TestOut CompTia A+ Mobile Devices

Which of the following components allows a tablet to provide a screen interface that recognizes multiple finger touches at the same time? A) Capacitive touchscreen B) E Ink C) Bluetooth D) OLED display

A) Capacitive touchscreen

You have a mobile device that provides a touchscreen, but does not have touchscreen technology embedded into the display. Which of the following mobile device display components provides the touchscreen functionality? A) Digitizer B) Inverter C) OLED D) LCD

A) Digitizer

Which of the following mobile device components are often installed under the bezel of a mobile device display? (Select three.) A) OLED B) Webcam C) Wi-Fi antenna wires D) Inverter E) Touchscreen digitizer F) Microphone G) OEM

B) Webcam, C) Wi-Fi antenna wires and F) Microphone

A manufacturing company has customized a computer application that supervisors use to track line worker efficiency. Supervisors will interact with the application while walking within and between work areas and will also use the laptop while sitting at their desks. Which of the following laptop features will BEST minimize the awkward movement of carrying a bulky laptop with a hinged display while providing the flexibility to use the device at a desk? A) A rotating or removable screen B) Special function keys C) A laptop docking station D) A touchscreen display

A) A rotating or removable screen

You are a technician tasked with replacing the processor in a client's laptop. The laptop has been experiencing overheating issues and the client suspects the processor might be the cause. After opening the laptop, you notice that the processor is soldered onto the motherboard. What which of the following would be the BEST next step? A) Advise the client to purchase a new laptop. B) Desolder the processor and replace it with a new one. C) Replace the entire motherboard along with the processor. D) Clean the processor and apply new thermal paste.

A) Advise the client to purchase a new laptop.

Which of the following processes seats a SO-DIMM module in the slot on a laptop? A) Align the notch on the long side of the memory module with the rise in the memory slot. Insert the module pins into the slot at a 45-degree angle. Rotate the module by pressing down until the side hold-down clips snap into place. B) Align the notch on the long side of the memory module with the rise in the memory slot. Insert the module pins into the slot at a 90-degree angle to the motherboard and press down until the side hold-down clips snap into place. D) Slide the memory into the external ExpressCard slot horizontally until the card is even with the laptop case and you hear a click. D) Add the mounting pegs to the side of the memory module. Attach the ribbon cable and press into place until the mounting clips catch the mounting pegs.

A) Align the notch on the long side of the memory module with the rise in the memory slot. Insert the module pins into the slot at a 45-degree angle. Rotate the module by pressing down until the side hold-down clips snap into place.

A user wants to use a laptop to display a presentation on a large TV monitor that has an HDMI connection. Which of the following laptop ports or connections can they use to add this display device? (Select two.) A) DisplayPort using a DisplayPort-to-HDMI cable. B) USB port using a USB-to-wireless dongle. C) USB port using a USB-to-RJ45 dongle. D) Expresscard connection using a Expresscard Ethernet adapter. E) USB port using a USB-to-HDMI adapter.

A) DisplayPort using a DisplayPort-to-HDMI cable and E) USB port using a USB-to-HDMI adapter.

You need to replace the video card in a laptop. Which of the following is the first step? A) Find a service manual with correct disassembly procedures. B) Remove the display wires if the video card is integrated into the motherboard. C) Remove the keyboard. D) Remove the access panel at the bottom of the laptop. E) Remove the bezel.

A) Find a service manual with correct disassembly procedures.

