Computable Minds
Blog of popular science about the more exiting branches of computer science.
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Sorted by "Less negative votes"

visits

218

votes

15

Posted on: Aug, 13th 2010
Fragment of an entity relation schema
Unfortunately a lot of people, thinks that design a relational database is something very simple and that anyone that have a pair of classes of Microsoft Access in a academy can dedicate to it. But doesn't occur the same when instead of a database the work is about design a flat, an airplane or a car. In all this cases the people knows that needs an architect, an aeronautic engineer and automobile engineer, respectively. But who has the guilty of this way of think? Read all about of "Why a database can't be designed by anyone?"

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214

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23

Posted on: Aug, 27th 2011
blue screen of death
There are computer systems that can be danger to human, and when one of these system has not passed the necessary tests, then can occur mortal errors. Here I'm going to comment some of the software errors that more deaths has been left. Finish reading "Mortal computer errors"

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97

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24

Posted on: Sep, 25th 2011
dumb software questions
A lot of people think that a computer specialist is someone that knows how use all the software that exists and have been existed on the world, in any operating system of any kind of computer or movile device. Can be an architecture sorftware, photographic retouching, accounting or the management software tailor-made only for his enterprise, don't mind!, as is a computer specialist, has to know use them. So that they think that the computer specialist will answer then they question anything related with them. Continue discovering "Dumb questions about software"

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135

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14

Posted on: Oct, 22nd 2010
The private enterprises and the public administrations in Spain lead a lot of time having to pay a digital tax to the SGAE (an entity seemed to the RIAA in America or PRS in UK). From now they haven't to do it and they can demand the SGAE the money of this illegal tax. But the Spanish govern isn't the responsible that has avoided that the SGAE had collected the money, but a demand of a computer shop that have arrived to the Court of Justice of the European Union. Read all about of "The digital tax in Spain illegal for the enterprises"

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366

votes

54

Posted on: Sep, 3rd 2010
Binary code
There is a big lack of knowledge about how is measured the quantity of information in a computer. It is a fact that storage device sellers and Internet providers have take advantage to cheat us. Also, not a lot of time ago was changed the nomenclature of the international system of information units generating even more confusion. Continue reading "How they swindle us with the Megabits, Megabytes and Mebibytes"

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256

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29

Posted on: Sep, 14th 2010
Hz is not equal to Mbps
How many times have you hear, told or wrote the expression X megs of bandwidth. I'm sure that a lot of times, because the continued use of this phrase, have been converted in the regular way of talking of all the people and is totally incorrect. Something seemed happens when say that we weight 154 pounds, being the pound a unit of mass and not of weight. We must say: "I weight 70 kiloponds" or "I weight 154 pounds-force". Follow reading if you want to know why the case of the megs of bandwidth, also is incorrect. Don't stop reading the rest of "The Megs of bandwidth doesn't exists"

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869

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24

Posted on: Aug, 17th 2011
Tshirt I steal your neighbour WiFi
There are a lot of people that kindly shares their connection with the neighbours, but there are a lot of more that do it without knowing it. In both cases this supposes a security risk. Don't left of read the rest of "How to stop WiFi hackers?"

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724

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26

Posted on: Oct, 1st 2010
Phosphorus of a CRT screen
The screensavers, theoretically, serve to protect the monitors from the deterioration of the quality of the screen produced when you leave an image fixed during a lot of time. With the abandon of the CRT monitors in favor of the TFT-LCD, the screensavers leave of be useful, but a lot of people follow believing that still serve to save the screen. Continue discovering "Screensavers. Save they my screen?"

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580

votes

23

Posted on: Jun, 9th 2013
linked data - semantic web
Tim Berners Lee, inventor of the Web, from the beginning wanted that his invention was semantic forming a global data base of the human knowledge, in which the information could be consulted by all the world and understood by the machines, to generate new knowledge, answer questions and create artificial intelligences that could surpass the Turing Test. This idea begins to become true, but first have to overcome several difficulties that I'm going to expose next. Read the rest of "The problems of the semantic Web"
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