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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
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

18
Q

Older USB device that looks slightly larger

19
Used for both hosts and devices to transit other signals such as DisplayPort, HDMI, and Thunderbolt
USB-C
20
Apple Proprietary that advantages over Micro USB such as higher power output for devices, can be inserted either way and simpler devices
Lighting
21
used as configuration ports such as switches, routers, and firewalls
Serial interface of DB-9/DE-9
22
send small amount of data wirelessly and built into phones as payment systems or information exchange
Near Field Communication (NFC)
23
High speed communication with short distances to connects such as mobile devices, headsets, smart devices, and external speakers
Bluetooth
24
The phone can be a personal wireless router depends on phone type and provider
Hotspot
25
Activate the interface without touching it and use it for handwriting
Touch Pens/ stylus
26
Advanced writing tool that can tell pressure sensitivity, programmable buttons, and etc
Active stylus/ Digital stylus
27
use an active stylus with an external digitizer
Drawing Pad
28
Replace the mouse and more common with laptops that provide different functions like drag and tap, zooming, and window control
Trackpad
29
hands-free audio that can connect laptop wired or wireless
Headset
30
mobile audio can provide a wireless connection
speakers
31
Internal or external on laptops, tablets, and phones for applications and video conferencing
Camera/ Webcam
32
Use an external keyboard and mouse to provide additional functionality, desktop adapter cards, and avoid cable issues
Dock station
33
similar to a docking station and provides USB connections. It doesn't provide expansion card option
Port replicator
34
Antenna coverages a cell with certain frequencies
Cellular Networks
35
Mobile networking standard to use SIM card (Subscriber Identity Module) from phone to phone
Global System for Mobile Communications (GSM)
36
Each call uses different codes and handsets are controlled by network providers
Code Division Multiple Access (CDMA)
37
Upgraded data connectivity and bandwidth improvement allowed new functionality like GPS, Mobile television and video on demand
3G
38
Standard supports download rates of 150 Mbit/s
4G and Long Term Evolution (LTE)
39
Standard supports download rates of 300 Mbit/s
LTE Advanced (LTE-A)
40
Higher frequencies to 10 gigabits per second, larger data transfer, faster monitoring, and additional cloud processing
5G
41
Allows your phone to connect to the right tower over the air
Updates
42
connect a Bluetooth that built security over a PIN for one time of that device
Bluetooth pairing
43
Determines location based on timing differences with location services and geo-tracking
Global Positioning System (GPS)
44
manage company-owned and user-owned mobile devices for specialized functionality
Mobile Device management (MDM)
45
makes the changes on the device such as account details, server address, communication method
MDM Configurations
46

CompTia A+ Objectives (2 decks)

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