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10 Cards in this Set
- Front
- Back
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What do we call the time it takes to draw the entire screen and get the electron guns back to the upper-left corner? A. Horizontal refresh rate B. Horizontal redraw rate C. Vertical refresh rate
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C. The amount of time it takes to draw the entire screen and get the electron guns back to the upper-left corner is called the vertical refresh rate. |
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What provides the illumination for LCD monitors? A. Backlights D. LCD panel
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A. The backlights provide the illumination for the LCD panel. |
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Which statement best describes the difference, if any, between CRT and LCD 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.
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D. The CRT has no native resolution; LCDs have a single native resolution. |
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Which typically uses more wattage? A. CRT B. DVI C. LCD D. VGA
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A. CRTs use a lot more wattage than LCDs. |
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What is WSXGA+ resolution? A. 1024 × 768 D. 1920 × 1080
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C. WSXGA+ resolution is 1680 × 1050. |
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What is the processor on a video card called? A. CPU B. GPU C. GDDR D. MPU
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B. You’ll typically see video card processors referred to as GPUs. |
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What Microsoft API supports 3-D graphics? A. Active Desktop D. OpenGL
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B. Microsoft makes the DirectX API to support 3-D programs. |
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Which two technologies are used for backlights in LCD monitors? A. CCFL and LED D. HDMI and DisplayPort
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A. Current LCD monitors use one of two competing backlight technologies, CCFL or LED. |
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A customer calls complaining that the movie he ordered from iTunes won’t play on his second monitor because of an HDCP error. What could cause this problem? A. The second monitor connects via DisplayPort. B. The second monitor connects via DVI.
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D. VGA does not support HDCP. |
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A client calls complaining that his new LCD monitor is flickering. What is most likely the problem? A. The refresh rate is set too high. B. The refresh rate is set too low. C. The CCFL backlight is failing. D. The LED backlight is failing.
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C. LCD monitors have a fixed refresh rate, so the most likely cause here is that the CCFL backlight is failing. LED backlights don’t flicker. |
