A+ Essentials Chapter 17
In this chapter, you will learn how to
• Explain how video displays work
• Select the proper video card
• Install and configure video software
• Troubleshoot basic video problems
- 1.
What term refers to the amount of time it takes to draw an entire screen andget the electron guns back to the upper-left corner?
- A.
Horizontal refresh rate
- B.
Horizontal redraw rate
- C.
Vertical refresh rate
- D.
Vertical redraw rate
Correct Answer
C. Vertical refresh rateExplanation
The vertical refresh rate is the amount of time it takes to draw the entire
screen and get the electron guns back to the upper-left corner.Rate this question:
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- 2.
What does the dot pitch signify about a CRT monitor?
- A.
The resolution, such as 1024 × 768
- B.
The sharpness of the picture, such as 0.31 or 0.18
- C.
The maximum refresh rate, such as 100 Hz
- D.
The minimum refresh rate, such as 60 Hz
Correct Answer
B. The sharpness of the picture, such as 0.31 or 0.18Explanation
The dot pitch, measured in millimeters, tells you how fine the screen
will be.Rate this question:
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- 3.
On an LCD monitor, what is the technology that uses a matrix of wires undercolored glass?
- A.
Active matrix
- B.
Passive matrix
- C.
Active TFT
- D.
Passive TFT
Correct Answer
B. Passive matrixExplanation
Passive matrix technology uses a matrix of wires under colored glass.Rate this question:
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- 4.
What provides the illumination for LCD monitors?
- A.
Backlights
- B.
Inverter
- C.
Lamp
- D.
LCD panel
Correct Answer
A. BacklightsExplanation
The backlights provide the illumination for the LCD panel.Rate this question:
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- 5.
Which statement best describes the difference, if any, between CRT and LCDresolution?
- A.
The CRT has a single native resolution; LCDs have no native resolution.
- B.
The CRT has three native resolutions; LCDs have no native resolution.
- C.
The CRT has no native resolution; LCDs have three native resolutions.
- D.
The CRT has no native resolution; LCDs have a single native resolution.
Correct Answer
D. The CRT has no native resolution; LCDs have a single native resolution.Explanation
The CRT has no native resolution; LCDs have a single native resolution.Rate this question:
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- 6.
Which typically uses more wattage?
- A.
CRT
- B.
DVI
- C.
LCD
- D.
VGA
Correct Answer
A. CRTExplanation
CRTs use a lot more wattage than LCDs.Rate this question:
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- 7.
What is the processor on a video card called?
- A.
CPU
- B.
GPU
- C.
GDDR
- D.
MPU
Correct Answer
B. GPUExplanation
You’ll typically see video card processors referred to as GPUs.Rate this question:
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- 8.
What Microsoft API supports 3-D graphics?
- A.
Active Desktop
- B.
DirectX
- C.
Glide
- D.
OpenGL
Correct Answer
B. DirectXExplanation
Microsoft makes the DirectX API to support 3-D programs.Rate this question:
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- 9.
How would you adjust your screen settings?
- A.
Go to Start | Run and type DISPLAY to open the Display applet.
- B.
Go to Start | Run and type MSCONFIG to open the Display applet.
- C.
Go to Start | Control Panel and double-click the Display applet icon.
- D.
Go to Start | All Programs and select the Display applet icon.
Correct Answer
C. Go to Start | Control Panel and double-click the Display applet icon.Explanation
The Display applet is part of the Control Panel.Rate this question:
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Current Version
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Mar 18, 2023Quiz Edited by
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Oct 23, 2008Quiz Created by
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