core1 mobile devices practice

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? Touch screen Scanner Trackball Bar code reader

Bar code reader

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 DLP projector LCD projector OLED display panel

DLP projector

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.) Printer Projector Digitizer Biometric scanner Scanner

Digitizer Scanner

You are sitting in a coffee shop with your laptop computer and have connected to the internet through an unrestricted Wi-Fi connection. What is this type of Wi-Fi connection called? Wireless fidelity Hotspot Bluetooth 802.11 standard

Hotspot

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

In-plane switching (IPS)

Which of the following MOST accurately describes a touch pen? Works well for high-quality digital drawings. Does not contain electronics. Includes features such as tilt and pressure sensitivity. Includes a soft rubber tip at the end.

Includes features such as tilt and pressure sensitivity.

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

LCD LED

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

LCD Display with TN Panel LCD displays with TN panels are the most common technology used by LCDs. TN panels have very good response times (1 to 5 ms) and refresh rates (60 to 144 Hz), so they are great for PC gaming. They are more affordable and have faster response times than LCDs with IPS panels, use far less power than a plasma display, and are far more affordable than OLED displays.

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

LCD display with IPS panel.

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

LCD projector

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

MicroDIMM

You have subscribed to a cloud-based service to synchronize data between your mobile device and your PC. Before allowing the data to be synchronized, this service uses a process where the cloud service and the client on the mobile device verify each other's security certificates. What is this process called? Virtual private network Tethering Hotspot connection Mutual authentication

Mutual authentication

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 OLED DLP

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? CRT Plasma OLED LCD

OLED

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? Reconnect the antenna connections. Replace the wireless network card. Use a wireless network adapter that plugs into a USB port. Reconnect the laptop battery.

Reconnect the antenna connections.

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

Remote wipe Locator applications A screen lock

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? Reconnect the video ribbon. Replace the CCFL inverter. Replace the LCD screen display. Tighten down the bezel screws.

Replace the CCFL inverter.

Which of the following protocols can encrypt emails on a mobile device? SSL POP3 SMTP IMAP

SSL

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

Vertical alignment (VA)

Listen to exam instructions Which type of interface is typically used for internal wireless networking cards in laptops? PCI USB FireWire ExpressCard Mini-PCI

Mini-PCI

As a technician, you have been tasked with increasing the RAM memory on a laptop by adding a SO-DIMM module to an empty memory slot. Which of the following processes seats the module in the slot? -Slide the memory into the external ExpressCard slot horizontally until the card is even with the laptop case and you hear a click. -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. -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. -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.

-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.

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.) -Insert an ExpressCard wireless network card. -Install a PCI wireless network card. -Enable the infrared port on the notebook. -Enable the Bluetooth adapter on the notebook. -Insert a wireless USB network card.

-Insert an ExpressCard wireless network card. -Insert a wireless USB network card.

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

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

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

-Lithium Ion (Li-Ion)

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

-Nickel Cadmium (NiCad)

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

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