Computers are helpful because they offer a wide range of functions and services that are not available anywhere else. There are four main uses: word processing, internet/communications, digital video/audio composition, and desktop publishing. Although one can create a typed paper with a typewriter, the computer has more features to do it with. Internet and communications, digital video and audio composition, and desktop publishing are all features that are only offered on computers. With these tools human society has progressed exponentially.
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