[Erin Kesterson]

Four Different applications would be Microsoft which has vey many different applications like power point and word and slideshows and much more. Second would be windows which allows the computer systems to do many different approaches to connecting to different areas of the network. Third I would have to say would be Linux it runs our mobile devices and then there is chrome which is the one I use the most it allows me the resources I know where and how to find which paths is best to use and take.