1.1 Mobile Devices Review Questions

Question 1

A client has a laptop with which you are unfamiliar. You are asked to perform a memory upgrade. How can you obtain the service manual for this laptop computer?

Answer 1

By searching the manufacturer’s website(laptop service manuals can be obtained from the manufacturer’s website)

Question 2

You’re manager tells you to replace the inverter on a broken laptop. Where will you find this component?

Answer 2

In the display(the inverter, which transforms AC power into DC power for an LCD backlight)

Question 3

You need to replace an LCD on a defective laptop. Which of the following are components of an LCD?

Answer 3

Inverter & Screen(The components of an LC screen are the inverter, screen, and backlight)

Question 4

A user complains that his mouse cursor randomly jumps to different places on the screen when he types. Which device might you want to disable to prevent this from happening?

Answer 4

Touchpad (The touchpad sits below the keyboard, where a user’s palms may rest when he is typing.)

Question 5

One of the users on you’re network needs to travel, and she wants to work on the airplane. Which laptop accessory will allow her to power her laptop from the airplane?

Answer 5

DC adapter (A DC adapter converts the DC output from a car or airplane accessory power plug into the DC voltages required by your laptop)

Question 6

You need to replace defective DDR4 memory in a laptop. How many pins will the replacement memory module have?

Answer 6

260 (DDR4 SODIMMs have 260 pins)

Question 7

A user complains that his 2-in-1 laptop screen does not properly detect where he places his finger on the screen. What should you do first to resolve the issue?

Answer 7

Recalibrate the touch screen (If the touch screen is not responding properly, the first step is to recalibrate it)

Question 8

You are sitting in a coffee shop and using the public wireless network. You suddenly notice suspicious activity on your laptop. Which laptop feature should you use?

Answer 8

Wi-Fi function key (You’re best bet is to turn off you’re wireless connection immediately in order to sever the tie between you’re laptop and the public network)

Question 9

There has recently been a string of hardware thefts in your office building. What should you recommend that your users implement to help avoid this problem?

Answer 9

Use a cable lock (Sometimes the only way to ensure that equipment doesn’t walk away is to lock it down physically. Laptops come equipped with holes for cable locks that can be used to secure them to a desk or other workstation)

Question 10

Which of the following describes the job of an inverter in a laptop?

Answer 10

It converts DC power into AC power for the display backlight (The laptop power supply converts AC power into DC power for the laptop’s internal circuitry)

Question 11

Which of the following laptop features turns off all wireless communications?

Answer 11

Airplane mode function key (When enabled, Airplane mode turns off all wireless communications, including Wi-Fi, cellular, Bluetooth, and GPS)

Question 12

A user on your network wants to be able to draw images on a screen and have the laptop capture them. What type of device needs to be installed on his laptop?

Answer 12

Digitizer (The user needs a digitizer, which takes input from the device, such as drawn images, and converts them into electronic images on the computer. The user could also use a touch screen for the same purpose)

Question 13

A user has requested a laptop memory upgrade. The technician attempts to put in new memory, but the memory module is barely too wide for the slot. What is the most likely scenario?

Answer 13

The technician is trying to install DDR4 into a motherboard with DDR3 slots (Laptops use SODIMMs (or possibly MicroDIMMs), which are much smaller than standard DIMMs used in desktops)

Question 14

You have a user who needs to keep desktop devices such as keyboard, monitor, and mouse permanently connected so that they can be used by an attached laptop. What type of device do you recommend that they use?

Answer 14

Docking Station (A docking station made specifically for its associated brand and model of laptop can host desktop components permanently, regardless of whether the laptop is attached to
the docking station)

Question 15

The process by which the processor slows down to conserve power is officially called _______?

Answer 15

Throttling (The processor can reduce how fast it’s working, which is called throttling, to help conserve battery life)

Question 16

You need to replace a failed AC adapter for a client’s laptop. When replacing the adapter, which of the following purchases is acceptable to obtain the same or better results?

Answer 16

An AC adapter with a higher wattage rating than the original (Think of wattage as a “bucket” of power that the attached device can draw from. A bigger bucket simply holds more power but does not force the power on the device) wrong????

Question 17

What should you do for a Li-ion battery that appears to charge fully but does not last as long as the battery’s meter indicates that it will last?

Answer 17

Calibrate the battery (Battery calibration for Li-ion batteries allows the powered device to drain the battery’s power before recharging)

Question 18

You are giving a seminar to new technicians on replacing laptop hard drives. A student asks how do laptop hard drives differ from desktop hard drives. What do you tell them?

Answer 18

The most common form factors for laptop hard drives is smaller than that of a desktop hard drive (Laptop hard drives commonly have a 2.5′′ form factor, and smaller drives, such as M.2, are becoming more popular. The most common form factor for desktop hard drives
is 3.5′′. Laptop hard drives use the same drive technologies as their desktop counterparts, such as serial and parallel ATA. As with desktop hard drives, laptop hard drives are available in both solid-state and conventional varieties. Unlike desktop hard drives, laptop hard drives do not have separate power connectors)

Question 19

One of your network users has an older laptop with no Bluetooth support. He recently received a Bluetooth headset that he needs to use with his laptop. What is the quickest and cheapest way to make the headset compatible with his laptop?

Answer 19

Buy a USB Bluetooth adapter (A USB Bluetooth adapter should do the trick)

Question 20

A user wants her laptop to have a full-sized optical drive and external hard drive. Which of the following accessories is most likely to have full-sized bays for these devices?

Answer 20

Mini PCIe dock (A docking station is a device that a laptop can be plugged into that replicates common laptop ports, and may also have full-sized bays for PC desktop expansion cards and storage devices, such as hard drives and optical drives)

Question 21

PBQ: The hard drive on a Dell Inspiron 13 7000 computer failed. You have an extra hard drive of the exact same type. What would you do to replace it?

Answer 21

1. Turn off the computer.
2. Remove the bottom of the case.
3. Remove the screw holding the M.2 drive in place.
4. Slide the hard drive straight out of the M.2 connector.
5. Insert the new drive into the connector at the same angle as the old drive was at when
   it was unscrewed.
6. Press the drive down and secure it with a screw.
7. Put the bottom of the case back on.