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2.0 to 2.2 Review

Quiz by Kwok Louie

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74 questions
Show answers
  • Q1
    Which of the following actions should you avoid when handling electrical components inside a computer?
    Wearing non-insulated gloves while working on the computer
    Touching the internal components without proper grounding
    Plugging multiple devices into the same outlet
    Using metal tools near electronic components
    30s
  • Q2
    What is the recommended way to clean the inside of a computer for general electrical safety?
    Vacuuming the inside of the computer directly
    Using a wet cloth to wipe the components clean
    Spraying water directly on the components
    Using a can of compressed air to blow away dust and debris
    30s
  • Q3
    What should you do before opening the case of a computer for maintenance or upgrades?
    Unplug the power cord and press the power button to discharge any residual electricity
    Wear insulated gloves to protect yourself from electric shocks
    Open the case with the computer running to save time
    Keep the computer plugged in for easy access to power during the process
    30s
  • Q4
    What precaution should be taken when cleaning a computer monitor for general electrical safety?
    Clean the monitor with a damp cloth while it is connected to power
    Use a metal brush to remove dust from the monitor's screen
    Ensure the monitor is unplugged from power before cleaning
    Spray water directly on the monitor while it is turned on
    30s
  • Q5
    What is the proper way to handle a computer that has been exposed to liquid or moisture?
    Immediately power off the computer, unplug it, and allow it to dry completely before attempting to use it again
    Use a hairdryer to speed up the drying process
    Plug in the computer to see if it powers on
    Start using the computer normally to see if it still works
    30s
  • Q6
    What is the recommended distance to stand away from the fire when using a fire extinguisher?
    Approximately 6-8 feet
    15-20 feet
    1-2 feet
    10-12 feet
    30s
  • Q7
    What does the acronym PASS stand for when using a fire extinguisher?
    Press, Advance, Squeeze, Secure
    Push, Activate, Spray, Stop
    Pull, Aim, Squeeze, Sweep
    Pick, Adjust, Spray, Shift
    30s
  • Q8
    What is the recommended frequency for inspecting a fire extinguisher in a business or commercial setting?
    Daily
    Biannually
    Monthly
    Yearly
    30s
  • Q9
    Which type of fire extinguisher is suitable for fires involving electrical equipment?
    Class C
    Class A
    Class B
    Class D
    30s
  • Q10
    What is the purpose of the 24-pin ATX power connector when installing a PSU in a computer?
    To cool the CPU
    To provide power to the motherboard
    To connect to external storage devices
    To power the graphics card
    30s
  • Q11
    What is the purpose of the 4-pin CPU power connector when installing a PSU in a computer?
    To power the case fans
    To provide power to the CPU
    To enable the USB ports
    To connect to the GPU
    30s
  • Q12
    Which type of PSU connector is commonly used to power storage devices such as hard drives and SSDs?
    Molex power connector
    SATA power connector
    ATX power connector
    PCIe power connector
    30s
  • Q13
    What is the purpose of the Molex power connector when installing a PSU in a computer?
    To supply power to legacy devices such as case fans or older hard drives
    To provide power to the GPU
    To connect to the motherboard
    To power the CPU
    30s
  • Q14
    Which of the following is NOT a factor to consider when choosing a case fan?
    Size compatibility
    Brand popularity
    Airflow efficiency
    Noise level
    30s
  • Q15
    What is an important factor to consider when choosing a case fan to ensure compatibility with your system?
    Size compatibility
    Fan speed control
    Color preference
    Number of LEDs
    30s

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