A:AnswerHere is a link that explains the difference, that may be helpful: http://www.howtogeek.com/196541/emmc-vs.-ssd-not-all-solid-state-storage-is-equal/
A:AnswerIt will always update automatically to the latest version. Google updates it frequently. Updates are seamless and quick. They are well past 53, and you can get access to the Google Play Store.
A:AnswerThis is a great computer for a high school student to use for school work. You can use Google Docs to do most of the basic things that Microsoft Office does. No viruses and no problems with the operating system. Make sure to watch a video about a Chromebooks before you purchase, because this isn't a Windows computer.