IT Essentials (ITe V6.0) Chapter 9 Practice Exam

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IT Essentials Quizzes & Trivia

Questions and Answers
  • 1. 

    Which two statements are true of a laptop CPU when compared to a desktop CPU? (Choose two.)

    • A.

      Laptop CPUs operate at higher clock speeds.

    • B.

      Laptop CPUs use smaller cooling devices.

    • C.

      Laptop CPUs consume more power.

    • D.

      Laptop CPUs are interchangeable with desktop CPUs.

    • E.

      Laptop CPUs are designed to produce less heat.

    Correct Answer(s)
    B. Laptop CPUs use smaller cooling devices.
    E. Laptop CPUs are designed to produce less heat.
    Explanation
    Laptop CPUs use smaller cooling devices because laptops have limited space for cooling systems, so they need smaller and more efficient cooling solutions. Additionally, laptop CPUs are designed to produce less heat because laptops have limited ventilation and need to dissipate heat more effectively to prevent overheating. This is achieved through various design optimizations, such as lower power consumption and more efficient architecture.

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  • 2. 

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

    • A.

      CPU

    • B.

      Motherboard

    • C.

      Optical drive

    • D.

      Hard drive

    Correct Answer
    A. CPU
    Explanation
    The CPU (Central Processing Unit) is the component of a laptop that makes use of throttling to reduce power consumption and heat. Throttling is a technique used to decrease the performance of the CPU temporarily in order to prevent it from overheating or consuming excessive power. By reducing the clock speed or voltage of the CPU, throttling helps to maintain a balance between performance and heat/power management, thus ensuring the proper functioning and longevity of the laptop.

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  • 3. 

    Why are SODIMMs well suited for laptops?

    • A.

      They have a small form factor.

    • B.

      They connect to external ports.

    • C.

      They do not produce heat.

    • D.

      They are interchangeable with desktops.

    Correct Answer
    A. They have a small form factor.
    Explanation
    SODIMMs (Small Outline Dual Inline Memory Modules) are well suited for laptops because they have a small form factor. This means that they are physically smaller than regular DIMMs (Dual Inline Memory Modules) used in desktop computers. The smaller size of SODIMMs allows them to fit into the limited space available in laptops, making them a suitable choice for these portable devices.

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  • 4. 

    What is a characteristic of laptop motherboards?

    • A.

      Laptop motherboards use the same form factors as desktop motherboards.

    • B.

      Laptop motherboards are proprietary.

    • C.

      Laptop motherboards use standard form factors.

    • D.

      Laptop motherboard components are compatible with desktop motherboards.

    Correct Answer
    B. Laptop motherboards are proprietary.
    Explanation
    Laptop motherboards are proprietary, meaning they are specifically designed and manufactured for a particular laptop model or brand. Unlike desktop motherboards, which often use standard form factors that allow for interchangeability and compatibility with various components, laptop motherboards are unique to each laptop model. This proprietary nature of laptop motherboards ensures that they fit perfectly within the limited space available in laptops and are compatible with the specific components and features of the laptop.

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  • 5. 

    Which laptop component converts DC power to AC power?

    • A.

      Fluorescent tube

    • B.

      Inverter

    • C.

      Power supply

    • D.

      Backlight

    Correct Answer
    B. Inverter
    Explanation
    The correct answer is inverter. An inverter is a laptop component that converts DC (direct current) power from the battery or power supply into AC (alternating current) power. This is necessary because most electronic devices, including laptops, require AC power to function properly. The inverter ensures that the laptop receives the correct type of power for its operation.

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  • 6. 

    Where is a Wi-Fi antenna commonly located on a laptop?

    • A.

      On an external USB adapter

    • B.

      Above the laptop screen

    • C.

      Next to the keyboard

    • D.

      On the side of the laptop

    Correct Answer
    B. Above the laptop screen
    Explanation
    A Wi-Fi antenna is commonly located above the laptop screen. This placement allows for better reception and transmission of wireless signals, as it provides a clear line of sight to the surrounding area. Placing the antenna in this position helps to minimize interference from other components within the laptop and optimize the wireless connectivity for the user.

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  • 7. 

    Which two methods can be used to configure laptop ACPI power options? (Choose two.)

    • A.

      BIOS settings

    • B.

      Windows Power Options utility

    • C.

      Windows UAC settings

    • D.

      Windows AERO theme settings

    • E.

