Cloud Computing
It is very hard to imagine a world without computers! Everywhere you look computers are at work attempting to provide one service or another and make our lives easier. Computers, in one form or another can be found in vehicles, from cars, trucks and motorcycles to larger scale methods of transportation such as airplanes and trains. They are in your television set, your VCR, etc. But when we conjure up the image of a computer usually our first thought is of a PC, otherwise known as a personal computer. Personal computers have completely revolutionized the way the world, lives, works and conducts business. Strictly-speaking, computers arrived on the scene way back in 1936 when one Konrad Zuse produced what was then called the Z1 computer. This was a cumbersome machine that could perform simple calculations and also crunch simple data. This was not as sophisticated as what we have today but it served to set the foundation for further research and development. Over the years, the computer underwent several radical changes and finally arrived as what we use today in over daily lives in the form of laptops and desktops. Computer is and probably will be the single most important invention in the history of mankind. The adoption of the PC by businesses in the1980s dramatically altered the staid world of technology, characterized by "big iron" mainframe computers that once took up entire offices, even buildings! The emergence of the Internet in the 1990s and the more recent improvements in affordable and reliable Internet bandwidth to the public has given birth to a generation of applications for the Web, like search engines or online banking systems, that present completely new ways for people to find and share information. With the rapid adoption of mobile phones, people have become more and more accustomed to staying constantly within reach of their friends and families. The constant connectivity fed the growth of social technologies, like Facebook and Twitter,
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