In many jobs around the world you wont be allowed to use a simple piece of paper to represent your company. You will have to be able to use powerpoint. You must be skilled at this technique so you will be successful in your presentation. If you do a poor job there are many consequences such as being demoted or even fired. Due to this it is crucial you learn how to use computers and powerpoint.

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In my office doing work. At my house doing work. When I need to research on the computer. Playing games on the computer. These are some of the things I would do with a computer when im older. Put work in. 

Learning about computer parts can help me in many ways. One of the ways this skill may help me in the future is putting them together when I buy one. Another one is not needing to depend on someone else for help when it's your responsibility to do it. Computers are a big part of everyday life now so you have to learn how to use them with skill. Chances are you will encounter computers when you are older so you might as well learn how to use them now rather than looking like a idiot when you grow up and need help with using the computer in your office.