      Power dial

    Correct Answer(s)
    A. BIOS settings
    B. Windows Power Options utility
    Explanation
    The two methods that can be used to configure laptop ACPI power options are BIOS settings and the Windows Power Options utility. The BIOS settings allow users to configure power options at a hardware level, while the Windows Power Options utility provides a user-friendly interface to customize power settings within the operating system.

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  • 8. 

    A user needs to connect a Bluetooth device to a laptop. Which type of cable is needed to accomplish this?

    • A.

      VGA cable

    • B.

      USB cable

    • C.

      EIA/TIA 232 cable

    • D.

      None. Bluetooth connections are wireless.

    • E.

      Parallel cable

    Correct Answer
    D. None. Bluetooth connections are wireless.
    Explanation
    The correct answer is "None. Bluetooth connections are wireless." Bluetooth technology allows devices to connect and communicate wirelessly without the need for any cables. It uses radio waves to establish a connection between devices, eliminating the need for physical cables like VGA, USB, EIA/TIA 232, or parallel cables. Bluetooth technology is commonly used for connecting devices such as headphones, speakers, keyboards, and mice to laptops or other devices.

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  • 9. 

    A technician has installed a wireless Ethernet card in a Windows 7 laptop. Where would the technician configure a new wireless connection?

    • A.

      Control Panel > Administrative Tools > Services

    • B.

      Control Panel > Networking and Sharing Center > Set up a new connection or network

    • C.

      Control Panel > Internet Options

    • D.

      Control Panel > System > Device Manager

    Correct Answer
    B. Control Panel > Networking and Sharing Center > Set up a new connection or network
    Explanation
    In Windows 7, to configure a new wireless connection, the technician would go to Control Panel > Networking and Sharing Center > Set up a new connection or network. This option allows the technician to set up a new wireless connection by selecting the type of network and following the necessary steps to establish the connection.

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  • 10. 

    Which technology provides laptops the ability to function on a cellular network?

    • A.

      Bluetooth

    • B.

      Mobile hotspot

    • C.

      Infrared

    • D.

      802.11 Wi-Fi

    Correct Answer
    B. Mobile hotspot
    Explanation
    A mobile hotspot is a technology that allows laptops to function on a cellular network. It creates a Wi-Fi network that laptops can connect to, using the cellular data connection of a smartphone or portable hotspot device. This enables laptops to access the internet and other online services even when there is no Wi-Fi network available.

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  • 11. 

    A technician is trying to remove a SODIMM module from a laptop. What is the correct way to do this?

    • A.

      Pull outward by holding the center of the SODIMM module.

    • B.

      Apply downward force on the SODIMM module.

    • C.

      Desolder the SODIMM module.

    • D.

      Press outward on the clips that hold the sides of the SODIMM.

    Correct Answer
    D. Press outward on the clips that hold the sides of the SODIMM.
    Explanation
    To remove a SODIMM module from a laptop, the correct way is to press outward on the clips that hold the sides of the SODIMM. This is because the clips are designed to secure the module in place, and pressing outward on them will release the module from its slot. Pulling outward by holding the center of the SODIMM module or applying downward force on it may cause damage to the module or the motherboard. Desoldering the SODIMM module is not necessary for its removal and is a more complex process.

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  • 12. 

    When replacing or adding memory to a laptop, where can a technician find the maximum amount of RAM each memory slot can support?

    • A.

      BIOS

    • B.

      System Properties window

    • C.

      POST screen

    • D.

      Website of manufacturer

    Correct Answer
    D. Website of manufacturer
    Explanation
    The maximum amount of RAM each memory slot can support can be found on the website of the manufacturer. The manufacturer's website typically provides detailed specifications and information about the laptop, including the maximum RAM capacity for each memory slot. Technicians can refer to this information to ensure they are installing the correct amount of memory in each slot.

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  • 13. 

    What should be done immediately after a CPU is latched in and screwed down to a laptop motherboard?

    • A.

      The heat sink should be attached to the CPU.

    • B.

      The cooling fan should be fastened to the motherboard.

    • C.

      The power cable should be attached from the cooling fan to the motherboard.

    • D.

      The locked down CPU should be protected with thermal paste.

    Correct Answer
    D. The locked down CPU should be protected with thermal paste.
    Explanation
    After a CPU is latched in and screwed down to a laptop motherboard, it is important to protect the locked down CPU with thermal paste. Thermal paste helps in transferring heat away from the CPU to the heat sink more efficiently, preventing overheating and ensuring optimal performance. Attaching the heat sink, fastening the cooling fan to the motherboard, and attaching the power cable from the fan to the motherboard are also important steps, but the immediate priority is to protect the CPU with thermal paste.

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  • 14. 

