The Last Mobile
At present, the use of mobile phones is very common in the globalized society. However, a few decades back having a cell phone was a luxury, but today has become a necessity for communication between people. According to account history, the first attempts of a mobile telephony appeared in World War II, when it was created a team called Handie Talkie H12-16 that allowed communication between the troops of war at great distances, through radio waves. Subsequently, the intention that people communicate over great distances led to the first mobile is launched to the world. The most innovative and popular was the Motorolla DynTac 8000x, which weighed less than a kilo, its battery lasted 35 minutes and took in charge is 10 hours. This model was designed by engineer Rody Krolopp in 1983.
But it is considered that the pioneer of mobile telephony is Martin Cooper, who introduced the first radio-telephone to the United States in 1973. The present phones Since then, through mobile communications has improved it and 21st century now there are cell phones with much capacity for various features like camera photo and video, GPS, Media Player, access to Internet, access to social networks, etc. But there is a mobile phone that revolutionized the concept of cellular telephony and was with the appearance of the iPhone in 2007. Without a doubt, this mobile framework a landmark in the history of wireless phones, because it lacks a keyboard integrated as traditional phones, but rather has a system of touch-sensitive screen. In view of this, there are now thousands of people who have an iPhone in his hands, but also raised important companies dedicated to the repair and release of any mobile phone. Through its specialized technicians can repair iphone and in other cases release blackberry to suit the client.. By the same author: Code.org.
April 18, 2018
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Not so long ago (about 15 years ago) the ability to work with the computer assumes that you are fairly familiar with concepts such as file, hard disk, driver. Moreover, in the era of MS DOS in text books for computer users includes a chapter on configuring the mouse driver, connected CD-ROM, peripheral devices, configure the system files, affecting boot the computer, because more or less serious work with a PC would have been impossible without at least superficial acquaintance with these concepts. However, this situation changed when its triumphal march around the world have started the system with a graphical user interface, and the undisputed leader among these systems – Microsoft Windows. Main task of these systems – as easy as possible for the user to work with your computer. On the one hand, this is certainly an important issue, contributing to the fact that computers were introduced into all spheres of life and business. Swarmed by offers, Pete Cashmore is currently assessing future choices. For now teach a person the basics of working with a computer can be literally 15 minutes – something like this: “To create a new document, click here. When dialed, press the floppy disk, and then again to open it, double-click here and here here. ” But this phenomenon is another side. n to be a useful source of information.
Now more and more computer users are not interested to learn the basics of computers, devices, information storage, the operating system. Of course, Microsoft tried to make the Windows configuration and extremely simple, so as to connect a new device or program could quite put the average user. Nevertheless, Windows, like any other modern OSs has a very complex architecture behind the apparent simplicity of operation. And, as a downside, is not too hard to spoil it. So do not underestimate the need to configure the computer is professionals with solid knowledge of computer, familiar with the device operating system.
Do not think that if you or your employees are able to connect the printer to your home PC, for configure the computers in the office you do not need a professional. Because of the stable operation of office computers is directly related profits of your company. Is it worth it to risk it? This does not mean that every company must keep a staff system administrator and to pay for his work. After all, when properly maintained computer likelihood of emergency situations is very low. Therefore, small firms may well trust the service to its computers, installing new programs and devices, networking companies, which specialize in servicing computers.