1.2 - Compare and contrast the display components of mobile devices Flashcards
2 types of displays modern laptops use?
1.2 - Compare and contrast the display components of mobile devices: Types of Displays
- LCD
- OLED
Meaning of LCD?
Liquid Crystal Display
Meaning of OLED?
Organic Light-Emitting Diode
Advantages of LCDs?
1.2 - Compare and contrast the display components of mobile devices: Types of Displays
- Lightweight
- Low power
- Inexpensive
Disadvantages of LCDs?
1.2 - Compare and contrast the display components of mobile devices: Types of Displays
- 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
LCD technologies
Advantage(s) of TN LCDs?
1.2 - Compare and contrast the display components of mobile devices: Types of Displays
Fast response times
LCD technologies
Disadvantage(s) of TN LCDs?
1.2 - Compare and contrast the display components of mobile devices: Types of Displays
- Poor viewing angles
- Bad/low color representation
LCD technologies
Advantage(s) of IPS LCDs?
1.2 - Compare and contrast the display components of mobile devices: Types of Displays
- Excellent color representation
- Wide viewing angles
LCD technologies
Disadvantage(s) of IPS LCDs?
1.2 - Compare and contrast the display components of mobile devices: Types of Displays
- A bit more expensive than TN LCDs
- Slow response times
LCD technologies
Advantage(s) of VA LCDs?
1.2 - Compare and contrast the display components of mobile devices: Types of Displays
- Good color representation
- Good viewing angles
- High contrast ratios
LCD technologies
Disadvantage(s) of VA LCDs?
1.2 - Compare and contrast the display components of mobile devices: Types of Displays
Slower response times than TN LCDs
Where do LCDs get power from?
1.2 - Compare and contrast the display components of mobile devices: Types of Displays
Inverter board
3 LCD types of active-matrix technologies?
1.2 - Compare and contrast the display components of mobile devices: Types of Displays
- TN LCD
- IPS LCD
- VA LCD
Meaning of TN LCD?
1.2 - Compare and contrast the display components of mobile devices: Types of Displays
Twisted Nematic LCD
Meaning of IPS LCD?
1.2 - Compare and contrast the display components of mobile devices: Types of Displays
In Plane Switcing LCD
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
Higher contrast ratios & deeper black levels than IPS but sacrifices viewing angles
What are LED displays?
1.2 - Compare and contrast the display components of mobile devices: Types of Displays
LED-backlit LCDs
How do OLEDs differ from LCDs?
1.2 - Compare and contrast the display components of mobile devices: Types of Displays
does not have a backlight & instead uses an organic compound to emit light when provided with current
Disadvantage of OLED’s?
1.2 - Compare and contrast the display components of mobile devices: Types of Displays
Lower brightness than LCDs
Advantage(s) of OLED’s?
1.2 - Compare and contrast the display components of mobile devices: Types of Displays
Better contrast ratio & color representation than LCDs
Wi-Fi antennas are used to…
1.2 - Compare and contrast the display components of mobile devices: WiFi antenna connector/placement
connect to a wireless/Wi-Fi network (WLAN)
Identify module of Wi-Fi card:
M.2 card
Identify module of Wi-Fi card:
1.2 - Compare and contrast the display components of mobile devices: WiFi antenna connector/placement
Mini PCIe card
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
ipconfig /all
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
ip a
or
ifconfig
What is a stylus?
1.2 - Compare and contrast the display components of mobile devices: Touchscreen/digitizer
Plastic writing tool to tap & write on touchscreens
What is a digitizer?
1.2 - Compare and contrast the display components of mobile devices: Touchscreen/digitizer
Device that converts analog feedback into digital instructions
Typical LCD components (non-LED): inverters
What do inverters do?
1.2 - Compare and contrast the display components of mobile devices: Inverter
Convert Direct Current into Alternating Current
Meaning of VA LCD?
1.2 - Compare and contrast the display components of mobile devices: Types of Displays
- Vertical Alignment LCD