Hardware component(s) that is labelled as a long-term storage option A) Hard disk B) Printer C) Keyboard D) CPU E) Speakers F) RAM G) DVD-RW H) Microphone

A) Hard disk and G) DVD-RW

Used to obtain wireless internet access using a WLAN A) Hotspot B) Tethering C) Bluetooth D) NFC E) Mobile VPN

A) Hotspot

Which of the following mobile connection types can enable other mobile devices to connect to the internet? A) Hotspot B) Bluetooth C) USB D) NFC

A) Hotspot

Which of the following mobile device display components provides the required power for a mobile device's screen? A) Inverter B) TN C) Digitizer D) IPS

A) Inverter

Which of the following are considered input devices? (Select three.) A) Keyboard B) Printer C) Scanner D) Microphone E) Monitor F) RAM

A) Keyboard, C) Scanner and D) Microphone

Which of the following display technologies require backlighting? (Select two.) A) LCD B) DMD C) LED D) Plasma E) OLED

A) LCD and C) LED

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

A) LEDs are used to backlight the screen.

A new laptop was delivered to your home and left on the porch while you were at work. It is very cold outside, and you don't know how long it has been there. You unpack the laptop. You would like to know if it is working properly. Which of the following is the BEST action to take? A) Let the laptop warm up to room temperature before turning it on. B) Blow compressed air into the cooling ports before turning the laptop on. C) Place the laptop next to a heater set to High. D) Turn on the laptop and run self-diagnostic tests. E) Visually inspect the LCD screen for cracks before turning the laptop on.

A) Let the laptop warm up to room temperature before turning it on.

Which of the following is a disadvantage of using a Lithium Ion (Li-Ion) battery over a Nickel Metal Hydride (NiMH) battery? A) Li-Ion batteries have a shorter lifespan than NiMH batteries. B) Li-Ion batteries take up more physical space than NiMH batteries. C) Li-Ion batteries are more heat-sensitive than NiMH batteries. D) Li-Ion batteries develop a memory, while NiMH batteries do not.

A) Li-Ion batteries have a shorter lifespan than NiMH batteries.

As an IT technician, you are often asked to work on laptop computers that included internal wireless network cards. Which of the following is the MOST commonly used type of card for these internal wireless adapters? A) Mini-PCI B) ExpressCard/34 C) FireWire D) USB

A) Mini-PCI

Most expensive Nickel battery A) Nickel Metal Hydride (NiMH) B) Lithium Ion (Li-Ion) C) Nickel Cadmium (NiCad)

A) Nickel Metal Hydride (NiMH)

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? A) OLED B) Plasma C) CRT D) LCD

A) OLED

Which of the following is an extra button or knob on a laptop keyboard that moves the mouse cursor? answer A) Pointing stick B) Touchpad C) Digitizer D) ExpressCard

A) Pointing stick

While using the touchpad on a laptop computer, you notice that the mouse is not responding very well, making it difficult to move the mouse around the screen. Which of the following actions would MOST likely fix this problem? A) Recalibrate the touchpad. B) Clean your fingers and try again. C) Replace the touchpad. D) Use a stylus on the touchpad.

A) Recalibrate the touchpad.

A technician is tasked with replacing an internal laptop hard drive. Which of the following hard drive standards is of MOST concern when selecting a replacement that is compatible with the laptop? A) The hard drive's form factor B) The hard drive's storage capacity C) The hard drive's minimum voltage requirements D) The hard drive's read and write speeds

A) The hard drive's form factor

What are the disadvantages of plasma display technology? (Select two.) A) They generate much more heat than other display types. B) The gasses inside the cells are sensitive to air pressure fluctuations. C) They have low contrast and cannot produce true black. D) They usually display colors less accurately than LCD displays. E) They consume less power than LCDs.

A) They generate much more heat than other display types and B) The gasses inside the cells are sensitive to air pressure fluctuations.

After replacing a laptop touchpad, a technician finds that the touchpad does not move the cursor. However, the attached USB mouse does. Which of the following actions should the technician perform before opening the laptop case to re-check the connection? A) Unplug the USB mouse and re-check touchpad movements. B) Toggle the scroll lock key on the keyboard. C) Increase the operating system's mouse speed setting. D) Perform a minimal boot of the operating system so that device drivers are not loaded.

A) Unplug the USB mouse and re-check touchpad movements.

