to 18 months after the official release of Vista, before mass migration.

3 / the side of the Open Source , manufacturers believe that the golden age of free software is increasingly coming soon. The

Cigref believes that Linux is now heuteur the expectations of even the largest, but there is so far largely confined to specific populations ds for trades positions.

The fact remains that the changing habits of users is still a major obstacle to the adoption of Linux, let alone difficulties with document compatibility between platforms. The transition from Windows / Office to the free world seems to be cheaper, but they are not yet sufficient to convince. Probably because qu'elels are offset by adjustment costs still too high.

According to Gartner, the share of Linux in the Enterprise eétait 2% in 2005, 2.3% in 2006 and should rise to 3% in 2008 and 2009. At that time, Windows should represent 95.2% (including 47.9% for Vista). Not enough to cause a revolution!

4 / is probably in the field of applications that the disruption may be most important in years to come. The gradual emergence

and without fuss concepts of Web 2.0 will inevitably impose itself on the workstation. These technologies allow a workstation with a browser (Internet Explorer, Firefox ...) to connect to a remote application and download items from windows, to assemble them on the screen as if was a classic local application, have not finished revolutionize our work environment.

Companies can probably see the promise of long term savings in the investments: who said browser also called "thin client" more muscular configurations need to "turn" business applications: just access to the Internet with a standard browser, with the additional advantage of a single interface regardless of the application.

5 / But let there be no mistake: the publishers' interest is in reducing our cost of investment. It is mostly in a radical transformation concepts software licenses.

thin client technology can offer the user billing may vary depending on actual usage. Instead of buying a license giving rights to all software functions, we will only pay what we eat.

access to the basic software should gradually be trivialized and even free. By cons, access to essential services will pay off, and as needed. Probably a model similar to that of the telephone: a basic package for commoditized functions (local and national), and payment volume for the "extras" (international communications, value-added services).

question is whether this model is actually intended to produce savings to the consumer, or rather to ensure steady revenue for the publisher. After limited success of its Software Assurance Microsoft would have much interest in pushing this new system ensures greater continuity of sales.

This trend is in the air for several years and the developments that we live seem to confirm predictions that the analysts were already there are five or six years.

6 / last major trend of workstations: late single workstation. Computers office in vain to make smaller and smaller, we can not escape the proliferation of equipment. Farewell, then the dream of a computer to do everything, suitable for all regardless of need. First

laptops will grow at a rapid pace. Manufacturers are already planning to sell as many phones as fixed in the next few months. The "thin client" should also take off, reaching 10% of the park in 2008, even 20% in 2010. This acceleration is obviously not unrelated to the development of distributed applications on the Internet (see above).

More importantly, we must prepare to have to manage multiple jobs per person: dja some employees have a PDA and / or a "smartphone" that he'll have to take into account the business park. With a new challenge for lesentreprises: offering employees the same working environment regardless of the terminal, PC, PDA or phone.

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Which PC for Vista?

Lu "Microsoft Windows XP, the official magazine" , April 2006

"Windows Vista has been designed for modern architectures. He expects 3D graphics cards latest generation of multicore processors, and 64-bit memory bright 4 GB or more ... "

It will be difficult to run it on existing machines, not to mention portable! So it's not this time we will be able to enter the "thin client". And all for use 5% of Excel and Word!

Fortunately, the rest is comforting

"However, the system works on architectures honorably smaller (32-bit CPU, 1 GHz processor and 512 MB of RAM)."

We are reassured! Although it must agree on the meaning of "honorably". With the comfort offered by XP 1 GHz and 512 MB of RAM, it can be disturbed by affirmation. Unless Vista is finally less demanding than its predecessors?

You believe?

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professor claims students not to use their laptops during

Lu USA Today, March 21, 2006

Professor of Law at the University of Memphis, now asks his students not to use laptops in his classes.

The argument is simple: the presence of laptops prevents visual contact between the professor and his audience, and is a kind of defensive hedge between teacher and students.

In its arguments, the professor believes that students can take notes with a pen and paper. She added that she prefers that students think and analyze rather than recording the entire speech.

Students involved complained by petition interposed, fearing that the practice makes a snowball from other teachers.

Question: American students do not know can no longer write with a pen?

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Internet "space of freedom" or "lawless space"?

Riddle (another):

- This is a "fantastic area of freedom".
- You meet with unknown quantities of which we can discuss, have fun.
- There are also sources of information abundance.
- Everyone is expressed freely.
- While he is there sometimes overflows, trafficking and pornography.
- But this is an extraordinary school of life.
is ...

... ST.

But it could also be the Internet, which generally refer these claims by these times.

So the Internet must be what the Street is not: a place of lawlessness, where everything is free, any expression allowed, even at the expense of others?

Imagine Will we be able to grab a stack of periodicals in the front of the newspaper vendor, or music CDs in specialized departments, and free distribution to passers?

So, yes to the Internet "space of freedom", but as the street, with a minimum of rules, respect and protection of integrated ; interests of everyone!

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DADVSI: or how to make France a "no man's land" of information

After long and heated debates, National Assembly is about to validate the famous project

DADVSI: Draft law on copyright and related rights in society Information

and in particular Article 7 which states:

The technical measures intended to pre [...] ; expensive or limit unauthorized use [...] of a work, other than software, performance, phonogram, video recording of a or program, are protected [...].

[...]

The technical measures must not have FFECT to prevent the effective implementation of intéropérabilit & # 233;.

1 / Take the case of the music sold by Apple through its iTunes Music Store: Purchased songs are encoded in this way for only used with the iTunes software, or played on iPods.

