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| The history of computer |
It is difficult to imagine a world without computers, and few people think, but that is actually what we call intelligent machines. And certainly no one knows how these machines have become intelligent. For many people, Artificial intelligence and the computer that is on your desk is the same thing. But what enlightened people, we know that before the mind, or even a dog of any of the smart car is still far away. Purely for reflection: in the brain of living beings is the parallel processing of video, sound, taste, feeling, etc. not to mention such basic things as the thought process that accompanies many of the birth and until death, I apologize to those who visited the "This is not grace. Thus any breakthrough in information technology occur as a particularly outstanding. People want to create a younger brother, who thinks if you have not yet, at least to know them quickly. It is clear that any gigahertz not measure unique human brain (and I would like to J), but no one measure, the course work of a brief excursion into the recent past, and of course, unknown in the present development of the main part of the computer, his brain, his heart, his CPU.
The first device.
About that, when mankind learned to believe we can build only speculate. But it is safe to say that for a simple calculation, our ancestors used the fingers, the way that we have successfully used up to now. What to do if you want to remember the results of computations or calculate it by more than the fingers. In this case, you can make a dent in the wood or bone. Probably so, and were the first people on the show and what the archaeological excavations. Perhaps the most ancient of these instruments is considered to be found in bone score found in the ancient village of Doln? Vestonitsi in south-eastern Moravia in the Czech Republic. This subject has received the name vestonitskaya bone allegedly been used for 30 thousand years BC. e. Despite the fact that at the dawn of human civilizations, were invented quite complicated system of calculating bills for using zasechek quite there yet lasted long. So, for example for 2 thousand years BC kneeling statues of Sumerian king was carved Goud? ruler, divided into sixteen equal parts. One of these parts was in turn divided into two, two into three, the third of four, the fourth of five and the fifth in six equal parts. In the fifth of the length of each division is 1 mm. This period was the start of commercial applications of electronic computers for data processing. At that time, computers were used electron tubes, and external memory on a magnetic drum. They catch the wires and have access time of 1x10-3. Production systems and compilers have not yet emerged. At the end of this period have become available memory on magnetic cores. Reliability of computers of this generation was very low.
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