Mobile Devices Flashcards
Smartwatches and fitness monitors are considered _____ technology.
wearable
What is the difference between VR and AR?
Augmented reality tech provides a display that overlays your reality while virtual reality headsets replace what you see entirely.
What kind of screen do e-readers use and what are its advantages?
They use a black-and-white electronic ink screen. It performs well in direct light and requires very little power as it only uses energy when the screen changes.
What happened that discouraged mobile device companies from using a lot of different proprietary chargers?
The EU standardized mobile device chargers; now they all have to connect via USB.
What is the difference between micro-USB and mini-USB connectors?
Micro-USB connectors are smaller than mini-USB connectors. Also, mini-USB connectors are mostly used by older devices.
How many pins does a USB-C connector have?
24
What type of USB connector has an audio output that allows it to be used with a 3.5mm adapter?
USB-C
To what company are lightning cables proprietary?
Apple
What are a lightning connector’s advantages?
Higher power and simpler design (can be plugged in either way).
What is tethering used for?
Allowing another device to use a mobile device’s data or Internet connection via USB.
What does the hotspot feature on a mobile device do?
It turns your mobile device into a wireless access point, allowing other devices to use your mobile device’s data or Internet connection
What is NFC?
Near-field communication allows a device to send small amounts of encrypted data over a limited distance.
What is Bluetooth?
Bluetooth is a PAN allowing high-speed communication between devices over a limited area
Is it possible to control your entertainment center with a mobile device? How?
Yes, many mobile devices have IR (infrared) built-in that would allow for this.
What is the difference between a TRS and TRRS 3.5mm connector?
The TRS (tip-ring-sleeve) is used for headsets without a mic while the TRRS (tip-ring-ring-sleeve) is used for headsets with a mic.