History of Computers
Computers are such an integral part of our society that it is sometimes difficult to Imagine life without them. However, computers as we know them are relatively new devices. In fact, the first electronic computers were built just over fifty years ago. Since that time, the technology has advanced at an astounding rate, with the capacity and speed of computers approximately doubling every two years. Today, pocket calculators have many times the memory capacity and processing power of the mammoth computers of the 50's and 60's. The abacus, which emerged about 5,000 years ago in Asia is still in use today, may be considered the first computer. This device allows users to make computations using a system of sliding beads arranged on a rack. In 1642, Blaise Pascal (1623-1662), the 18-year-old son of a
The transistor replaced the large, cumbersome vacuum tube in televisions, radios and computers. Development Of Computers: Computers were developed to make human life easy. This increased funding for computer development projects. As a result, the size of electronic machinery has been shrinking ever since resulting in the creation of new small computers with new transistors and new technology. By the 1980's, very large scale integration (VLSI) squeezed hundreds of thousands of components onto a chip. The history of computers can be divided into generations, roughly defined by technological advances, which led to improvements in design, efficiency, and ease of use. But it made work fast, easy and with fewer errors. It has made life a lot easier and has done a lot of things for the community. Computers did the work quickly, efficiently and with fewer errors which normal people use to do it with many errors. Second Generation Computers (1956-1963) - In 1948, transistors were developed which greatly changed the development of computers. The only negative impact computers had was that some people got laid off because new computerized technology was taking over and they were fast, easier and efficient which resulted in people losing their jobs. Third Generation Computers (1964-1971) - Though transistors were clearly an improvement over the vacuum tube, they still generated a great deal of heat, which damaged the computer's sensitive internal parts. French tax collector, invented what he called a numerical wheel calculator to help his father with his duties. They were first developed for defense purposes and later on people recognized the importance of the computers and started using in daily life. Fourth Generation Computers (1974-present) - After the integrated circuits, the only place to go was down - in size, that is.
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