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Test your basic knowledge |
Comptia A +: Hardware Display Devices
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certifications
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comptia-a-+
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it-skills
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 ____ connection has all of the pins present in both the DVI-A and DVI-D connections. Most video cards and many LCD monitors have this connection.
DVI-I (digital video-integrated)
Shadow mask
D-sub connector
DisplayPort
2. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
TFT (thin film transistor)
CCFL (Cold Cathode Fluorescent Lamp)
Dot pitch
both video and audio input
3. A ____ connection on a video card provides analog output and are rarely (if ever) used for computers monitors - but might be used on some HDTV systems.
DVI-A (digital video-analog)
Utilities
Speakers USB
Worse
4. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
CRT
Higher sharper
Single source
Video card
5. ____ on the screen can be mistaken for a dead pixel.
G2G (grey-to-grey - or GTG)
HDTV
DisplayPort
Debris
6. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
1680 1050
1400 1050
Brighter
Contrast ratio
7. 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.
CRT
30 99
Dynamic
Aperture grill
8. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.
Composite
2048 1536
Dual link
Dot pitch
9. The ____ rate is the amount of time (measured in Hz) required for the CRT's electron beam to paint the screen from top to bottom. Increasing the rate reduces screen flicker.
Dual
HDMI (High-Definition Multimedia Interface)
Viewing angle
Refresh
10. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Dual
Diagonal
Backlight
Composite video
11. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Shadow mask
CRT
Interlacing
Video card
12. 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
D-sub
Analog CRT monitor
Video card
Viewing angle
13. 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 ____.
Aperture grill
perture grill
Adapter
Response time
14. 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
Viewing angle
Analog
1920 1080
Single
15. Video cards and monitors with a built-in TV tuner have an ____ cable TV connector. Most video cards that provide cable TV input also include audio output. However - most of these cards do not provide analog or digital monitor output.
F-type
1680 1050
TFT (thin film transistor)
1680 1050
16. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
6
Analog CRT monitor
Digital
Dot pitch
17. ____ 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.
LCD
Physical effective
TFT (thin film transistor)
800 600
18. 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 ____.
1280x720 1920x1080
Screen
RCA
Separately
19. The LCD ____ provides the light that makes the individual pixels visible. The light itself is actually along the top - bottom - and/or sides - with a special layer that reflects the light throughout the display.
1280 1024
IPS (In Plane Switching)
Pixels
Backlight
20. ____ panels are the most expensive type of panel - and could be difficult to find.
Degauss
CRT
Diagonal
IPS (In Plane Switching)
21. DisplayPort uses a digital-only signal. To connect a VGA monitor to it - you will need a special active ____ that reformats the signal for analog devices.
Shadow mask
CRT
1600 1200
Converter
22. 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.
Resolution
Worse
Pixels
Video card
23. You can connect LCD monitors to a video card with a DVI-I connector with either a ____ or ____ connection.
1280 1024
Diagonal
Better
DVI-I DVI-D
24. Full HD content is designed for a resolution of 1920 x 1080 using ____ (where each line on the screen is redrawn in order). Full HD support is therefore referred to as 1080p.
Brighter
TV-tuner
Progressive scanning
LED (Light Emitting Diode)
25. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
both video and audio input
External
Brightness
Interlacing
26. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Pixel pitch
Dual
Brightness
Dynamic
27. 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.
TFT (thin film transistor)
Interlacing
Same cable
Flat displays
28. TN panels have ____ viewing angles and contrast ratios than the other display types.
1600 1200
Worse
IPS (In Plane Switching)
720p 1080i
29. The s-video connector is a ____-pin mini-din connector that has two separate channels - one for Y (luminance) and one for UV (color).
DVI-D (digital video-digital)
Video card
4
Color shift
30. Screen size is often expressed in two different measures - the ____ screen size (also called the actual size) and the ____ viewing size that identifies the largest image size that can be displayed.
Single source
Physical effective
Resolution
Video card
31. When connecting various devices to a computer video card - you can typically find converter cables to match the interface on the video card with the interface on the device. However - these cables do not convert from ____ to ____ signaling.
Pixel pitch
perture grill
1920 1200
analog digital
32. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Higher sharper
CRT
Better
D-sub
33. 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.
1920 1080
Aperture grill
Pixel pitch
Interlacing
34. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
Normal
Better
Pixel pitch
1024 768
35. There are ____ to identify and possibly fix dead pixels on a monitor.
Utilities
Backlight
720p 1080i
TFT (thin film transistor)
36. On a(n) ____ monitor you might be able to see two horizontal lines running across the display. These lines are the wires that are used to dynamically change the grill opening.
perture grill
DVI-D (digital video-digital)
Dynamic
Aperture grill
37. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
both video and audio input
Flat displays
Backlight
D-sub DVI-A
38. The HDTV connector uses a ____-pin mini-din cable.
Aperture grill
7
Video card
VA (Vertical Alignment)
39. Full HD content is designed for a resolution of 1920 x 1080 using ____ (where each line on the screen is redrawn in order). Full HD support is therefore referred to as 1080p.
2048 1536
1152 864
Progressive scanning
Interlacing
40. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Dynamic
Color shift
LCD monitor that accepts an analog connection
Better
41. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
720p 1080i
640 480
Physical effective
4:3
42. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Better
Aperture grill
Brighter
DVI-D (digital video-digital)
43. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
IPS (In Plane Switching)
Single link
Aspect ratio
both video and audio input
44. If you are concerned about dead pixels - review the ____ before purchasing.
Flat displays
Return policy
CRT
Physical effective
45. DVI-D ____ link cable.
1280 1024
Dual
Aspect ratio
Interlacing
46. Having a few dead ____ can be common on many displays.
Brighter
Static
Pixels
DVI-I (digital video-integrated)
47. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA = ____ x ____ (5:4 aspect ratio).
1280 1024
Same cable
S-video
1600 1200
48. 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.
30 99
DVI-D (digital video-digital)
Brightness
1024 768
49. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
CRT native
U V color
Resolution
D-sub connector
50. 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.
1920 1200
Shadow mask
DB-15
D-sub
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