CompTIA A+ Certification Core 1 (220-1101) - LCD Breakdown

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Information Technology (IT), Architecture, Engineering
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University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of the millions of tiny wires in an LCD screen?
To increase screen brightness
To transmit electrical signals
To provide structural support
To enhance color accuracy
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the CCFLs in an LCD monitor?
To display images
To provide even backlighting
To convert AC to DC power
To connect to video inputs
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do older LCD monitors require inverters?
To connect to modern video cards
To convert DC power to AC for CCFLs
To stabilize the monitor's frame
To enhance image resolution
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the logic circuitry in an LCD monitor?
To control the backlight intensity
To process video input signals
To adjust screen size
To manage power supply
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a significant difference between CCFL and LED panels in terms of power?
CCFLs are more energy-efficient
LED panels require inverters
CCFLs use DC power directly
LED panels do not need inverters
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