Color has important psychological and visual effects on the audience
Answer:
In the View tab, you will find Zoom Option. Set the Zoom level to 100%.
Explanation:
You need to set the Zoom level to 100%, And you can do this, by setting the zoom level to 100%, from the scroll bar. Or you can move to view tab in the main menu, and then in the Ribbon, you need to select the zoom % and set it to 100 percent. You will then be able to see the entire page. And if you want, you can increase the Zoom level to even further, for getting an even more clearer picture.
This totally depends on what they need and what they are willing to spend. If they just need access to google docs/ sheets etc for example (so just the web with a web browser), either Linux / Un*x or Windows will do and linux is the free choice. If they want to be part of the microsoft ecosystem or use some windows specific software they will need to use Windows or an emulator in Linux.
I would not recommend MSDOS in this day and age.
Answer: One is smaller than the other.