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Comptia A +: Hardware Display Devices
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certifications
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comptia-a-+
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Instructions:
Answer 50 questions in 15 minutes.
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study here
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Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The ____ refers to the difference in light intensity between the brightest white and the darkest black. An example is 1000:1. A higher initial number indicates a better quality picture.
RCA
Color shift
Contrast ratio
1600 1200
2. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Dead pixel
Pixel pitch
Progressive scanning
Color shift
3. You can only connect a digital monitor to a DVI-D connector. Connecting an analog monitor - such as a CRT monitor - is only possible by using a special ____.
Brightness
4:3
Converter box
CRT
4. ____ monitors will typically list the monitor size along with the viewable image size which is smaller than the total screen size. Because of how the monitor is made - not all of the available screen size can actually display an image.
Color shift
Contrast ratio
Higher sharper
CRT
5. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1600 1200
RCA
both video and audio input
Single link
6. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
Pixel pitch
Worse
Single source
4:3
7. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Dot pitch
Aspect ratio
CRT
IPS (In Plane Switching)
8. ____ panels have the best color reproduction quality and viewing angles of the display types - and are well suited for graphic design where full and accurate color representation is required.
VA (Vertical Alignment)
Higher voltage
IPS (In Plane Switching)
Interlacing
9. ____ monitors use a single value for the screen size. These monitors can use the entire screen for displaying images - use a liquid crystal material and transistors to display images.
DVI-I (digital video-integrated)
LCD
Widescreen
Video card
10. The HDTV connector uses a ____-pin mini-din cable.
Resolution
7
IPS (In Plane Switching)
IPS (In Plane Switching)
11. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Brighter
DVI-A connection
Speakers USB
D-sub DVI-A
12. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
DVI-I (digital video-integrated)
Response time
Screen
External
13. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
Pixel pitch
2048 1536
Contrast ratio
Debris
14. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
HDTV
Viewing angle
2048 1536
Brightness
15. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
720p 1080i
Resolution
Higher sharper
DVI-D (digital video-digital)
16. Green monitors are Energy Star or Green Star compliant. These monitors use less than ____ watts and reduce power consumption by ____% when in sleep or suspended mode.
External
1920 1080
Utilities
30 99
17. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
VA (Vertical Alignment)
1024 768
Brightness
Resolution
18. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Video card
D-sub
DVI HDMI
Y UV
19. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Better
DVI-A connection
U V color
LCD
20. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Return policy
Interlacing
Video card
DVI-A connection
21. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Viewing angle
1024 768
Analog
1600 1200
22. RT monitors use an electron beam that hits phosphor dots inside of a vacuum tube. While it is possible for a CRT monitor to have a digital connection - virtually all CRT monitors connect to the video card using a ____ (also called a D-sub) connector.
VN (Twisted Nematic)
Response time
DB-15
Single link
23. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
4:3
Pixels
Normal
both video and audio input
24. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
1920 1200
640 480
Dual link
Normal
25. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Response time
HDCP
Composite video
both video and audio input
26. You can connect analog CRT monitors to a video card with a...
D-sub connector
LCD
F-type
Higher voltage
27. There are currently two methods used for the backlight - 1) ____ that is currently the most common backlight source and require an inverter to provide AC power to the backlight.
640 480
Debris
Normal
CCFL (Cold Cathode Fluorescent Lamp)
28. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
DVI-D (digital video-digital)
640 480
Brightness
both video and audio input
29. A ____ connection on a video card provides both analog and digital output.
1400 1050
Refresh
DVI-I (digital video-integrated)
G2G (grey-to-grey - or GTG)
30. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
1152 864
IPS (In Plane Switching)
Response time
1400 1050
31. ____ (1280 x 720 progressive scan) and ____ (1920 x 1080 with interlacing) identify displays that do not support full HD content - with both 720p and 1080i being comparable in quality.
Analog output
Return policy
Flat displays
720p 1080i
32. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
VA (Vertical Alignment)
Color shift
Physical effective
LED (Light Emitting Diode)
33. There are currently two methods used for the backlight - 2) ____ backlights provide brighter screens - lower power consumption - a wider color range - greater contrast - and mercury-free construction. They use DC power - eliminating the need for an i
LED (Light Emitting Diode)
Viewing angle
Utilities
Brighter
34. The ____ is the number of pixels available on a display screen. Specifically - it is described by the amount of pixels horizontally across the display by the amount of pixels vertically down the display.
Shadow mask
Resolution
1680 1050
Higher sharper
35. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Interlacing
Higher sharper
TFT (thin film transistor)
both video and audio input
36. ____ monitors use a single value for the screen size. These monitors can use the entire screen for displaying images - use a liquid crystal material and transistors to display images.
both video and audio input
LCD
DVI-I DVI-D
CRT
37. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Video card
CRT
Refresh
Degauss
38. The magnetic field used for drawing the image on the screen can cause a buildup of magnetism on internal monitor components. This magnetic field can cause color distortions - especially around the edges. To correct this problem - use the ____ feature
Degauss
Higher sharper
CRT
Single link
39. Cheaper TVs and monitors at lower resolutions or using ____ (where every other line is drawn with each pass) are not capable of displaying all of the video content in full HD.
Screen
Interlacing
640 480
D-sub
40. LDC monitors use ____ panels that are the most common type used in computer monitors - especially in smaller sizes. These panels have very good response times (2ms to 5ms) - so are well-suited for games with a lot of motion.
Response time
Aspect ratio
VN (Twisted Nematic)
Pixel pitch
41. Cheaper TVs and monitors at lower resolutions or using ____ (where every other line is drawn with each pass) are not capable of displaying all of the video content in full HD.
Single source
VA (Vertical Alignment)
Interlacing
Viewing angle
42. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
1920 1200
Resolution
Video card
Adapter
43. Increasingly - the difference between an LCD monitor and an HDTV is being blurred. You can purchase an HDTV that can also function as a monitor - or a monitor that can function as a TV. Resolutions used by HDTV are: ____ and ____.
Backlight
Debris
1280x720 1920x1080
D-sub connector
44. The ____ is the number of pixels available on a display screen. Specifically - it is described by the amount of pixels horizontally across the display by the amount of pixels vertically down the display.
Resolution
CRT native
DVI-I (digital video-integrated)
Dual
45. There are two methods of controlling the illumination of the phosphor - 2) an ____ consists of a screen of ultra thin vertical and horizontal wires. This configuration allows more electrons through resulting in a richer color display.
Worse
VN (Twisted Nematic)
DVI-A connection
Aperture grill
46. If the video card only has a DVI-D connector and you have an analog-only monitor - it is often cheaper to purchase a new ____ instead of the converter box.
Y brightness
Video card
Contrast ratio
1280 1024
47. DisplayPort uses a different signal format than DVI or HDMI. However - it supports sending DVI or HDMI signals over the same port using a simple ____.
6
Adapter
Dot pitch
HDCP
48. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
DB-15
LED (Light Emitting Diode)
640 480
16:9
49. ____ (1280 x 720 progressive scan) and ____ (1920 x 1080 with interlacing) identify displays that do not support full HD content - with both 720p and 1080i being comparable in quality.
720p 1080i
Normal
7
Normal
50. The ____ identifies the angle at which the image can still be seen. With LCD monitors - the image will be dimmer and colors distorted when viewed from an angle. It is described with two numbers: horizontal angle and vertical angle - with a higher num
Pixel pitch
Viewing angle
CRT
Speakers USB
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