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 (B)</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 (B)</p> Signup and view all the answers

Where is the antenna usually housed in a laptop?

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

Which biometric method is commonly found on most modern laptops?

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

Which type of touchscreen is not popular?

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

What does Airplane mode do on a mobile device?

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

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

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

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

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

Which type of LCD display has the fastest refresh rates?

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

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

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

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

<p>LED (D)</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 (C)</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 (D)</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 (D)</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 (D)</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 (D)</p> Signup and view all the answers

What is the purpose of tethering?

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

Which type of display technology does not require a backlight?

<p>OLED (B)</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 (D)</p> Signup and view all the answers

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

<p>OLED (C)</p> Signup and view all the answers

Which type of touchscreen is more responsive but less accurate?

<p>Capacitive (A)</p> Signup and view all the answers

Which type of LCD display has the fastest refresh rates?

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

Which type of touchscreen is not commonly used?

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

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

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

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

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

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

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

What type of RAM module is used in laptops?

<p>SODIMM (B)</p> Signup and view all the answers

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

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

Where is the antenna usually housed in a laptop?

<p>In the display area (C)</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 (A)</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 (C)</p> Signup and view all the answers

Which type of touchscreen is more responsive but less accurate?

<p>Capacitive touchscreen (A)</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) (B)</p> Signup and view all the answers

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

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

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

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

What is the purpose of the inverter in CCFL displays?

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

Where is the cellular antenna usually located in a smartphone?

<p>Internal to the phone (C)</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 (D)</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 (C)</p> Signup and view all the answers

What is the purpose of tethering?

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

What does Airplane mode do on a mobile device?

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

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