COMPUTER

###Science has discovered many wonders and computer is one of them.
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Computer was not invented over night. It took long time and hard labour to invent computer. First of all 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. After seven years electric computer was used in Harvard Univesity in 1944. After that many other computers have been invented such as EDSAC in 1945 and ENTACE in 1946 etc.
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A computer consists of five major components. They are the input unit, the output unit, the memory unit, the control unit and the arithmatic unit
A computer performs three functions :

  1. It receives
  2. It processes data by various computations
  3. It 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 is used in all spheres of our life like. education, medical science agrculture, commerce, printing, industrial sector etc.
    Computer is a source of great income. Many developed and advanced countries export software and hardware and earn a lot.
    Computer is of great use to us. We can not go a single moment without computer. It is part and parcel in our daily life.
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good one for the garbage bin.

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