The history of computers.

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The history of the development of computer technology.

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The first calculating machine.
At all times people had to consider

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The first computing machine.
In the late 19 century Herman Hollerith in America, invented the tabulating machine. They used punch cards for storing numerical information.

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The first computer —

universal machine for the vacuum tubes constructed in the United States in 1945.

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The first computer in our country
In our country the first computer was created in 1951. It was called MESM — a small electronic accounting machine.
Designer MESM was
Sergey Alekseyevich Lebedev

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Computing equipment can be divided into generation

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Second generation

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Third generation
They were called integrated circuits (IC)

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Fourth generation
A microprocessor is a miniature brain, working on the program laid down in his memory.

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Fifth generation
  This machines of the near future. Their main quality should be a high intellectual level.

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These machines are so firmly entrenched in modern life that without them is almost impossible.