1.2 - Compare and contrast the display components of mobile devices

Question 1

2 types of displays modern laptops use?

1.2 - Compare and contrast the display components of mobile devices: Types of Displays

Answer 1

• LCD
• OLED

Question 2

Meaning of LCD?

Answer 2

Liquid Crystal Display

Question 3

Meaning of OLED?

Answer 3

Organic Light-Emitting Diode

Question 4

Advantages of LCDs?

1.2 - Compare and contrast the display components of mobile devices: Types of Displays

Answer 4

• Lightweight
• Low power
• Inexpensive

Question 5

Disadvantages of LCDs?

1.2 - Compare and contrast the display components of mobile devices: Types of Displays

Answer 5

• Difficulty displaying black levels
• Requires seperate backlight
• Lights are difficult to replace

Balck levels are a challenge becuase the backlight is placed in the back and needs to shine through to provide color

Question 6

LCD technologies

Advantage(s) of TN LCDs?

1.2 - Compare and contrast the display components of mobile devices: Types of Displays

Answer 6

Fast response times

Question 7

LCD technologies

Disadvantage(s) of TN LCDs?

1.2 - Compare and contrast the display components of mobile devices: Types of Displays

Answer 7

• Poor viewing angles
• Bad/low color representation

Question 8

LCD technologies

Advantage(s) of IPS LCDs?

1.2 - Compare and contrast the display components of mobile devices: Types of Displays

Answer 8

• Excellent color representation
• Wide viewing angles

Question 9

LCD technologies

Disadvantage(s) of IPS LCDs?

1.2 - Compare and contrast the display components of mobile devices: Types of Displays

Answer 9

• A bit more expensive than TN LCDs
• Slow response times

Question 10

LCD technologies

Advantage(s) of VA LCDs?

1.2 - Compare and contrast the display components of mobile devices: Types of Displays

Answer 10

• Good color representation
• Good viewing angles
• High contrast ratios

Question 11

LCD technologies

Disadvantage(s) of VA LCDs?

1.2 - Compare and contrast the display components of mobile devices: Types of Displays

Answer 11

Slower response times than TN LCDs

Question 12

Where do LCDs get power from?

1.2 - Compare and contrast the display components of mobile devices: Types of Displays

Answer 12

Inverter board

Question 13

3 LCD types of active-matrix technologies?

1.2 - Compare and contrast the display components of mobile devices: Types of Displays

Answer 13

• TN LCD
• IPS LCD
• VA LCD

Question 14

Meaning of TN LCD?

1.2 - Compare and contrast the display components of mobile devices: Types of Displays

Answer 14

Twisted Nematic LCD

Question 15

Meaning of IPS LCD?

1.2 - Compare and contrast the display components of mobile devices: Types of Displays

Answer 15

In Plane Switcing LCD

Question 16

LCD types of active-matrix technologies: VA displays

What do VA LCDs offer?

1.2 - Compare and contrast the display components of mobile devices: Types of Displays

Answer 16

Higher contrast ratios & deeper black levels than IPS but sacrifices viewing angles

Question 17

What are LED displays?

1.2 - Compare and contrast the display components of mobile devices: Types of Displays

Answer 17

LED-backlit LCDs

Question 18

How do OLEDs differ from LCDs?

1.2 - Compare and contrast the display components of mobile devices: Types of Displays

Answer 18

does not have a backlight & instead uses an organic compound to emit light when provided with current

Question 19

Disadvantage of OLED’s?

1.2 - Compare and contrast the display components of mobile devices: Types of Displays

Answer 19

Lower brightness than LCDs

Question 20

Advantage(s) of OLED’s?

1.2 - Compare and contrast the display components of mobile devices: Types of Displays

Answer 20

Better contrast ratio & color representation than LCDs

Question 21

Wi-Fi antennas are used to…

1.2 - Compare and contrast the display components of mobile devices: WiFi antenna connector/placement

Answer 21

connect to a wireless/Wi-Fi network (WLAN)

Question 22

Identify module of Wi-Fi card:

Answer 22

M.2 card

Question 23

Identify module of Wi-Fi card:

1.2 - Compare and contrast the display components of mobile devices: WiFi antenna connector/placement

Answer 23

Mini PCIe card

Question 24

Command prompt command to find the MAC address in Windows?

1.2 - Compare and contrast the display components of mobile devices: WiFi antenna connector/placement

Answer 24

ipconfig /all

Question 25

Comman prompt command to find the MAC address in macOS/linux?

1.2 - Compare and contrast the display components of mobile devices: WiFi antenna connector/placement

Answer 25

ip a

or

ifconfig

Question 26

What is a stylus?

1.2 - Compare and contrast the display components of mobile devices: Touchscreen/digitizer

Answer 26

Plastic writing tool to tap & write on touchscreens

Question 27

What is a digitizer?

1.2 - Compare and contrast the display components of mobile devices: Touchscreen/digitizer

Answer 27

Device that converts analog feedback into digital instructions

Question 28

Typical LCD components (non-LED): inverters

What do inverters do?

1.2 - Compare and contrast the display components of mobile devices: Inverter

Answer 28

Convert Direct Current into Alternating Current

Question 29

Meaning of VA LCD?

1.2 - Compare and contrast the display components of mobile devices: Types of Displays

Answer 29

• Vertical Alignment LCD