LCD Technologies Quiz
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Questions and Answers

Which type of display technology does not require a backlight?

  • TN
  • OLED (correct)
  • IPS
  • LED

    • What is the purpose of special multifunction keys on a laptop keyboard?

  • To save valuable space (correct)
  • To dim or brighten the screen
  • To turn network connections on or off
  • To change the video output

    • Which type of touchscreen is more responsive but less accurate?

  • IPS
  • OLED
  • Resistive
  • Capacitive (correct)

    • Which type of drive is generally faster than traditional magnetic drives or hybrid drives?

    <p>NVMe drive</p> Signup and view all the answers

    Which type of card is used for making payments at the site of a merchant who uses NFC?

    <p>NFC card</p> Signup and view all the answers

    Where is the antenna usually housed in a laptop?

    <p>Display area</p> Signup and view all the answers

    Which biometric method is commonly found on most modern laptops?

    <p>Facial recognition</p> Signup and view all the answers

    Which type of touchscreen is not popular?

    <p>Surface Acoustic Wave (SAW) screens</p> Signup and view all the answers

    What does Airplane mode do on a mobile device?

    <p>Turns off all wireless connections</p> Signup and view all the answers

    What is the most likely cause of a phone that won't charge?

    <p>Worn-out battery</p> Signup and view all the answers

    Can storage on an iPhone, iPad, or iPod be upgraded?

    <p>No, it cannot be upgraded</p> Signup and view all the answers

    Which type of LCD display has the best color representation and wider viewing angles?

    <p>In-Plane Switching (IPS)</p> Signup and view all the answers

    Which type of LCD display has the fastest refresh rates?

    <p>Twisted Nematic (TN)</p> Signup and view all the answers

    Which type of LCD display has the best contrast and image depth?

    <p>Vertical Alignment (VA)</p> Signup and view all the answers

    Which type of display uses Light Emitting Diodes (LEDs) as the backlight for an LCD?

    <p>LED</p> Signup and view all the answers

    Which type of display technology uses organic material and does not require backlighting or an LCD?

    <p>OLED display</p> Signup and view all the answers

    What is the purpose of an inverter in a CCFL display?

    <p>To store and convert energy from DC to AC</p> Signup and view all the answers

    What is the function of a digitizer in a mobile device?

    <p>To accept analog input and convert it into digital format</p> Signup and view all the answers

    What is the purpose of the Fn key on a laptop keyboard?

    <p>To perform various tasks in combination with the F keys</p> Signup and view all the answers

    Which of the following steps is NOT listed in the CompTIA A+ objectives for connecting Bluetooth devices?

    <p>Enter the appropriate PIN code</p> Signup and view all the answers

    What is the purpose of tethering?

    <p>To connect a device to a mobile hotspot</p> Signup and view all the answers

    What is the difference between tethering and connecting via wireless?

    <p>Tethering requires a USB cable, while connecting via wireless does not</p> Signup and view all the answers

    Which type of display technology does not require a backlight?

    <p>OLED</p> Signup and view all the answers

    What is the purpose of the digitizer in a mobile device?

    <p>To increase the accuracy of the touchscreen</p> Signup and view all the answers

    Which type of display technology has the best contrast and image depth?

    <p>OLED</p> Signup and view all the answers

    Which type of touchscreen is more responsive but less accurate?

    <p>Capacitive</p> Signup and view all the answers

    Which type of LCD display has the fastest refresh rates?

    <p>TN</p> Signup and view all the answers

    Which type of touchscreen is not commonly used?

    <p>Surface Acoustic Wave (SAW)</p> Signup and view all the answers

    What is the maximum system RAM that can be installed in a laptop?

    <p>32 GB</p> Signup and view all the answers

    Can the storage on an iPhone, iPad, or iPod be upgraded?

    <p>No, it cannot be upgraded</p> Signup and view all the answers

    What is the purpose of a digitizer in a mobile device?

    <p>To control the touchscreen</p> Signup and view all the answers

    What type of RAM module is used in laptops?

    <p>SODIMM</p> Signup and view all the answers

    Which type of drive is generally faster than traditional magnetic drives or hybrid drives?

    <p>NVMe drive</p> Signup and view all the answers

    Where is the antenna usually housed in a laptop?

    <p>In the display area</p> Signup and view all the answers

    What is the purpose of the Fn key on a laptop keyboard?

    <p>To activate the function keys</p> Signup and view all the answers

    What is the difference between tethering and connecting via wireless?

    <p>Tethering requires a physical connection, while connecting via wireless does not</p> Signup and view all the answers

    Which type of touchscreen is more responsive but less accurate?

    <p>Capacitive touchscreen</p> Signup and view all the answers

    Which type of LCD display technology has the best color representation and wider viewing angles?

    <p>In-Plane Switching (IPS)</p> Signup and view all the answers

    Which type of LCD display technology has the fastest refresh rates?

    <p>Twisted Nematic (TN)</p> Signup and view all the answers

    Which type of LCD display technology has the best contrast and image depth?

    <p>Vertical Alignment (VA)</p> Signup and view all the answers

    Which type of LCD display technology claims to offer better viewing angles than VA displays?

    <p>Super Vertical Alignment (SVA)</p> Signup and view all the answers

    Which type of display technology uses Light Emitting Diodes (LEDs) as the backlight for an LCD?

    <p>VA LCD</p> Signup and view all the answers

    Which type of display technology uses electrophoretic ink and requires very little power to keep print on the page?

    <p>E Ink</p> Signup and view all the answers

    What is the purpose of the digitizer in a mobile device?

    <p>To accept analog input and convert it into digital format</p> Signup and view all the answers

    Which wireless connectivity options are commonly found in smart cameras for easy picture and video transfers?

    <p>Wi-Fi, Bluetooth, NFC</p> Signup and view all the answers

    What is the purpose of the inverter in CCFL displays?

    <p>To convert DC to AC</p> Signup and view all the answers

    Where is the cellular antenna usually located in a smartphone?

    <p>Internal to the phone</p> Signup and view all the answers

    Which of the following is the correct order of steps for connecting Bluetooth devices according to the CompTIA A+ objectives?

    <p>Enable Bluetooth, Enable pairing, Find a device for pairing, Enter the appropriate PIN code, Test connectivity</p> Signup and view all the answers

    What is the difference between tethering and connecting via wireless?

    <p>Tethering requires a USB cable, while connecting via wireless does not</p> Signup and view all the answers

    What is the purpose of tethering?

    <p>To connect a device to a mobile hotspot</p> Signup and view all the answers

    What is the function of a digitizer in a mobile device?

    <p>To enable touch input on the screen</p> Signup and view all the answers

    What does Airplane mode do on a mobile device?

    <p>Disables all wireless connectivity</p> Signup and view all the answers

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