Computer is an artificial electronic device create by the man to work easier and faster. It accepts the data and information around our environment and process them to give output result, which is useful to the user. It is the most powerful and advanced device till date.
It comes from Latin word "Computare" which means to calculate. That’s why we can say that it is a calculation device too. It is being used in every step now a days, such as in School, Universities, Business house, firm, industries, offices etc.
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