These days, I don't think our lives would be complete without computers. Computers already take up a large part of our lives, for instance when we use word processers, Photoshop, CAD, etc. Many computer programs improve our work. Computers help us improve our work by doing fast calculations and easily saving files for us. How many hours do you spend on the Internet? Computers have changed our lifestyles because of the Internet. Also, computers provide many new forms of entertainment, like computer games, chatting, YouTube, etc. Finally, computers have helped us create easy-to- control machines, as well as automation and mechanization of many tasks. For all of these reasons, I think the computer is the most important invention of the 20th century.
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