    Which technology allows a mobile device to establish wireless communication with another mobile device by touching them together?

    • A.

      Bluetooth

    • B.

      NFC

    • C.

      IR

    • D.

      Lighting connector

    Correct Answer
    B. NFC
    Explanation
    NFC (Near Field Communication) is the technology that allows a mobile device to establish wireless communication with another mobile device by touching them together. NFC enables devices to exchange data and information over short distances, typically within a few centimeters. It is commonly used for contactless payments, file sharing, and pairing devices. Bluetooth is a wireless technology used for connecting devices over longer distances, while IR (Infrared) and Lighting connector are not specifically designed for wireless communication between mobile devices.

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  • 15. 

    Which technology will allow a mobile device to share an Internet connection with other devices via tethering?

    • A.

      Infrared

    • B.

      Bluetooth

    • C.

      Near field communication

    • D.

      Wi-Fi

    Correct Answer
    B. Bluetooth
    Explanation
    Bluetooth technology allows a mobile device to share an Internet connection with other devices via tethering. Bluetooth is a wireless communication technology that enables devices to connect and exchange data over short distances. By enabling tethering, the mobile device acts as a hotspot, allowing other devices to connect to it and access the Internet using the mobile device's data connection. This feature is especially useful when there is no Wi-Fi network available, or when the user wants to share their mobile data with other devices.

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  • 16. 

    What are two differences between an e-reader and a tablet device? (Choose two.)

    • A.

      An e-reader only supports Wi-Fi connectivity but a tablet can support both Wi-Fi and cellular connectivity.

    • B.

      An e-reader commonly has longer battery life than a tablet device.

    • C.

      A tablet device is usually lighter in weight than an e-reader.

    • D.

      A tablet device screen may be harder to read in direct sunlight than an e-reader screen.

    • E.

      A tablet uses an electronic paper technology that provides better performance than an e-reader.

    Correct Answer(s)
    B. An e-reader commonly has longer battery life than a tablet device.
    D. A tablet device screen may be harder to read in direct sunlight than an e-reader screen.
    Explanation
    An e-reader commonly has longer battery life than a tablet device because e-readers are designed primarily for reading e-books and use e-ink technology, which consumes less power compared to the LCD or OLED screens used in tablets. Additionally, a tablet device screen may be harder to read in direct sunlight than an e-reader screen because e-readers use e-ink displays that mimic the appearance of ink on paper, resulting in better readability in bright light conditions compared to tablets with glossy screens.

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  • 17. 

    What type of device is commonly used to measure and collect daily activity data for achieving personal goals?

    • A.

      Phablet

    • B.

      Smart camera

    • C.

      Fitness monitor

    • D.

      Global Positioning system

    Correct Answer
    C. Fitness monitor
    Explanation
    A fitness monitor is commonly used to measure and collect daily activity data for achieving personal goals. These devices are designed to track various metrics such as steps taken, distance traveled, calories burned, heart rate, and sleep patterns. They are typically worn on the wrist or clipped onto clothing and provide real-time feedback on activity levels. Fitness monitors are popular among individuals who want to monitor and improve their physical fitness, as well as those who are working towards specific health goals such as weight loss or increasing daily activity.

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  • 18. 

    A technician has been asked to decide which laptop components should be cleaned on a monthly basis as part of a maintenance routine. What are two examples of components that should be included? (Choose two.)

    • A.

      Exterior case

    • B.

      Keyboard

    • C.

      CPU

    • D.

      Optical Drive

    • E.

      RAM

    Correct Answer(s)
    A. Exterior case
    B. Keyboard
    Explanation
    The exterior case and keyboard are two components that should be included in the monthly cleaning routine. The exterior case can accumulate dust and dirt over time, which can affect the overall performance and appearance of the laptop. Cleaning the exterior case regularly helps to maintain its condition and prevent any potential damage. The keyboard is another component that should be cleaned regularly as it can accumulate debris, dust, and even food particles. Regular cleaning of the keyboard ensures smooth functioning of the keys and prevents any buildup that may hinder typing or cause damage to the keyboard.

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  • 19. 

    To clean laptops, which two products are recommended? (Choose two.)

    • A.

      Cotton swabs

    • B.

      Rubbing alcohol

    • C.

      Ammonia

    • D.

      Mild cleaning solution

    • E.

      Car wax

    Correct Answer(s)
    A. Cotton swabs
    D. Mild cleaning solution
    Explanation
    Cotton swabs are recommended for cleaning laptops because they are small and can easily reach into tight spaces to remove dust and dirt. Mild cleaning solution is also recommended as it is safe for use on electronic devices and can effectively remove smudges and fingerprints without damaging the laptop's surface.

