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A+ > Mobile Devices - Mobile Devices > Flashcards

Mobile Devices - Mobile Devices Flashcards

1
Q

What are the different mobile device types?

A

Tablet
Phablet
Smart Phone
Wearables
Webcam
E-reader

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2
Q

What type of screen do tablets use and what does it mean?

A

Capacitive touch screens. Smart phones use them too but that likely won’t be on the exam anyway since A+ certification is always a few years behind. Just like my ex’s intelligence. Oh, and it means it recognizes fingertip input.

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3
Q

What is E Ink?

A

E Ink is a special technology that creates a high-contrast, black and white display. Even though E Ink screens display only grayscale, they are great for e-readers because they consume much less power than LCD screens and their output can be seen even in direct sunlight.

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4
Q

What type of connector is #1 in the USB Connector Chart?

A

USB Type A (Standard A USB)

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5
Q

What type of connector is #2 in the USB Connector Chart?

A

USB Type B (Standard B USB)

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6
Q

What type of connector is #3 in the USB Connector Chart?

A

Mini USB 4-pin (USB Mini B)

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7
Q

What type of connector is #4 in the USB Connector Chart?

A

Mini USB 5-pin (USB Mini B)

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8
Q

What type of connector is #5 in the USB Connector Chart?

A

Micro USB (USB Micro-B)

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9
Q

What type of connector is #6 in the USB Connector Chart?

A

USB 3.0 Type A

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10
Q

What type of connector is #7 in the USB Connector Chart?

A

USB 3.0 Type B

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11
Q

What type of connector is #8 in the USB Connector Chart?

A

USB 3.0 Micro B

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12
Q

What type of connector is #9 in the USB Connector Chart?

A

USB 3.1 Type C

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13
Q

What is USB 2.0 used to connect?

A

Keyboards, mice, printers, flash drives, etc

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14
Q

What advantages did USB 3.0 introduce over 2.0?

A

It’s faster, and it introduced new B-type connectors

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15
Q

What did USB-C introduce?

A

Newer technology with different connectivity. It is used for all external devices including displays and Ethernet adapters.

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16
Q

What is the USB A connector generally used to plug into?

A

The mobile device

17
Q

What is the USB B connector generally used to plug into?

A

The external device

18
Q

What is the Standard USB B connector and what is it used to connect to?

A

It’s an older connector mainly used to connect to external hard drives and printers

19
Q

What is the Mini USB B connector and what is it used to connect to?

A

It’s a smaller version of USB connector used for connections as well as charging external devices.

20
Q

What is the Micro USB B connector and what is it used to connect to?

A

Same as the Mini USB B but smaller. It’s used for connections as well as charging external devices.

21
Q

What is the Standard USB 3.0 B connector and what is it used for?

A

it’s a dual connection (top and bottom), allowing for higher transfer speeds.

22
Q

What is the Micro USB 3.0 type B and what is it used for?

A

It’s a dual connection (side-by-side). It has the same connectivity as Standard 3.0.

23
Q

What devices use serial interfaces?

A

Computers, routers, and switches

24
Q

What does a serial interface allow devices to do?

A

Communicate via a stream of binary digits.
There may be control signals embedded in the stream to mark the beginning or end of characters or to enable parity.

25
Q

What type of connector is a serial connector?

A

A 9-pin D connector, though some are proprietary

26
Q

What is NFC?

A

Near Field Communications

27
Q

What is NFC used for and how does it work?

A

It’s a short range wireless technology that’s mostly used for tap and pay credit cards as well as transferring data between mobile devices.

28
Q

What is the range of NFC?

A

About an inch

29
Q

What is Bluetooth?

A

A short range, low power wireless technology.

30
Q

What range does Bluetooth have?

A

About 10 meters

31
Q

What is Bluetooth used to connect to?

A

Earbuds, headphones, speakers, printers

32
Q

What has to be done before two devices can connect to each other via Bluetooth?

A

They have to be paired

33
Q

What is a HotSpot?

A

Allows the user to turn a smartphone into a WiFi connection that uses the cellular data to connect to the internet.

A+ (14 decks)

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