Computer is a wonderful invention of modern science. It is an ultra modern electronic device for storing and analysing information fed into it. It has no capacity to do anything by itself. it works on the basic of commands given by the operation.
Computer was not invented overnight. It look long time and hard labour to invent computer. Many votaries of science worked hard. First of a;; Pascal invented the theory of "Digital Calculating System" in. 1642. Though his attempts were not crowned with success, he initiated the research which paved the way to the invention of computer. Finally Mr. Haward Akin, an American scientist invented such a machine in 1937 that could do difficult sums. So the credit for the invention of modern computer goes to Haward Akin.
A computer consists of five major components. They are the input unit, the output unit, the memory unit, the control unit and the arithmetic unit. A computer performs three functions, such as it receives data, processes data by various computations and emits data.
Computer is of great use to us. It renders great service to mankind. It is like Aladin's magic lamp or magic wand. It has lessened our work loads and made our life easy and comfortable. It used in our daily life for various purposes.
Computer is a medium of education in developed countries. The students of the developed countries use computer to prepare their study materials. They learn many things within the shortest possible time. Results of various examinations are prepared accurately with the help of computer within the shortest span of time.
Nowadays, in developed countries computer is used to diagnose a disease. A newer process of operation has been invented by computer as an alternative of surgery. It is used to grind stones in normal pathological testes. Today computer is used in the fields of agriculture in the developed countries.
Nowadays business, commerce and tread can not be thought of without computer. It does wonder. It is used to prepare documents, to make lists of goods. store information and to prepare budget etc.
Today printing can not be thought of without computer. It is an indispensable part of printing. Thousands of books are composed with the help of computer within a very short time. In the developed countries computer is used to run miles, factories and industries. Trains and Planes are run by the computer.
Computer is a source of great income. Many government and non-government offices, educational institutions are using computer. A course on computer has been introduced in secondary and higher secondary leaves. The day is not far to come when computers will be used in every sphere of life.
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