1.3 Given a scenario, set up & configure accessories & ports of mobile devices Flashcards
What connector do modern Android phones use?
USB-C
What connetor do older Android phones use?
Micro-/Mini-B USB
What connector do most iPhones & iPads use?
Lightning
The latest iPads & iPhones use USB-C
What is one of the oldest & simplest computer interfaces?
Serial interfaces
What are serial interfaces often used for?
Programming & connectivity with some types of peripheral device
i.e. microcontrollers, routers, modems, printers, etc.
What is the serial software interface called?
UART port
UART = Universal Asynchronous Receiver Transmitter
You do not need to know the acronym
How can UART interface data be transferred on android?
Over a USB port or bluetooth
For bluetooth, SPP or BLE is used, which enables serial communication over Bluetooth
How can UART interface data be transferred on Apple devices?
Via Lightning port only if device is enrolled in the developer program
Meaning of NFC?
Near-Field Communication
What does NFC allow?
Short range data transmissions
up to about 8 inches
The achievable data rates are low, but the transactions involve small data exchanges.
What enables mobile payments at contactless PoS machines?
NFC
How can mobile devices be configured for NFC mobile payments?
Entering credit card info into the device’s wallet app
What happens when a wallet app is used for NFC payments?
one-time token is sent to the merchant linked to the customer’s account for processing
Wallet apps use tokens. They dont tranmist the original credit card info
3 major wallet apps?
- Apple Pay
- Google Pay (formerly Android Pay)
- Samsung Pay
Some PoS readers may only support a particular type of wallet app(s)
What else can NFC be used for besides NFC payments?
Configuring other types of connections
i.e. Pairing Bluetooth devices (i.e. if a phones & headset support NFC, tapping the headset will automatically negotiate a Bluetooth connection)
Purpose of port replicators?
To provide a variety of ports
For devices like keyboards, monitors, network connections, mice, etc.
Do port replicators add functionality to laptops?
No
What is a docking station?
Sophisticated port replicator with media bay
the media bay is used for add-in cards/drives
When docked, a laptop functions like a desktop and gains additional features, such as expansion card support.