Given the importance of this activity is for Apple, can we imagine that the builder will remove its integrated (Music Store - iTunes - iPod) protection measures that would open the door to competitors environments? There is reason to fear that "thanks" to Apple DADVSI is reduced to close his business on the French market . Consumers who thought they found their account may well be the ones to suffer DADVSI ..

2 / In a society where the economy is increasingly based on trade in agriculture, nor industry, but on that information, is it realistic to impose a Gallic village in our almost free of content.

And besides, why have excluded the software of the law? It would have been fun to also impose the interoperability of software: buy a version of Microsoft Office for Windows, and I'm able to install on all computers in my home, including my Mac and my Linux box!

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World Mad, Mad, Mad Web 2.0

Riddle ! What are

BubbleShare , Kaboodle, SixApart, AllPeers, Streakr, Wetpaint, PodServe, Zigtag, Valleywag, Newsvine, ZoomCloud, Snaptune, Memeorandum, Ether, Fold, Edgeio, Maxthon , Mabbs, Tangler, BlogBeat, Flyspy , Meebo, Foldera, BlogBurst, Campfire AllPeers, Podbop, Skickam, Ning 3bubbles, Flickr, Dabble, Songbird, Feedster, Megite , Gtalkr , Friendster, Pandora , Attensa, ZoomTags, Del.icio.us, Digg, FireAnt, Tello, BillMonk, Fleck, PodZinger, etc..

These are the names of some companies that develop at breakneck speed in the mobility of "Web 2.0. Each name corresponds to almost exactly at a site http://www. [The name]. Com where you can see ; the work one of countless innovations proposed by creative miracles, sometimes innovative and often amusing, sometimes useless or frankly absurd. All show a great imagination, including the logo design company that often seems to be the starting point, proudly displayed & # 233; on a home page "under construction"!

A sort of maniac by the name of Michael Arrington began to follow the "startup" creative day the day on Techcrunch , a site dedicated to the observation of Web 2.0.

A flus RSS allows children to stop reading every day about a dozen announcements of new concepts, from the micro enterprises, but also the changes proposed by the great names of the Web, as Google regularly launches new products, like Google Pages recently (to build their website without any programming) or soon Google Calendar (agenda conc ; u for Ajax, a new standard for interfacesweb "rich".

To learn more about the future of the Web (or is it the future Web?), Announcements about products before the availability of version " beta, a single address: Techcrunch

(This is not a paid advertisement e!).

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The user interface of the workstation will gradually change over the next three years

In a research note from January 2006, Gartner analysts expect profound changes in the user interface on workstations, but do not include major technological breakthroughs.

interface evolving

Thus, the concepts of windows "pop-ups and toolbars, considered & # 233; sidered a factor of disturbance for the attention of the user, should disappear Office in favor of a "ribbon" contextual point tool and Preview contextuelle.De same, Vista (the next version of Windows) will thumbnail previews and updated in real time, windows and dialogs less congested, and increased use of three-dimensional effects.

difficult to predict the effectiveness of these changes, but they should make a significant improvement in comfort and productivity, essential to the growth of Working multitasking and processing information in real time.

Vista also provides the "Sidebar" where User combines various gadgets (clock, RSS feeds, status indicators) already known followers of Yahoo Widgets (formerly Konfabulator) or aficionados of Mac OS X.

The animation technologies should also take an increasing role, to add a new dimension to information, this being particularly appreciated & # 233; the younger generation brought up with video games, MTV's visual richness and multi-mode information environments.

Restitution

These interfaces require resources "screen" of constant growth. This should see an increase in resolution and size screens, and extensive use of multiple screens. By age 5, 25-inch screens (or more) and a resolution of 1920 x 1080 should be commonplace, including multi-mode mobile phones display .

By 2009, screens many will be common, but in a "unbalanced". It is not uncommon to have a small screen displaying a calendar or status information, or screen "look" included in the keyboard , telephone or other device to display instant information, including outside a laptop when it is turned off. This should generate many new applications, such as displaying a calendar.

By 2010 the technology-based "electronic paper" displays should allow extra wide, monochrome and low resolution, integrated & co # 251; t limited removable walls or flipchart. In 2015, it should be possible to interact with a wall display with a gesture recognition.

Small displays at low prices should also transform the most common device: there is already a keyboard whose keys are with mini LCD screens, allowing the reconfiguration of the software keyboard.

The audio output should be valued more, packed with users around the world to support their business multitasking music and sounds. It should be expected to manage a proliferation and sound advise to use to avoid "chaos hearing.

Acquisition

Audio capabilities will grow natively in Windows, not only for voice control, or dictation, but also in using the computer as handset & # 233; VoIP.

Similarly, capture video should generalize, at least for the videoconference that for new applications. Office (and OneNote) are provided to manage the capture and recognition of text on paper directly on the user's desktop. The same camera can see that the user's browser arrives at his post and cause ignition of the computer, or pause when the user leaves. The energy savings generated could fund only to alles technology.

Major drawback: when you look at the computer and listening to you constantly, how do you know who listens to what the computer hears? Risks to privacy may be a barrier to widespread adoption.

While Tablet PCs are well developed with improved handwriting recognition, it was not until five years that we should rely on the recognition of a page of handwriting. Toutefoisle stylus is an excellent tool to point, click, copy and paste, and perform all sorrtes graphics.

Recommendations

- Do not get caught by waves recurring media (speech recognition, recognition the handwriting)

- Begin to consider the higher resolution widescreen displays to manage large quantities Information

- Thinking of modest changes to high impact: keypad dynamic tools integrated pointing keyboard (wheel of assistance to navigation)