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The invention of computer is one of the greatest advances in modern technology.It is a fairly recent invention.Computer is a substitute for the human brain.Computers are capable of doing extremely complicated works in all branches of learning.In a few minutes a computer can perform calculations that trained mathematicians would need years to complete.Now-a-days computer has become very sophisticated and it can be put to various uses.It is the most modern weapon of mankind to fight back all adversities.So it has greatly benefited us and brought about revolutionary changes in our life.
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