Technology

Introduction Have you ever stopped to think about the amount and variety of the data that we generate and store each day? Banks, insurance companies airlines, telecom operators, search services online networks and retailers are just a few of the many examples of companies that…
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A scanner is a device of optical reading that allows you to convert images, photos, illustrations and texts on paper, in a format digital can be manipulated in the computer. For example, it is possible to to “pass” a cover of a magazine, or…
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No longer do you need if you close a room or an office to access the Internet and the main features that a computer offers. The increasingly common combination wireless networks (wireless) with portable devices allows the the use of these resources in any…
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With the popularization of devices such as digital cameras and MP3-Players, rechargeable batteries are increasingly sought-after. The main reason is the fact that batteries disposable they are expensive for those who need constant use of them. This article will show you the main characteristics of rechargeable…
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Introduction With regard to the hardware of the computers, we understand how the memory the devices that store the data with which the processor works. There are essentially two categories of memories: ROM (Read-Only Memory), which allows only reading data and not loses information in…
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Introduction The computers are formed by components that areperfected with the passing of time. The constant search for better performance includes several features, being one of them is the speed of data transfer between the devices. In this regard, the SCSI interface appears as one of…
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Introduction The use of mobile devices grows every day and this is making the memory cards are increasingly used. These devices have a certain storage capacity of data and are used for storing and transporting files from cameras digital, audio players, smartphones, etc. This…
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One of the technologies most used in the world of computing is the recording of CDS, whether data are of music. With the popularization of the devices, recorders, CD’s (a consequence the reduction of costs) this habit is each more and more common. This article…
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Introduction Buses (or, in English, bus) are, in a few words,patterns of communication used in computers for the interconnection of the various devices. In this article,you will get to know some characteristics of the main buses present in the PCs, such as ISA, AGP, PCI, PCI Express ,…
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The human is a being that lives in society, that is, not born to be alone. On a day-to-day we depend on each other for any situation. The problem is that we’re not born programmed to limit ourselves only to our jobs, the the same way…
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Also known as “motherboard” or “mainboard”, the motherboard is, basically, responsible for the interconnection of all the parts that make up the computer. The HD, the memory, the keyboard, the mouse, the video card, anyway, virtually all the devices need to be connected to the…
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Introduction The computers are constituted by a series of technologies that act together. Processors, memories, chips graphics and other devices evolve and improve the experience user. With items such as hard disks, DVD players or Blu-ray , and SSD drives it could not be different. Interface SATA (Serial Advanced Technology Attachment) is the…
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Introduction As the name suggests, the memory is DDR2 (DoubleData Rate 2) is an evolution of the memory DDR. Among its main characteristics are the lower consumption of electric power and higher rates of speed. In this article, you know more details of the memories DDR2…
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Until recently, the most feasible options for listening to music was vinyl discs and cassette tapes. However, the Philips, in association with other companies, developed the Cd (Compact Disc) audio (with a sound quality excellent), and then, this type of media has become the most…
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Introduction Both the Inteland the AMD have already put in the market processors that work the 64-bit. In a few years, this chip type will be the default. A lot of people know that the models 64-bit are better than 32-bit, and this article proposes to show exactly how and…
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Introduction Have you ever stopped to think about how your computer or the smartphone is unable to access pages on the web? Or, at the company that you works, how your PC communicates with the machine someone on another floor? This is possible because,both…
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Introduction The hard disk or HD (Hard Disk) – is the device permanent storage of data most commonly used in computers. In it are stored from the your personal files up information used exclusively by the system operating. In this article, you will know a little of the…
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Introduction The world of electronic games may not be what it is today, the Nintendo it did not exist. For many people, video game is synonymous with Nintendo and for so many others, the games would not have so much grace if it were not…
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Introduction The market today with a wide variety of printing technologies, everything that is possible to pass to the most diverse types paper and fabric work carried out on computers or specialized machines. With regard to the segment of personal computers, the printers,…
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Introduction Today, the labor market requires a basic knowledge of computers, not only with regard to the software, but hardware also. It is important to know, for example, what is a HD (Hard Disk), what is the processor, which function of memory RAM, and…
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Introduction In the article Processors – Part 1, the most basic concepts of a processor were discussed, such as clock, Front Side Bus (FSB) and cache memory. In this second part, you will learn about other concepts related to processors, such as miniaturization are taking and encapsulation. However, the most important thing…
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Introduction After the keyboard, the mouse is the device used for the execution of the most varied of tasks in a computer. In essence, the mouse nothing more than a device that controls a cursor (or pointer) on the screen of the machine, serving…
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Introduction The processors (or CPU, Central Processing Unit – Central Processing Unit) are chips responsible for the implementation calculations, logical decisions and instructions that result in all the tasks that a computer can do. For this reason, are also referred to as the “brains” these machines. Although there may not be a…
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Introduction The development of computers, increasingly fast and efficient is a constant need. With regard to the segment of computers personal, this need for evolution is encouraged mainly by applications such as games, videos high-definition and broadband Internet. With regard the graphic areas, the advances are amazing, however…
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Introduction The virtualization is present in both on the desktop of an enthusiast for the subject and in the IT environment a multitude of companies of different areas. This is not of “fashion” or a mere whim: thanks to this concept, it is possible, among other benefits, save…
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Introduction Computer viruses are small software able to cause major disruption to individuals, businesses, and other institutions, after all, can delete the data capture information, change, or prevent the operation of the operating system, for example. As if that wasn’t enough, there are still…
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Social engineering is one of the most used ways of obtaining of confidential information and important. This is because it explores with a lot of sophistication to the “failures of security of the human”. Companies invest fortunes in security technologies information and protect physically your systems,…
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Introduction In the early days, computers were able to display only lines text. With the constant improvement of resources graphics, both hardware and software, shapes, and colors varied became part of the routine of those who use these machines, a situation that, gradually, resulted in…
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LILO is the acronym for LInux LOade. This is a program that allows the use of two or more operating systems on the same computer. The tool has a series of instructions to manage the boot sector (boot) HD, allowing that if you boot the computer from…
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Introduction The Tar and gzip are two tools used in operating systems based on Unix, like GNU/Linux, for the “packaging” and for compression of files, respectively. Although it is perfectly possible to use any of these programs individually, the the use of both at the same time it is…
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