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Today, we take for granted that we have one machine that allows us to assess the interent,do word processing,use a calculator,watch tv,play games and do a host of other things.But the personal computer only became available to consumers in 1974.Things really took off when Microsoft Windows was introduced in 1985 and its a good that it was since without the prevalence of personal computers,the internet wouldnot have had nearly as big an impact as it has ever since.
Today there is no important sector where computer is not used.