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what helped for the development of computers

What helped for the development of computers ?
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A computer is any device used to process data according to a well-defined procedure.
Initially, the information processing was almost mathematical problems, but modern computers are used for various other tasks.

The history begins with the story of the computer calculation. The man always wanted to use tools for larger and more complex calculations. Abacus has been used for centuries as an accounting tool.

World War II provided the motivation for much research in computer technology, especially for applications in cryptography. The first computers were actually used during wars to unravel secret codes.

Initial operations of the computer was cumbersome due to the use of punch cards and unreliable vacuum tubes. Technological breakthroughs that alleviate these problems are magnetic storage media and transistors. The use of integrated circuits have made ​​further progress.
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