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CompTia A+ Objectives > Objective 1.1 - 1.4: Mobile Devices > Flashcards

Objective 1.1 - 1.4: Mobile Devices Flashcards

1
Q

Common batteries are

A

Lithium-ion (Li-ion) and Lithium-ion polymer (LiPo)

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2
Q

What memory module is Used in laptops and mobile devices

A

Small Outline Dual inline Memory Module (SO_DIMM)

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3
Q

2.5 form factors for laptops and 3.5 inch for desktops

A

Magnetic disk

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4
Q

2.5-inch form factors, a memory card that is silent, fast and less latency

A

Solid State Drive (SSD)

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5
Q

What memory module is a Small form factor with No SATA data or power cables

A

M.2

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5
Q

What process is this?

Install an OS on the SSD:
- move user documents between drives and install applications

A

Migrating from HDD to SSD

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5
Q

What process is this?

Image/clone the HDD:
- no OS installation required
- move everything form one to the other

A

Migrating from HDD to SSD

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6
Q

What numbers provide the Local area network (LAN) provides high speed internet access

A

802.11

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7
Q

Personal area network (PAN) provides short-range

A

Bluetooth

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8
Q

sign in or unlock your laptop with a fingerprint reader or face recognition

A

Biometrics

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9
Q

Short distance networking that works less than 4 centimeters for data transfers or authentication

A

Near Field Communication (NFC)

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9
Q

light shines through liquid crystals

Advantages:
- lightweight, low power, and affordable

Disadvantages:
- Black levels are challenging and require separate backlight

A

Liquid Crystal Display (LCD)

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10
Q

The original LCD technology

Advantages:
- Fast response times for gaming

Disadvantages:
- poor viewing angles from color shifting

A

Twisted Nematic (TN)

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10
Q

Advantages:
- Excellent color representation

Disadvantages:
- More expensive to produce than TN

A

In Plane Switching (IPS)

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11
Q

Good compromise between TN and IPS

Advantages:
- Good color representation

Disadvantages:
- slower response times than TN

A

Vertical Alignment (VA)

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12
Q
  • Organic compound emits light when receiving an electric current
  • Thinner and lighter because no of glass
  • no backlight and more common on tablets, phones, and smartwatches
  • Great color representation but more expensive
A

Organic light Emitting Diode (OLED)

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13
Q

Video capture that has a built-in camera and microphone

A

Webcam

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13
Q
  • Higher voltage and power needed and added thickness to the display
  • no backlight and used for older laptops
A

Cold Cathode Fluorescent Lamp (CCFL)

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13
Q
  • Backlight is LEDS instead of florescent and LEDS are around the edge of the screen
  • An array of LEDs behind the screen and comes with newer laptops
A

LED-backlit LCD display

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14
Q
  • LCD displays need a backlight and some laptops have inverters to turn DC into AC
  • Verify backlight: use a flashlight and look closely
A

Backlight and inverter

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15
Q
  • using a stylus input for graphical input and used more common on laptop/ tablets
A

Digitizer

16
Q

High speed wired communication providing for charging and data transfers

A

Universal Serial Bus (USB)

17
Q

A smaller USB connection has become more common worldwide

A

Micro-USB

18
Q

Older USB device that looks slightly larger

A

Mini-USB

19
Q

Used for both hosts and devices to transit other signals such as DisplayPort, HDMI, and Thunderbolt

A

USB-C

20
Q

Apple Proprietary that advantages over Micro USB such as higher power output for devices, can be inserted either way and simpler devices

A

Lighting

21
Q

used as configuration ports such as switches, routers, and firewalls

A

Serial interface of DB-9/DE-9

22
Q

send small amount of data wirelessly and built into phones as payment systems or information exchange

A

Near Field Communication (NFC)

23
Q

High speed communication with short distances to connects such as mobile devices, headsets, smart devices, and external speakers

A

Bluetooth

24
Q

The phone can be a personal wireless router depends on phone type and provider

A

Hotspot

25
Q

Activate the interface without touching it and use it for handwriting

A

Touch Pens/ stylus

26
Q

Advanced writing tool that can tell pressure sensitivity, programmable buttons, and etc

A

Active stylus/ Digital stylus

27
Q

use an active stylus with an external digitizer

A

Drawing Pad

28
Q

Replace the mouse and more common with laptops that provide different functions like drag and tap, zooming, and window control

A

Trackpad

29
Q

hands-free audio that can connect laptop wired or wireless

A

Headset

30
Q

mobile audio can provide a wireless connection

A

speakers

31
Q

Internal or external on laptops, tablets, and phones for applications and video conferencing

A

Camera/ Webcam

32
Q

Use an external keyboard and mouse to provide additional functionality, desktop adapter cards, and avoid cable issues

A

Dock station

33
Q

similar to a docking station and provides USB connections. It doesn’t provide expansion card option

A

Port replicator

34
Q

Antenna coverages a cell with certain frequencies

A

Cellular Networks

35
Q

Mobile networking standard to use SIM card (Subscriber Identity Module) from phone to phone

A

Global System for Mobile Communications (GSM)

36
Q

Each call uses different codes and handsets are controlled by network providers

A

Code Division Multiple Access (CDMA)

37
Q

Upgraded data connectivity and bandwidth improvement allowed new functionality like GPS, Mobile television and video on demand

A

3G

38
Q

Standard supports download rates of 150 Mbit/s

A

4G and Long Term Evolution (LTE)

39
Q

Standard supports download rates of 300 Mbit/s

A

LTE Advanced (LTE-A)

40
Q

Higher frequencies to 10 gigabits per second, larger data transfer, faster monitoring, and additional cloud processing

A

5G

41
Q

Allows your phone to connect to the right tower over the air

A

Updates

42
Q

connect a Bluetooth that built security over a PIN for one time of that device

A

Bluetooth pairing

43
Q

Determines location based on timing differences with location services and geo-tracking

A

Global Positioning System (GPS)

44
Q

manage company-owned and user-owned mobile devices for specialized functionality

A

Mobile Device management (MDM)

45
Q

makes the changes on the device such as account details, server address, communication method

A

MDM Configurations

46
Q
A

CompTia A+ Objectives (2 decks)

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