Technology

Introduction The memories DDR3 (Double Data Rate 3) arrived in the market to replace the standard DDR2, such as this replaced the DDR type. The motivation of this change it is, as always, the need for better performance. In this article, you will see the main features of…
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Introduction The technology Universal Serial Bus (USB) is synonymous with of convenience and efficiency, after all, this is a standard that allows the interconnection of devices of the most varied types. However, there are increasingly more devices that work with large volumes of information and, consequently, in…
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Introduction The technology Blu-ray is the standard of the optical disk that came up with the proposal of replacing the DVD, both video players and computers. The measures a Blu-ray disc (or BD, for Blu-ray Disc) are the same as that of CDs or DVDs, however, this media is capable…
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Introduction The entertainment industry has accomplished great things in the with respect to the technology of execution audio and video. Today, it is already possible to have in the house a “private cinema”, using, for example, televisions or projectors high-definition along with an audio system powerful…
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Introduction The video cards are hardware responsible for the generation of images that are displayed on the screen of the computer (including video games, smartphones, etc.). There is so much variety of cards with so many distinct features that it is essential know at least the…
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Introduction As responsible for the AbbreviationFinder, I, Emerson Rosemary, I answer with some frequency questions such as “can I publish your articles on my site?” and “what business is this of Creative Commons?”. A question has no relation with the other, after all, I apply a…
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Introduction At the beginning of 2009, a system of virtual currency called Bitcoin was released and, since then, has been representing a large revolution in the means of digital payments. The main ingredient of the success of Bitcoin is a system of record that was a…
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Introduction The USB standard is the most widely used for the connection of devices varied to the computer, but the industry also been giving great prominence to the technology, FireWire (or IEEE 1394 or, still, i. LINK). But, what is FireWire? What this technology has as a differential? Who is behind of your…
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Introduction When Linus Torvalds created the Linux, certainly not I knew of the importance that this project would have for the world of computing and the Information Technology (IT). Thanks to his initiative, the Linux is present in hundreds of thousands of servers,personal computers and portable devices…
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Introduction You must have already heard of Internet of Things. Can to be sure: you will hear a lot more. The term describes a scenario in which many of the objects in your day to day will be connected to the internet and communicating with each…
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Introduction To carry out banking operations by the Internet (Internet banking) is synonymous with convenience and, many times, the economy: among other advantages, you do not wait in line, it can carry out transactions in times or dates that the agencies do not work and, depending on…
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Introduction SPAM is the name given to unwanted messages that arrive by e-mail, messengers such as WhatsApp, social networks, areas of comments of blogs, and so on. The practice of SPAM is so common that it is virtually impossible to avoid you to receive…
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Introduction Even people less familiar with the technology know that the the Internet is not a “territory” free of hazards. It is for this reason that it is important to know and use the tools protection for computers and networks. This text addresses one…
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Introduction One of the things that makes it secure the operating system GNU/Linux (in fact, any Unix-based system), is its requirement that each thing has the owner and permissions of use. Thus, to be possible to restrict or allow access to, and use of…
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Introduction The memory is DDR (Double Data Rate) is the default, which replaced the traditional memories SDR SDRAM (further referred to as “memories SDRAM” or, still, as “memories DIMM”), being very well received by the market especially in the segment of personal computers. But, what made it so…
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Introduction The messages considered to be phishing (or phishing scam) are among the biggest dangers of the Internet. These attempts of fraud arriving by e-mail, social networks, WhatsApp and the like, and may result in serious consequences to victims, especially financial loss. Is to help you…
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Introduction The evolution of technology, the heating — or the slowdown — the economy, the increase in the supply of credit and reach new markets are among the factors that increase significantly the competitiveness of enterprises. To continue growing, all companies need…
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Introduction Operating systems based on Linux there are the mountains, with some of them being quite popular as Ubuntu or Fedora, example. There are many people that use these systems in their personal computers, but it is easier to find them in corporate applications(servers, terminals,…
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Introduction The name says it all: the sound cards are the devices responsible by providing the audio generated in your computer. At the beginning of the the era of PCs, this item is not existed – the only device sound present in some computers…
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Introduction The Internet is a medium of communication fantastic: with it, we can do shopping, meet people, study, etc. But, being so comprehensive, the “world online also can offer the dangers of various kinds. One of them is the hoax, a term used to designate rumors that…
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You enter an online store, only gives a look at a certain product, and exits. Times later, you receive an e-mail that the same store with a link to continue the purchase. Many times, the message comes up with your name. There’s just…
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Introduction DVD is the acronym for Digital Versatile Disc or The Digital Video Disc. It is a media for storage of data that is also widely used for distribution of films. In this text, you’ll learn the the main types of existing DVDs – DVD-RAM, DVD-ROM, DVD-R, DVD+R, DVD-RW and…
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Introduction The permissions are one of the most important aspects of Linux (in fact, all Unix-based systems). They are used for various purposes, but serve primarily to protect the system and the files of the users. Manipulate permissions is an interesting activity, but complex at the…
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Introduction The video projectors allow the display of the screen the computer (or other device) in a manner enlarged on a wall or on a screen appropriate. In this way, it is possible to all are present in the environment to watch presentations show,…
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Introduction More than simply store data, solutions storage should provide access to information efficiently, in a timely manner and, depending on the case, offering some kind of protection against failures. Is at this point that the systems RAID (Redundant Array of Independent Disks) come into action. In the…
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Introduction Bogus offers of employment are common in any season, but increase considerably in times of economic crisis, after all, the number of layoffs it makes a lot of people search for vacancies desperately. Many “rogues” take advantage in this situation to apply scams with…
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Introduction In this second part, about understanding and use of permissions on Linux, we will work with the command umask, chown , and chgrp. The first command allows you to manipulate the default permissions (default) the system, the second is used to change the owner file or…
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Introduction Ransomware is a type of malicious software (malware) created with the order to block access to files or systems only release them after the payment of a specified value. It is as if it were a kidnapping, but virtual. In the next lines, you will…
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Introduction Credit cards are synonymous with practicality. With them, you can pay for expenses without having to walk with cash or cheque and, in online shops, many sometimes it is possible to receive the product more quickly by confirming the payment in the act. Criminals…
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Have you ever wondered what would happen if the system of your bank to stay hours without work? What would the consequences be if your Internet service provider Internet access lost data of their customers? Already he thought about the chaotic situation in the city…
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