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.
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.
If you can connect your Nexus 7 to a wifi hotspot, then the data would be free.
Yes, if you can get to a wifi hotspot.
Yes, the Nexus 7 comes in LTE versions.
The more commonly-purchased wifi version of the Nexus 7 has you connect to any wifi location.
The wireless version of the Nexus 7 does not have a SIM card slot, but the cellular version does have it.
If you're talking about phone connectivity on a Nexus tablet (Nexus 7 or 10), theoretically no, even if you have a version that has a SIM card. However, you can make VOIP (voice over internet protocol) calls or calls thru apps such as Tango, Google Voice, Skype and others provided you have a wireless connection.
A long press of an image will give you the options box. Pick "Save image" and it will save into the Nexus 7's Gallery.
If you have a wi-fi version of the Nexus 7 (1st or 2nd generation), which is the more common version of the tablet, you would just need to connect to a wi-fi hotspot, or connect to an internet service. If the Nexus 7 isn't finding a location for you, you can go to Settings>Wi-fi and locate the service you want to connect to.
There are various types of Nexus devices, but the Nexus 7 is part of that same family.
If you buy an LTE version yes. If you buy wifi only then no.
The 2012 Nexus 7 came out on July 2012. The 2013 Nexus 7 came out on July 2013.