A user opens a help desk ticket to replace a laptop keyboard. The user reports that the cursor randomly moves when typing, causing them to make frequent typing corrections. The problem does not occur when the laptop is attached to a docking station and an external keyboard is used. You want to find a more affordable solution than replacing the keyboard. Which of the following actions BEST mitigates this problem? A) Use the special function key to disable the touchpad when the laptop keyboard is used. B) Increase the screen resolution so that mouse movements are more granular. C) Lower the screen resolution so that mouse movements are less granular. D) Decrease the operating system's mouse speed setting.

A) Use the special function key to disable the touchpad when the laptop keyboard is used.

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

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

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.) A) GPS B) Accelerometer C) Geotracking D) Gyroscope E) Wi-Fi

B) Accelerometer and D) Gyroscope

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? A) An LED display that does not use backlighting. B) An LCD display that uses CCFL backlighting. C) An LCD display that uses LEDs for backlighting. D) A plasma display that does not use backlighting.

B) An LCD display that uses CCFL backlighting.

A user has configured their mobile device to unlock with facial recognition. Which of the following methods for securing the mobile device is being used? A) Locator application B) Biometric authentication C) Antivirus application D) Trusted source

B) Biometric authentication

In order to edit print server properties in Windows 11, which section do you need to select from the Settings menu? A) Bluetooth B) Bluetooth & devices C) Network & internet D) Accessibility

B) Bluetooth & devices

Which of the following input devices uses a stylus? A) Trackpoint B) Digitizer C) Touchscreen D) Touchpad

B) Digitizer

Battery that cannot be overcharged A) Nickel Metal Hydride (NiMH) B) Lithium Ion (Li-Ion) C) Nickel Cadmium (NiCad)

B) Lithium Ion (Li-Ion)

Battery that suffers from swelling and catching fire A) Nickel Metal Hydride (NiMH) B) Lithium Ion (Li-Ion) C) Nickel Cadmium (NiCad)

B) Lithium Ion (Li-Ion)

Battery that takes up the least physical space A) Nickel Metal Hydride (NiMH) B) Lithium Ion (Li-Ion) C) Nickel Cadmium (NiCad)

B) Lithium Ion (Li-Ion)

Which of the following is a 172-pin DIMM that is often used in laptops? A) DIMM+ B) MicroDIMM C) MacroDIMM D) TinyDIMM

B) MicroDIMM

Which type of interface is typically used for internal wireless networking cards in laptops? A) USB B) Mini-PCI C) FireWire D) PCI E) ExpressCard

B) Mini-PCI

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? A) TN B) OLED C) VA D) IPS

B) OLED

Which of the following are considered computer hardware? (Select two.) A) Microsoft Office B) Printer C) Drivers D) Motherboard E) Operating system

B) Printer and D) Motherboard

Hardware component(s) that is labelled as an output device A) Hard disk B) Printer C) Keyboard D) CPU E) Speakers F) RAM G) DVD-RW H) Microphone

B) Printer and E) Speakers

You recently replaced a malfunctioning video card on your laptop. After you reassemble the laptop, everything works well except for the wireless network connection. The wireless adapter functioned correctly before you replaced the video card. Which action can MOST likely resolve this problem? A) Replace the wireless network card. B) Reconnect the antenna connections. C) Use a wireless network adapter that plugs into a USB port. D) Reconnect the laptop battery.

B) Reconnect the antenna connections.

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? A) Remove the bezel. B) Remove the battery. C) Remove the video ribbon. D) Remove the screen.

B) Remove the battery.

