A+ Essentials Chapter 17

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| By Darren McMahon

Darren McMahon

Community Contributor

Quizzes Created: 20 | Total Attempts: 12,959

Questions: 9 | Attempts: 387 | Updated: Mar 18, 2023

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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

Questions and Answers

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 rate

Explanation
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.

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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 0.18

Explanation
The dot pitch, measured in millimeters, tells you how fine the screen
will be.

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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 matrix

Explanation
Passive matrix technology uses a matrix of wires under colored glass.

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4.

What provides the illumination for LCD monitors?
- A.
  
  Backlights
- B.
  
  Inverter
- C.
  
  Lamp
- D.
  
  LCD panel
Correct Answer
A. Backlights

Explanation
The backlights provide the illumination for the LCD panel.

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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.

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6.

Which typically uses more wattage?
- A.
  
  CRT
- B.
  
  DVI
- C.
  
  LCD
- D.
  
  VGA
Correct Answer
A. CRT

Explanation
CRTs use a lot more wattage than LCDs.

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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. GPU

Explanation
You’ll typically see video card processors referred to as GPUs.

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8.

What Microsoft API supports 3-D graphics?
- A.
  
  Active Desktop
- B.
  
  DirectX
- C.
  
  Glide
- D.
  
  OpenGL
Correct Answer
B. DirectX

Explanation
Microsoft makes the DirectX API to support 3-D programs.

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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.

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A+ Essentials Chapter 17

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?

What does the dot pitch signify about a CRT monitor?

On an LCD monitor, what is the technology that uses a matrix of wires undercolored glass?

What provides the illumination for LCD monitors?

Which statement best describes the difference, if any, between CRT and LCDresolution?

Which typically uses more wattage?

What is the processor on a video card called?

What Microsoft API supports 3-D graphics?

How would you adjust your screen settings?