Why USB Drives Are So Popular

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The versatility and increasing storage capacities of memories in USB format are directly responsible for the success achieved among all users. Possibly, if there is one thing that every user of technology is to possess matches one or more USB keys. It is really difficult to find someone who, moving between computers, do not have a, and with the arrival of the recorders and TV tuners that support this format, even have been slowly taking over the room at the expense of recordable DVDs or the distant and VHS tapes in our memory. Likewise overcome are the days when we carried information on floppy disks (floppy) with the once ubiquitous floppy 5 1/4 first and 3 1/2 later. With them, in the best case, we obtained 1.44 MB maximum storage, a ridiculous amount for today’s needs and, at least at that time, were sufficient to act as a boot disk operating system. In 1998,

Apple became the first company to dispense only betting floppy drives and other media such as optical disks, but the agony of this format still lasted a few more years, until in 2005 there were just new computers incorporate this option. But truly replace support USB keys is to blank disc. While initially was complementary use, due to the still lower skills and less profitable USB memory prices, today categorically have been imposed.

Their great advantages: they are lightweight, tiny and very practical, and eventually leave cheaper than rewritable optical discs, not to mention easier to insert or delete data against such a format. For use, the number of writes and erasures of flash memory ranges from 10,000 to one million, ensuring a long service life. If we focus on their abilities and uses, the most widespread is the storage of data, but other as recording television broadcasts or playing music are also very common. It can also be used as a boot drive or operating system, since the arrival of Windows Vista, to supplement the RAM by the grace of the technology. In this way, we will use the USB key as cache instead of resorting to virtual memory on the hard drive, something advantageous to operate at a significantly higher speed and increases the overall system performance.

Multiple capabilities: As happens in many other fields of computer science, it is common that as the months go go bending the numerical values (in this case, GB) and there is a gradual reduction in costs. So, if you spend a half decade Gbyte storage was unprofitable and was available to only a few, at the time of this writing the most interesting option for capacity / price are the 8 GB, 16 GB and with their heels. In the market we find starting average prices of about 9 and 19 euros respectively. Instead, to capture a memory capacity of 32 GB and you have to make a major investment (slightly above 40 euros), while interesting to some users that require more space. Capacity the rest would come to replace what until recently served us as an external disk (64, 128 or 256 GB), but should wait for more affordable.

NAND Flash Technology: But what hides behind flash memory to make them much more attractive than external hard drives? The technology that brings this plus answers to the name of NAND Flash. In fact, it is also responsible for that modern solid state drives (SSD) are called to replace the old traditional hard drives (HDD). Some of its main advantages are its major operating speeds, better overall performance and a resistance above, plus smaller sizes to provide without moving parts. In the latter case, the service life is also extended, because any bumps or falls to resist better and reduces the risk of damage to the parts. In addition, while the HDD based on the rotation of the magnetic heads, they record and read data in circles, access to information NAND Flash technology is instantaneous, eliminating bottlenecks.

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