Which of the following connects the internal laptop keyboard to the laptop's system board? A) Mini-molex connector B) Ribbon cable C) USB connector D) PS/2 port

B) Ribbon cable

Which peripheral device is best for capturing a customer's signature when they check out at a convenience store or supermarket? A) NFC device B) Signature pad C) Touchpad D) Card reader

B) Signature pad

Allows you to share a phone's internet connection with a laptop. A) Hotspot B) Tethering C) Bluetooth D) NFC E) Mobile VPN

B) Tethering

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

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

Which of the following is considered a computer input device? A) Projector B) Touchscreen C) RAM D) Hard disk

B) Touchscreen

You are removing the bezel from a laptop's LCD display screen. After several attempts to pry up the bezel and remove it, you have not separated the bezel from the case. Which of the following is the MOST likely reason for your inability to remove the bezel? A) The bezel is not designed to be removed. B) You missed a screw. C) The bezel is glued in place. D) You have been using a metal tool to pry up the bezel.

B) You missed a screw.

Which type of authentication would require a user fingerprint or facial recognition for a user to get past the screen lock on a mobile device and gain access?

Biometric

Which feature makes it possible to close some notebook computers and still use the touchscreen? A) Dual display B) Removable touchscreen C) 180-degree rotating touchscreen D) External touchscreen

C) 180-degree rotating touchscreen

You need to replace the hard disk in your laptop computer. Which of the following hard drive sizes should you choose for the laptop? A) 5.25" B) 3.5" C) 2.5" D) 1.25"

C) 2.5"

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) A large OLED monitor B) A large LCD monitor C) A large screen and a projector D) A large plasma monitor

C) A large screen and a projector

Which of the following devices authenticates users based on their physical features? A)NFC device B) VR headset C) Biometric scanner D) Barcode reader

C) Biometric scanner

A wireless technology standard for exchanging data over short distances. A) Hotspot B) Tethering C) Bluetooth D) NFC E) Mobile VPN

C) Bluetooth

You have just purchased a smart watch to track your fitness statistics and health. To change the interface or update the firmware, you need to use an app on your smartphone. Which of the following connection technologies will you MOST likely use to communicate between your watch and the app? A) USB cable B) E Ink C) Bluetooth E) Wi-Fi

C) Bluetooth

You are a trainer for your company and often teach courses in a classroom located on campus or in a hotel conference room. In your office, which is separate from the classroom, you have two external monitors connected to your laptop, and you are able to display different content on each monitor. However, when teaching, you only have your laptop and a projection unit. To make teaching easier, you want the same content to show on both the laptop monitor and the projection screen. Which of the following multiple display options would be BEST to select when you are teaching? A) Show only on 1 B) Show only on 2 C) Duplicate these displays D) Extend these displays

C) Duplicate these displays

You have a notebook computer with a built-in wireless network card. One day, the network card stops working. Because the network card is integrated onto the motherboard, you do not want to replace the entire motherboard. What can you use to connect to the wireless network? (Select two.) A) Enable the infrared port on the notebook. B) Install a PCI wireless network card. C) Insert a wireless USB network card. D) Enable the Bluetooth adapter on the notebook. E) Insert an ExpressCard wireless network card

C) Insert a wireless USB network card and E) Insert an ExpressCard wireless network card

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

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

Hardware component(s) that is labelled as an input device A) Hard disk B) Printer C) Keyboard D) CPU E) Speakers F) RAM G) DVD-RW H) Microphone

C) Keyboard and H) Microphone

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? A) OLED display with wide-angle viewing. B) Plasma display with no motion blur. C) LCD display with TN panel. D) LCD display with IPS panel.

C) LCD display with TN panel.

Which of the following battery types offers the greatest storage capacity in the smallest amount of space? A) Nickel Metal Hydride (NiMH) B) Carbon C) Lithium Ion (Li-Ion) D) Nickel Cadmium (NiCad)

C) Lithium Ion (Li-Ion)

Battery that takes up the most physical space A) Nickel Metal Hydride (NiMH) B) Lithium Ion (Li-Ion) C) Nickel Cadmium (NiCad)

C) Nickel Cadmium (NiCad)

A user wants to utilize her laptop to give a presentation on a video projector. She has called, asking you how to switch the display to the external monitor port on her laptop. Which of the following should you tell her? A) The laptop should have automatically detected the external display and redirected video output to it. B) Increase the screen brightness until the display appears on the video projector. C) Press and hold the fn key. Then press the monitor function key (with an image of a monitor on it). D) This cannot be done. A special adapter must be installed in a USB slot on the laptop.

