Display Devices Quiz Flashcards
What are the characteristic features of In-Plane Switching (IPS)? (Select 3 answers)
High color quality
Fast response times
Wide viewing angles
Low color quality
Slow response times
Low viewing angles
High Color Quality
Wide viewing angles
slow response times
IPS (In-Plane Switching) is an electronic screen display technology used in LCDs (liquid crystal displays). IPS changes the behavior of an LCD’s liquid crystals to produce a sharper, more accurate picture.
Which of the answers listed below describe the Twisted Nematic (TN) technology? (Select 3 answers
Low viewing angles
Fast response times
Low color quality
High color quality
Slow response times
Wide viewing angles
Low viewing angles
Fast Response Times
Low color quality
A type of LCD panel technology. In this type of panel, when no electric current is running through the liquid crystal cells, the cells naturally align in a twisted form between two substrate panes of glass which blocks the transmission of light from the backlight
Vertical Alignment (VA) display technology can be characterized by: (Select 3 answers)
*High contrast ratios
*Low color quality
*Good viewing angles
*Low contrast ratios
*Good color quality
*Low viewing angles
Good viewing angles
High Contrast ratios
Good Color quality
In this type of panel, when no electric current is running through the liquid crystal cells, the cells naturally align vertically between two substrate panes of glass which blocks the transmission of light from the backlight.
What are the characteristic features of an OLED display? (Select 3 answers)
*Works without backlight
*Inferior contrast ratio and color representation in comparison to LCDs
*Lower light output (brightness) in comparison to LCDs
*Display type commonly used in modern laptop devices
*Better contrast ratio and color representation in comparison to LCDs
*Requires backlight to illuminate the screen
*Lower cost in comparison to LCDs
*Higher light output (brightness) in comparison to LCDs**
Works without backlight.
Lower light output (brightness) in comparison to LCDs.
Better contrast ratio and color representation in comparison to LCDs.
a organic light-emitting diode containing thin flexible sheets of an organic electroluminescent material, used mainly in digital display screens.
IPS, TN, VA, and OLED are all implementations of the LCD display technology. True or False.
False
An intrusion prevention system (IPS) is a network security tool (which can be a hardware device or software) that continuously monitors a network for malicious activity and takes action to prevent it, including reporting, blocking, or dropping it, when it does occur.
Which of the following answers refers to a device capable of providing both input and output functions?
Microphone
Touchpad
Speaker
Touch screen
Monitor
Touchscreen
Which of the answers listed below refer to the function of digitizer? (Select 3 answers)
Translates analog data into a format suitable for computer processing
A type of output device
Component of a mobile device’s screen that allows to control the device with a stylus or fingertip
An example of media converter
A type of input device
translates analog data into a format suitable for computer processing.
A type of input device.
Component of a mobile device’s screen that allows to control the device with a stylus or fingertip.
A digitizer is a device that receives, processes and records digitally any analog information such as light, sound, touch, or pressure.
When a computer monitor is unable to display image on the screen, the most common causes of this problem (and the easiest ones to fix) include: (Select 2 answers)
Inverter failure
Loose cable connections
Bad LCD display
Wrong input selection
Backlight failure
Loose cable connections
Wrong input selection
Which type of peripheral hardware would require the replacement of a burned-out bulb?
Webcam
Computer projector
Laser printer
CRT monitor
computer projector
A permanent computer display screen discoloration caused by displaying the same static image for extended periods of time is known as:
Artifact
Stuck pixel
Burn-in
Dead pixel
Burn-in
A tiny spot on an LCD monitor display screen that permanently remains black when it should be activated and displaying color is commonly referred to as stuck pixel.
True
False
False.
It is known as a Dead pixel
A dim display on a laptop LCD screen might indicate a problem related to: (Select 2 answers)
Stuck pixels
Backlight
Dead pixels
Incorrect color patterns
Inverter
Backlight
Inverter
An inverter is a small circuit board in a laptop computer that passes a power current from the body of the machine to the attached liquid crystal display (LCD) screen.
Which of the actions listed below would be of help while troubleshooting non-responsive touchscreen on a mobile device?
*Reseating the device’s battery
*Erasing all content/settings and restoring the device to factory defaults (factory reset/hard reset)
*Pressing a specific key combination/button to perform system restart (soft reset)
*Removing screen protector and cleaning the screen
*All of the above
All of the above.
