Answer:
Yes, almost any device is if you use it for educational purposes.
Explanation:
A antonym for "old fashioned" is new, because when something is old fashioned, it's usually old, and doesn't look in a good state, while something is new, it looks better than something old fashioned, or up to date
I hope this helps! :>
Using short sentences makes the author sound rude. using run-on sentences makes the author seem super talkative. I suggest use medium length sentences to set the tone.