It is a tablet, which makes it a mobile device.
no
Yes, the Nexus 7 4G does take a SIM card. If you are purchasing directly from Google, you can choose either an AT&T or T-Mobile SIM, which is provided.
Yes, the Nexus One was available for T-Mobile, but there was an AT&T version, and an unlocked version.
There are various types of Nexus devices, but the Nexus 7 is part of that same family.
The Nexus 7, particularly the 2012 and 2013 models, does not have a SIM card slot for cellular connectivity in the Wi-Fi-only version. However, the LTE version of the Nexus 7 does support a SIM card for mobile internet access. If you have the LTE model, you can insert a SIM card to connect to mobile data; otherwise, you would need to rely on Wi-Fi for internet access.
The 2012 Nexus 7 came out on July 2012. The 2013 Nexus 7 came out on July 2013.
The Google Nexus S is from T-Mobile and Sprint.
The 2012 Nexus 7 debuted on July 2012. The 2013 Nexus 7 debuted on July 2013 (August 2013 in Canada).
Yes, the Nexus 7 (2013) is Bluetooth Smart Ready certified. The 2012 Nexus 7 supports traditional Bluetooth.
The Nexus 7 is an Android Tablet made by Google. It has a screen size of 7 inches.
Currently no. Microsoft is developing Office for mobile devices like Android.
In the 2012 Nexus 7, it came with a single camera (in the front). The 2013 Nexus 7 has two cameras, one in the front and one in the back.