If you are asking what OS the Nexus 10 uses, it is the Android OS (4.3--Jelly Bean).
nexus 10
With fairly high-end specs, a competitive pricepoint, and a "pure" stock Android operating system built in, the Nexus tablets (both Nexus 7's and Nexus 10) are considered good buys.
You would need to check with the manufacturer on that, which in the case of the Nexus 10 is Samsung.
Ultraman Nexus was created on 2004-10-02.
Yes, the Nexus tablets (Nexus 7 and 10 currently) allows for texting, provided you are connected wirelessly or have a Nexus tablet that has cellular capability.
yes
The current Nexus 10 is has some pretty robust specs, so you can't go wrong with it if you purchase it now. If you're willing to wait however, the second generation Nexus 10 is due to come out in the 4th quarter of 2013. Latest rumor on it is that it will be developed by Asus, who has developed both the 2012 and 2013 Nexus 7.
Assuming the printer is capable of doing cloud printing, you can print most things from a Nexus 10.
Nexus 7 accepts ePub and PDF format, but the built-in app doesn't allow you to load downloaded book into it. To read downloaded books on your Nexus 7, you need to install some third-party apps and a file manager app. See the related link for further information.
Nexus - Another Level album - was created on 1999-10-01.
On any Nexus device, you would go to Settings>About Phone>System Updates. By default, the system will check updates for you, but you can also manually check for updates.
10.05 inches