Connecting Mobile Devices

Question 1

What does USB stand for?

Answer 1

universal serial bus

Question 2

What type of usb do you often see on computers? Describe it.

Answer 2

type a plug

square usb with little white strip on inside of plug

Question 3

What does a mini b plug look like?

Answer 3

smaller than square usb but bigger than micro

Question 4

What is unique about a usb-c compared to a usb?

Answer 4

can be plugged in in any direction unlike usb

usb-c standard keeps the plugs all looking the same, however it has the capability to take input from lots of diff signal types (like usbc used for my phone and laptop, or providing hdmi vid and audio)

Question 5

What is an 8-in proprietary connection?

Answer 5

lightning cables from apple

Question 6

Advantages of lightning over micro usb?

Answer 6

higher output for devices

can be inserted any way

simpler design

Question 7

What was commonly used before usb?

Answer 7

db-9 cables (9-pin, 2 screws around the center piece containing the pin holes)

commonly transported RS232 signals (RS232 is a standard of communication thats been around awhile)

Question 8

Using your phone to pay at Starbucks displays what type of technology?

Describe the tech.

Answer 8

near field communication

allows for transfer of small amounts of data if devices are very close to each other