Unit 7 Quiz Mobile

Which laptop component makes use of throttling to reduce power consumption and heat?

• hard drive

• motherboard

• optical drive

• CPU

Which type of media would be used with a card reader attached to a laptop?

• Blu-ray

• DVD

• SD

• CD-R

Which statement is true of laptop motherboards?

• They are interchangeable with most desktop motherboards.

• The form factor varies by manufacturer.

• They follow standard form factors so they can be interchanged easily.

• Most of them use the ATX form factor.

What is a CRU as it relates to a laptop?

• a part a user can replace

• a network connector

• a type of storage device

• a type of processor

Answer explanation

Customer-replaceable units (CRUs) are parts that can be installed by someone that does not have advanced technical skills. Examples of CRUs include a laptop battery and memory

Which laptop part is removed by pressing outwards on clips that hold it into place?

• card reader

• SODIMM

• power supply

• wireless antenna

Answer explanation

When removing a SODIMM, make sure to remove the AC adapter and battery first. Then press outward on the clips to release it from the memory slot.

Which type of laptop display has components that may contain mercury and use either a CCFL or LED backlight?

• plasma

• OLED

• LCD

• LED

Answer explanation

Liquid crystal displays (LCDs) use more power than light-emitting diode (LED) or organic LED (OLED) displays. Both LCDs and LEDs use backlights, but LCD screens could use either a cold cathode fluorescent lamp (CCFL) or LED backlight.

A technician is trying to determine the cause of a laptop problem. Which of the listed activities is an example of the technician testing a theory?

• The technician uses an AC adapter to power the laptop.

• The technician asks the user the time the user first noticed the problem.

• The technician determines that the keyboard does not work.

• The technician suspects a loose cable.

Answer explanation

The first three steps of the troubleshooting process are to identify the problem, establish a theory of probable cause, and test the theory to determine the cause. During the third step, the technician is taking action on what is believed to be what is causing the problem such as using an AC adapter with a laptop. When a technician is questioning the user, the technician is trying to identify the problem. If the technician suspects that the battery does not have a charge, will not keep a charge, or that there might be loose cable connections, the technician is thinking through common laptop problems.

A traveling sales representative uses a cell phone to interact with the home office and customers, track samples, make sales calls, log mileage, and upload/download data while at a hotel. Which internet connectivity method would be a preferred method to use on the mobile device due to the low cost?

• cellular

• cable

• Z-Wave

• DSL

• Wi-Fi

Answer explanation

Mobile devices typically use either the cellular network or a Wi-Fi network to connect to the internet. The Wi-Fi connection is preferred because it uses less battery power and is free in many places.

What is used to provide location information to smart devices?

• Zigbee coordinator

• GPS

• e-reader

• smart hub

Answer explanation

The Global Positioning System (GPS) is a satellite-based navigation system that transmits signals back to GPS receivers on Earth.

Which wireless technology can be used to connect wireless headphones to a computer?

• 4G-LTE

• Bluetooth

• Wi-Fi

• NFC

Answer explanation

Bluetooth is a low-power, short range wireless technology that provides connectivity for accessories such as speakers, headphones, and microphones.