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  • 20. 

    What two steps must be taken before performing a cleaning procedure on a laptop computer? (Choose two.)

    • A.

      Disconnect the laptop from the electrical outlet.

    • B.

      Remove all installed batteries.

    • C.

      Wipe the surface of the touch pad.

    • D.

      Clean the screen with a cloth.

    • E.

      Insert the cleaning disk into the optical drive.

    • F.

      Backup the registry.

    Correct Answer(s)
    A. Disconnect the laptop from the electrical outlet.
    B. Remove all installed batteries.
    Explanation
    Before performing a cleaning procedure on a laptop computer, it is important to disconnect the laptop from the electrical outlet to avoid any risk of electric shock. Additionally, removing all installed batteries is necessary to ensure the laptop is completely powered off and there is no remaining power source. These two steps ensure the safety of the user and prevent any damage to the laptop during the cleaning process.

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  • 21. 

    What is the first step in the process of troubleshooting a laptop?

    • A.

      Establish probable causes.

    • B.

      Determine the exact cause.

    • C.

      Identify the problem.

    • D.

      Verify full functionality.

    Correct Answer
    C. Identify the problem.
    Explanation
    The first step in the process of troubleshooting a laptop is to identify the problem. This involves gathering information about the issue, such as the symptoms, error messages, or any recent changes that may have occurred. By identifying the problem, it becomes easier to determine the appropriate course of action and potential solutions. Without knowing the problem, it would be difficult to effectively troubleshoot and resolve the issue.

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  • 22. 

    What is the next step in the troubleshooting process after a solution has been implemented on a laptop?

    • A.

      Verify the solution.

    • B.

      Document the solution.

    • C.

      Ask the customer to explain the problem.

    • D.

      Return the device to the customer.

    Correct Answer
    A. Verify the solution.
    Explanation
    After implementing a solution on a laptop, the next step in the troubleshooting process is to verify the solution. This involves checking if the issue has been resolved and ensuring that the laptop is functioning properly. By verifying the solution, one can confirm if the troubleshooting steps taken were successful and if any further action is required. This step is crucial to ensure that the problem has been effectively addressed and to prevent any recurring issues.

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  • 23. 

    While troubleshooting a mobile device, a technician determines that the battery is not holding a charge. What is the next step in the troubleshooting process?

    • A.

      Implement a solution.

    • B.

      Document the findings.

    • C.

      Determine the exact cause.

    • D.

      Verify the solution and full system functionality.

    Correct Answer
    C. Determine the exact cause.
    Explanation
    The next step in the troubleshooting process after determining that the battery is not holding a charge is to determine the exact cause. This involves further investigation and analysis to identify what is causing the battery to not hold a charge. By determining the exact cause, the technician can then develop an appropriate solution to fix the issue and ensure that the battery functions properly.

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  • 24. 

    A technician notices that a laptop display appears stretched and pixelated. What is a probable cause of this?

    • A.

      The power management features are incorrectly set.

    • B.

      The power inverter is failing.

    • C.

      The screen has been burned in.

    • D.

      The display properties are incorrectly set.

    • E.

      One of the RAM modules is failing.

    Correct Answer
    D. The display properties are incorrectly set.
    Explanation
    The probable cause of the laptop display appearing stretched and pixelated is that the display properties are incorrectly set. This means that the resolution, aspect ratio, or other display settings have been adjusted in a way that does not match the native resolution or capabilities of the laptop's screen. This can result in the image being stretched or distorted, causing the pixels to appear pixelated. Adjusting the display properties to the correct settings should resolve the issue.

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  • 25. 

    A user with a company-issued smartphone notices that there is a gap at the end of the device. A technician examines the smartphone and discovers that the battery is swollen. What should the technician do next?

    • A.

      Use the smartphone until the battery is completely discharged.

    • B.

      Clean the battery leads with baking soda.

    • C.

      Replace the battery.

    • D.

      Use a multimeter to see if the output voltage is within range.

    Correct Answer
    C. Replace the battery.
    Explanation
    The technician should replace the battery because a swollen battery is a sign of a potential safety hazard. Swollen batteries can cause the device to malfunction or even explode. Continuing to use the smartphone with a swollen battery is not recommended as it can pose a risk to the user and the device itself. Therefore, the best course of action is to replace the battery with a new one to ensure the safety and proper functioning of the smartphone.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 15, 2017
    Quiz Created by
    Lucdanais
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