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Questions and Answers
Which component of a CRT display controls the brightness of the screen?
Which component of a CRT display controls the brightness of the screen?
- Focusing Systems
- Phosphor coating
- Control Grid (correct)
- Cathode
What happens when a high negative voltage is applied to the control grid of a CRT display?
What happens when a high negative voltage is applied to the control grid of a CRT display?
- The electrons are stopped (correct)
- The brightness decreases
- The brightness increases
- The electrons pass through freely
How is the brightness of a CRT display controlled?
How is the brightness of a CRT display controlled?
- By manipulating the focusing systems
- By varying the voltage on the control grid (correct)
- By varying the voltage on the cathode
- By adjusting the phosphor coating
What is the purpose of the focusing systems in a CRT display?
What is the purpose of the focusing systems in a CRT display?
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What is used to deflect the electron beam in a CRT display?
What is used to deflect the electron beam in a CRT display?
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Which component of a CRT display controls the brightness of the screen?
Which component of a CRT display controls the brightness of the screen?
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What happens when a high negative voltage is applied to the control grid of a CRT display?
What happens when a high negative voltage is applied to the control grid of a CRT display?
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What is used to deflect the electron beam in a CRT display?
What is used to deflect the electron beam in a CRT display?
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How is the brightness of a CRT display controlled?
How is the brightness of a CRT display controlled?
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What is the purpose of the focusing systems in a CRT display?
What is the purpose of the focusing systems in a CRT display?
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