C) Press and hold the fn key. Then press the monitor function key (with an image of a monitor on it).

Which computer function takes data through a series of procedures as defined by a set of instructions? A) Storage B) Networking C) Processing D) Output

C) Processing

Jamie has been tasked with designing a solution for the paralegals in his office. They need to review old documents that are on paper files and create word processor documents from them that can be searched and cross-referenced. Which of the following devices should Jamie use to create the solution? (Select two.) A) Printer B) Biometric scanner C) Scanner D) Projector E) Digitizer

C) Scanner and E) Digitizer

You need to replace a broken monitor on a desktop system. You decide to replace it with a spare monitor that wasn't being used. Even though the monitor is made by a different manufacturer than the desktop computer, it still works with the computer. Which computer design concept makes this possible? A) Componentization B) Firmware C) Standardization D) Plug and play

C) Standardization

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.) A) Malware was installed as part of the download that targeted the backlight circuitry. B) The extended download placed high demands on the system DC power, causing the BIOS to shut off the backlight. C) The cold cathode fluorescent lamp (CCFL) has burned out and needs to be replaced. D) The wireless network card is emitting radio signals that interfere with the backlight, causing it to stop functioning. E) The inverter in the LCD assembly has malfunctioned.

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

When a presenter at a conference connects a laptop to a projector, the projector mirrors the laptop's display. The presenter wants to extend the laptop's desktop instead. Which of the following options is the QUICKEST way to make the change? A) Change the dual display settings in the operating system's Control Panel. B) Disconnect and reconnect the laptop to the projector. C) Toggle the dual display function key on the laptop. D) Select the proper video source from the projector's settings menu.

C) Toggle the dual display function key on the laptop.

A technician is tasked with configuring a mobile device to connect securely to the company network when the device is used at off-site locations where only internet connectivity is available. Which of the following should the technician configure? A) Hotspot B) IMAP C) VPN D) Bluetooth

C) VPN

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? A) Tighten down the bezel screws. B) Replace the LCD screen display. C) Reconnect the video ribbon. D) Replace the CCFL inverter.

D) Replace the CCFL inverter.

Produces better colors than WLED (consumes more energy).

CCFL

While servicing your laptop, you notice that your Lithium Ion battery is swelling. What is the BEST action you can take to resolve the situation? A) Check the battery again in a few days B) Remove the battery and cool it down C) Check the battery's voltage D) Replace the battery

D) Replace the battery

You are a computer technician. A user reports that an older laptop is having trouble connecting with newer wireless networks. Which of the following actions should you consider as an alternative to replacing the laptop? A) Add more memory. B) Replace the hard drive with one with a larger capacity. C) Replace the system board. D) Replace the internal wireless card.

D) Replace the internal wireless card.

You've just purchased an Ethernet adapter for your Android tablet. Which of the following USB connector types would you MOST likely use to plug in to the adapter? A) USB-B connector B) Serial connector C) USB-A connector D) USB-C connector

D) USB-C connector

A technician is tasked with replacing a Wi-Fi antenna in a laptop computer. Which of the following places is the antenna MOST likely to be located in? A) Next to the laptop's battery B) Near the memory expansion slots C) Under the laptop's keyboard D) Around the laptop's bezel

D) Around the laptop's bezel

Which of the following devices would you add to a computer if you needed to take inventory at a retail store by scanning the UPC symbols on products? A) Scanner B) Trackball C) Touch screen D) Bar code reader

D) Bar code reader

Hardware device(s) with processing capabilities A) Hard disk B) Printer C) Keyboard D) CPU E) Speakers F) RAM G) DVD-RW H) Microphone

D) CPU and F) RAM

You work as the IT administrator for a small news station. Jill, an employee in Building 2, works in the audio-video editing department and would like to increase her productivity. For example, she would like to be able to run multiple programs simultaneously and be able to compare video clips side by side. Which of the following configuration changes would provide the BEST solution for Jill? A) Configure Jill's computer with a higher resolution. B) Grant Jill access to a remote workstation. C) Provide Jill with a second computer. D) Configure Jill's computer with dual monitors.

