19: Using Mobile Devices
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What type of gesture is typically used for zooming on a touchscreen?
Pinch
What feature allows data to be removed from a device if is lost or stolen?
This is referred to as remote wipe or sometimes as a kill switch.
What is "airplane mode?"
A quick toggle for disabling all wireless functionality (cellular, Wi- Fi, and Bluetooth).
What is the purpose of an accelerometer, as fitted in a mobile device?
It is one of the components that detects how the user is moving the device around. This is used to set the screen orientation and as an advanced control mechanism.
True or false? A smartphone cannot join a Wi-Fi network if the SSID is not being broadcast.
False—the SSID (or network name) can be entered manually, as with a computer.
