Displays

Ida, one of the employees in the sales department, needs a way to display her PowerPoint sales presentation to a large group of potential customers. She has asked you to set up the conference room in preparation for her presentation. You will need to purchase a display system for the conference room. Which of the following display systems would be the BEST to purchase? A large plasma monitor A large screen and a projector A large LCD monitor A large OLED monitor

A large screen and a projector

You have removed the bezel from a notebook display that has stopped functioning. You see a DC-to-AC power inverter at the base of the screen. Which of the following BEST describes the type of display that you are working with? An LCD display that uses LEDs for backlighting. An LCD display that uses CCFL backlighting. A plasma display that does not use backlighting. An LED display that does not use backlighting.

An LCD display that uses CCFL backlighting.

Produces better colors than WLED (consumes more energy).

CCFL

Which of the following terms describes the difference between white and black in an LCD monitor? Brightness Pitch Aspect ratio Resolution Contrast ratio

Contrast ratio

You are in charge of putting together the display design for a new conference center at your organization. The conference center will be in a large auditorium with 500 or more seats. Which of the following technologies will provide a large display for such a group and also provide very high resolutions? LCD display panel OLED display panel LCD projector DLP projector

DLP projector

Your older notebook LCD display often goes dim or sometimes blank. Which of the following would be the BEST first step to resolve this issue? Tighten down the bezel screws. Replace the CCFL inverter. Reconnect the video ribbon. Replace the LCD screen display.

Replace the CCFL inverter.

Able to dim specific regions of the screen.

Full-array WLED

When a user rotates a mobile device, the operating system changes the screen orientation so that the display remains upright for the user. Which of the following technologies detects this movement on a mobile device? (Select two.) GPS Gyroscope Geotracking Accelerometer Wi-Fi

Gyroscope Geotracking

Which of the following LCD display technologies is the BEST choice for use on touchscreen displays? Touch screen digitizer (TSD) In-plane switching (IPS) Vertical alignment (VA) Twisted nematic (TN)

In-plane switching (IPS)

Why are plasma displays smaller than 32 inches not typically sold? It's too cost-prohibitive to manufacture plasma screens under 32 inches. Plasma technology needs larger sizes for performance. Displays smaller than 32 inches tend to suffer more from image retention and screen burn-in. There are problems with proper gas ionization in the smaller cells.

It's too cost-prohibitive to manufacture plasma screens under 32 inches.

Which of the following display technologies require backlighting? (Select two.) DMD LCD OLED LED Plasma

LCD LED

Listen to exam instructions You are putting together a system for a graphic artist and need to make sure that you find a display that meets their needs. The display needs to have very good color reproduction quality and viewing angles. The display also needs to have proper cooling and be power-efficient. Which of the following display types will MOST likely meet these needs? OLED display with wide-angle viewing. Plasma display with no motion blur. LCD display with IPS panel. LCD display with TN panel.

LCD display with IPS panel.

You are putting together a gaming system and need to make sure that you find a display that meets your needs. The display needs to have a very good response time, and you would prefer that it be affordable and power-efficient. Which of the following display types will MOST likely meet these needs?

LCD display with TN panel. OLED display with wide-angle viewing. LCD display with IPS panel. Plasma display with no motion blur.

Which of the following display technologies suffer from motion blur? OLED LCD projector DLP projector Plasma

LCD projector

Which of the following is true of modern LCD monitors in regards to backlighting? LEDs are used to backlight the screen. Red, green, and blue light provides the least expensive type of backlighting technology. Cold cathode florescent (CCFL) is used for backlighting. LCD monitors have small cells containing electrically charged ionized gas that do not need backlighting.

LEDs are used to backlight the screen.

Which of the following are advantages of using an OEM replacement LCD display? (Select two.) The LCD display is the same quality as the screen you are replacing. OEM parts are designed to be used as generic replacement parts. The LCD display is guaranteed to work as a replacement. The price of the LCD display replacement is equal to non-OEM parts. The OEM LCD part is better quality than a non-OEM part.

The LCD display is the same quality as the screen you are replacing. The LCD display is guaranteed to work as a replacement.

A company is purchasing new laptops for their graphic artist division. Which of the following display technologies provides better contrast and deeper blacks, resulting in better picture quality? LCD Plasma DLP OLED

OLED

Lloyd works for a graphic design company. His monitor recently failed, and you have been asked to purchase a new one for him. Lloyd would like a monitor with a fast pixel refresh rate, low energy consumption, and accurate color representation. Which of the following types of display devices will BEST meet the requested requirements? Plasma OLED LCD CRT

OLED

You have recently purchased a new, foldable smart phone. Which of the following types of mobile device display technologies is MOST likely being used for the foldable display? TN OLED VA IPS

OLED

Superior accuracy (most expensive type of backlighting technology).

RGB-LED

You have ordered and are about to replace an LCD screen on a laptop device. You have already placed the laptop on a static mat, attached a static wristband, and unplugged the laptop. What is your next step in replacing the LCD screen? Remove the video ribbon. Remove the bezel. Remove the battery. Remove the screen.

Remove the battery.

You are troubleshooting a malfunctioning notebook computer system. The user has indicated that the LCD screen suddenly became dark and difficult to read while they were downloading a large file through the wireless network while the system was plugged in at their desk. You have checked the system and determined that the backlight has stopped working. Which of the following are the MOST likely causes? (Select two.) Malware was installed as part of the download that targeted the backlight circuitry. The inverter in the LCD assembly has malfunctioned. The wireless network card is emitting radio signals that interfere with the backlight, causing it to stop functioning. The extended download placed high demands on the system DC power, causing the BIOS to shut off the backlight. The cold cathode fluorescent lamp (CCFL) has burned out and needs to be replaced.

The inverter in the LCD assembly has malfunctioned. The cold cathode fluorescent lamp (CCFL) has burned out and needs to be replaced.

You have recently been given an older laptop to use for performing basic tasks such as sending emails and editing documents. However, when the display changes from one color to another, you notice that there is some distortion in the image. Which of the following LCD technology types is MOST likely being used for the LCD display? Vertical alignment (VA) In-plane switching (IPS) Twisted nematic (TN) Organic light-emitting diode (OLED)

Vertical alignment (VA)

The least expensive, thinnest, and most widely used type of LCD.

WLED

Which of the following statements about cleaning LCD monitors and display devices is true? Monitors are best cleaned while powered on in order to observe the effectiveness of your cleaning. You should power off your monitor and clean it with a lint-free dry cloth. Most new monitors are self-cleaning and should not be cleaned using external methods. An LCD monitor is best cleaned using a lint rag and glass cleaner.

You should power off your monitor and clean it with a lint-free dry cloth.