D) Configure Jill's computer with dual monitors.

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? A) LCD display panel B) LCD projector C) OLED display panel D) DLP projector

D) DLP projector

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

D) In-plane switching (IPS)

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? A) Plasma display with no motion blur. B) LCD display with TN panel. C) OLED display with wide-angle viewing. D) LCD display with IPS panel.

D) LCD display with IPS panel.

Which of the following display technologies suffer from motion blur? A) Plasma B) DLP projector C) OLED D) LCD projector

D) LCD projector

Which of the following battery types is the MOST expensive? A) Nickel Cadmium (NiCad) B) Nickel Metal Hydride (NiMH) C) Lead-Acid D) Lithium Ion (Li-Ion)

D) Lithium Ion (Li-Ion)

Used to emulate cryptographic smart card functionalities. A) Hotspot B) Tethering C) Bluetooth D) NFC E) Mobile VPN

D) NFC

Which of the following connectivity technologies allows you to tap your credit card rather than swipe it or insert it into a chip reader? A) Bluetooth B) Hotspot C) USB D) NFC

D) NFC

Which of the following battery types has the greatest need to be completely drained before being recharged? A) Nickel Metal Hydride (NiMH) B) Carbon C) Lithium Ion (Li-Ion) D) Nickel Cadmium (NiCad)

D) Nickel Cadmium (NiCad)

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? A) Plasma B) LCD C) DLP D) OLED

D) OLED

You are a technician for a company. Additional funds have been allocated to the sales department, and they have asked you to upgrade the memory modules in each employee's notebook computer. Which of the following are the MOST common methods to access these memory slots? (Select two.) A) Remove the bezel. B) Remove a side panel and pull out the tray that holds the memory. C) Remove the LCD panel. D) Remove the keyboard. E) Open a panel on the bottom of the notebook.

D) Remove the keyboard. and E) Open a panel on the bottom of the notebook.

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? A) Organic light-emitting diode (OLED) B) In-plane switching (IPS) C) Twisted nematic (TN) D) Vertical alignment (VA)

D) Vertical alignment (VA)

Which of the following terms describes the difference between white and black in an LCD monitor? A) Pitch B) Resolution C) Aspect ratio D) Brightness E) Contrast ratio

E) Contrast ratio

Which of the following help to improve the security of sensitive information on your mobile device if it is lost or stolen? (Select three.) A)Anti-malware software B) Remote backup C) A firewall D) Up-to-date OS updates and patches E) Locator applications F) Remote wipe G) A screen lock

E) Locator applications, F) Remote wipe and G) A screen lock

Provides mobile devices with access to network resources and software applications on a home network. A) Hotspot B) Tethering C) Bluetooth D) NFC E) Mobile VPN

E) Mobile VPN

Type of mobile device that provides a high-contrast display, making it ideal for reading electronic newspapers in direct sunlight

E-reader

Type of mobile device that uses E Ink technology

E-reader

Able to dim specific regions of the screen

Full-array WLED

Superior accuracy -- most expensive type of backlighting technology

RGB-LED

Type of mobile device that most likely uses a 4G, 5G, or LTE connection

Smartphone

Type of mobile device often includes a stylus for precise drawing and control

Tablet

Least expensive, thinnest, and most widely used type of LCD

WLED

Type of mobile device that includes VR headsets

Wearable device