Man's scientific knowledge is vast and advanced. It has heped him discover and invent many things for his comfort and efficiency. The computer is the latest and the most brilliant child that man science has given birth to.
Charles Babbage first developed the difference and analytical engine. This machine could not be put to practical use because technology was not very adventage . About forty years later , George Boole invented the logic system that is the basis of today's computer.
Transistor technology gave a boost to the second generation computers . These were smaller in size, had a higher speed of operation and were mor reliable . Today the scientist are developing fourth generation computers, which can think and decide like experts.
There are basically three types of computers. They are Apple Macintosh or popularly called the Mac, the IBM that stands for International Business Machine and the Super Computer . The IBM and the Macnormally have the same function but people use them as per their preference. Some perfer the Mac while the other may perfer the IBM. The Super Computer is not freely available in the market . It is owned by some of the superpowers like Chine, USA,Russia,Japan,UK, France and India . These computer are normally used for developing rockets and missiles and thir guidance system.
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