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The quantum uncertainty in full
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Computing
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Quantum physics has accustomed us to a world without
certainties, but the demonstration of D-Wave Systems, which took place Tuesday,
February 13 has not finished raise questions.
It all began in early February when the company D-Wave announced the
submission date for this first commercial quantum computer. This area is still
highly experimental, the announcement makes a noise: it was believed that the
first real applications in this field would debarqueraient that in one or two
decades. And here is that D-Wave claims to have developed a prototype called
Orion, with 16 qubits, ie capable of performing about 64 000 calculations
simultaneously!
In the meantime, the quantum computer landernau custody while his
scepticism. Then comes the big day, the demonstration takes place. But alas, the
questions not lapse provided. No way to determine whether the claims of D-Wave
to revolutionize the science of computing are well founded or not. Grosso modo,
the demonstration took place in three parts: first was asked to Orion to find a
molecule within a pharmaceutical database, and then to organize guests at a
wedding banquet particularly complex and finally completing sudoku grid.
Orion has solved these problems fairly easily, but not faster than a good
old PC. The question that arises is therefore not whether Orion is more powerful
than conventional computers, contemporary: it is not. What you need to know is
whether or not it involves a new technology which, with time and a lot of
progress, will prove to be an unmatched power on certain types of problems. And
that's where we enter a fog. It is indeed difficult to know exactly what
qu'Orion made on February 13. In fact, it was not even present at the scene of
the demonstration. We could not see the huge machine that video, and we
addressed it through PCs connected remotely. More troublesome, D-Wave has not
communicated its methods by the media favorite researchers: Articles "peer
reviewed" (peer reviewed): they have behaved like a computer company introducing
a new model, and not not gone through the traditional channels of research.
Suddenly, you wonder if you're not in the reissue of a case as cold fusion or
the memory of water.
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Information technology must serve every citizen
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Computing
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Information technology must serve every citizen. Its
development must take place within the framework of international cooperation.
It does not affect a human identity, nor the human rights or privacy or
individual liberties or public.
This law applies to automatic processing of personal data, as well as
non-automated processing of personal data contained in or destined to be
included in files, with the exception of treatment implemented for the exercise
of 'Purely personal activities, when their head meets the conditions .
Constitutes a personal data any information relating to an identified or
who can be identified, directly or indirectly, by reference to an identification
number or to one or more elements of its own. To determine whether a person is
identifiable, it is necessary to consider all means to enable its identification
available or to which access may have the controller or any other person.
It is a treatment of personal data any operation or series of transactions
involving such data, regardless of the method used, including collection,
organization, storage, adaptation or alteration, retrieval, consultation, use,
disclosure by transmission, dissemination or otherwise making available,
alignment or combination, blocking, erasure or destruction.
Constitutes a file of personal data while stable and structured set of
personal data accessible according to specific criteria.
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Museum of science the discovery of rare specimens
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Computing
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The Museum of information technology has reopened
its doors to the Grande Arche de la Defense. It now hosts three exhibitions, the
most important devoted to the history and future of computing (from 1900 to
2020). ZDNet.fr there has discovered some rare specimens.
Among the ancestors of these computers include calculators 100% mechanical
dating from the late 19th century. These "computer" integrated keyboard with the
9 figures represented in each column. Columns corresponding right to left at the
units, tens, hundreds ... A computer can thus add, subtract and even multiply or
divide.
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Computing
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- From the Tools menu, select Internet Options.
- In the Internet Options window, click OK.
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Computing
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A style sheet language is a computer language used to describe the presentation of structured documents. A structured document is a document whose sections are clearly defined and categorized. A program presenting the document can present it in different styles because the content has been categorized. One modern style sheet language with widespread use is CSS (Cascading Style Sheets), which is used to style documents written in HTML, XHTML, SVG, XUL, and other markup languages. One of the most attractive features of structured documents is that the content can be reused in many contexts and presented in various ways. Different style sheets can be attached to the logical structure to produce different presentations.
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Computing
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When pages don't look very well, it is not always the fault of the designer. The browser calculates spaces and widths according to, among others, the text size settings. If the text size settings don't match the designer's settings pages can look weird. Here is how you can change the text to suit your need:
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Computing
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A Toggle Button
Image buttons responding to event handlers are great, not only for directing the user to other pages, but also to control graphical, or textual content.
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