Connecting Mobile Devices 1.3

Question 1

What technology do we use to connect devices and peripherals?

Answer 1

• Primarily USB - It’s high speed and used for charging and data transfer
• Micro-USB
• USB-C

Question 2

What are some of USB-C’s capabilities?

Answer 2

• 24 pins, can act as USB 2, 3, 3.1, 4. Can transmit other signals such as; HDMI, DisplayPort, Thunderbolt

Question 3

What is Apple’s connectivity plug?

Answer 3

Lightning
- Uses 8-pin digital signals
- Connects iPhone and iPad

Question 4

What type of serial interface was used for connectivity prior to USB?

Answer 4

• DB-9
• Commonly used for RS-232 signals (was the industry standard since 1968)
• Might still find this but you will need to use a USB to DB-9 converter

Question 5

What is NFC and how is it used?

Answer 5

• Near field communication
• Sends small amounts of data wireless in a small area
• Built into phone, used for things like; payments, transportation, data exchange
• Can be used as an identity card with short range encryption

Question 6

What advantage does a docking station have over a port replicator?

Answer 6

• Docking stations have the ability to add desktop expansion cards where most port replicators do not
• Generally you connect to port replicators via USB