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
- 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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