1.3 Connecting Mobile Devices Flashcards
What is USB used for? (2)
charging and data transfer
What does a micro-B USB plug look like?
Like a smaller version of an upside-down HDMI connector
Older devices may use: micro-B or mini-B USB?
Mini-B USB
Which is larger, micro or mini USB?
Mini-B USB
What does Mini-B USB look like?
like a slightly flatter piece of bread
How many pins is USB-C?
24 pins
What can act as a USB 2.0/3.0/3.1/4 connection?
USB-C
(different signals can use the same connector)
What 3 other signals can USB-C transmit?
- DisplayPort
- HDMI
- Thunderbolt
What is Thunderbolt?
a powerful connectivity standard that delivers data, video signal, and laptop charging over a single connection.
What is Lightning?
An 8-pin digital proprietary Apple connector
What does a Lightning connector look like?
it’s flatter, white rectangle with copper lines
What are 3 advantages a lightning connector has over micro-USB?
- Higher power output for phones/tablets
- Can be inserted either way
- Simpler design
What is DB-9 also called?
DE-9
What signals are DB-9 connectors used for?
RS-232 signals
(industry standard since 1969)
What is DB-9 connectors traditionally used for?
as serial communication standards for modem connections
What does serial communication mean?
a communication method that uses 1 or 2 transmission lines to send and receive data continuously
What are DB-9 serial interfaces now used for? Using what type of cable?
switches, routers, and firewalls using a USB to DB-9 converter cable
How is NFC made available on your phone?
It’s built into it
NFC acts as an ___ token or ____ card
NFC acts as an access token or identity card
How much data is sent in NFC?
small amounts of data over a limited area
What type of communication speed is Bluetooth? Over what range?
High speed communication over short distances
Bluetooth uses a ____
PAN (personal area network)
What is a Hotspot?
Extends the cellular data network on your phone by turning it into a personal wireless router
