3G A third-generation cellular network that includes the HSPA, HSPA+, and DC-HSDPA standards. It is supported in the cellular models of the iPad 2 and later, and the iPad mini for data delivery over the cellular network.

4G See LTE.

802.11 See Wi-Fi.

accelerometer The component inside the iPad that senses the device’s orientation in space and adjusts the display accordingly (such as switching Safari from portrait view to landscape view).

access point A networking device that enables two or more devices to connect over a Wi-Fi network and to access a shared Internet connection.

Activation lock An iOS security feature that prevents anyone from activating your iPad or iPad mini without knowing your Apple ID and password.

AirDrop A service that enables your tablet to share information, such as links, photos, and maps, wirelessly via Bluetooth connection.

Airplane Mode An operational mode that turns off the transceivers for the cellular iPad, Wi-Fi, and Bluetooth features, which puts the device in compliance with federal aviation regulations.

AirPlay A wireless technology that enables you to stream iPad video or audio to an Apple TV device, and see or hear it on your TV or audio receiver.

AirPrint A wireless technology that enables you to send a web page, e-mail message, or other text from your iPad or iPad mini to a printer.

alert A notification message that pops up on the screen and must be addressed before you can resume what you were doing.

app An application that is ...

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