A+ Essentials Chapter 17

9 Questions | By Darren McMahon | Last updated: Dec 13, 2012 | Total Attempts: 371

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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
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
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
4.

What provides the illumination for LCD monitors?
- A.
  
  Backlights
- B.
  
  Inverter
- C.
  
  Lamp
- D.
  
  LCD panel
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.
6.

Which typically uses more wattage?
- A.
  
  CRT
- B.
  
  DVI
- C.
  
  LCD
- D.
  
  VGA
7.

What is the processor on a video card called?
- A.
  
  CPU
- B.
  
  GPU
- C.
  
  GDDR
- D.
  
  MPU
8.

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

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