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Test your basic knowledge |
Comptia A +: Hardware Display Devices
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Subjects
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certifications
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comptia-a-+
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it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
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. DVI-D ____ link cable.
Dot pitch
Single
30 99
800 600
2. The HDTV connector uses a ____-pin mini-din cable.
LCD
7
IPS (In Plane Switching)
Normal
3. 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.
Normal
Backlight
Interlacing
CRT
4. ____ or luminance identifies the amount of light the monitor produces (how bright it is) and is measured in candelas per square meter (cd/m2 also called a Nit) - with a higher number indicating a brighter screen.
Brightness
DB-15
16:9
Degauss
5. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
CRT native
Single link
Widescreen
DVI-I (digital video-integrated)
6. The D-sub connector on a video card provides....
CRT
Normal
VN (Twisted Nematic)
Analog output
7. 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
both video and audio input
Viewing angle
640 480
IPS (In Plane Switching)
8. If you watch HDTV content (DVD movies) on a 16:10 monitor - the display will either be stretched slightly or have black bars (areas without video content) on the top and the bottom. If you want to optimize DVD viewing from your computer - consider pu
16:9
Backlight
Color shift
TFT (thin film transistor)
9. 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.
DVI-D (digital video-digital)
Brightness
analog digital
Dot pitch
10. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Composite video
IPS (In Plane Switching)
Static
CRT
11. 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.
4
DB-15
Speakers USB
Physical effective
12. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
CRT
DVI-I (digital video-integrated)
Higher sharper
1400 1050
13. ____ is an alternative to an HDMI connector.
DisplayPort
Widescreen
Interlacing
CRT
14. 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.
Progressive scanning
Dual
1280 1024
CCFL (Cold Cathode Fluorescent Lamp)
15. TN panels have ____ viewing angles and contrast ratios than the other display types.
Worse
LCD monitor that accepts an analog connection
1920 1200
1680 1050
16. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Utilities
Screen
CRT
1280x720 1920x1080
17. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
HDTV
LCD
30 99
CRT
18. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Dual
Color shift
4
1920 1200
19. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
800 600
Viewing angle
Debris
Dot pitch
20. Resolutions with a W in the name are X____ resolutions with a 16:10 aspect ratio. In addition to these standard resolutions - you can also purchase monitors with the 16:9 aspect ratio used by HDTV content.
CCFL (Cold Cathode Fluorescent Lamp)
IPS (In Plane Switching)
Dead
Widescreen
21. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Speakers USB
IPS (In Plane Switching)
6
Dynamic
22. 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).
720p 1080i
DisplayPort
1280 1024
DVI-A (digital video-analog)
23. There are two methods of controlling the illumination of the phosphor - 1) ____ that consists of a metal screen full of holes that are aligned with each dot. The screen shields the electron beam from illuminating between dots and leaves an outline ar
Brighter
RCA
Shadow mask
Degauss
24. ____ 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.
DVI-D (digital video-digital)
IPS (In Plane Switching)
Diagonal
Utilities
25. 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.
Return policy
Dual
DVI-A (digital video-analog)
DB-15
26. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
VA (Vertical Alignment)
1024 768
CRT
LCD monitor that accepts an analog connection
27. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Interlacing
CRT
Dual
Response time
28. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
Color shift
LCD monitor that accepts an analog connection
1280 1024
Dual
29. ____ female port.
16:9
DVI-D (digital video-digital)
Screen
Higher sharper
30. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Brighter
1400 1050
1280x720 1920x1080
RCA
31. 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).
Video card
Physical effective
1280 1024
Refresh
32. 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.
CRT
CCFL (Cold Cathode Fluorescent Lamp)
DVI-D (digital video-digital)
1024 768
33. Monitor size is typically described using a ____ measurement.
Diagonal
4
Dual
Converter box
34. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1152 864
1920 1080
Resolution
Dead
35. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
1400 1050
D-sub connector
Better
HDCP
36. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
perture grill
1920 1200
2048 1536
Physical effective
37. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
4:3
2048 1536
Degauss
Static
38. If you are concerned about dead pixels - review the ____ before purchasing.
Static
Higher voltage
Higher sharper
Return policy
39. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
DVI HDMI
Converter box
Contrast ratio
Color shift
40. The ____ is the ratio of the width and the height.
Aspect ratio
Contrast ratio
DB-15
DVI-D (digital video-digital)
41. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Dot pitch
Resolution
RCA
4
42. 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.
Video card
perture grill
Widescreen
DMS-59
43. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Screen
4
640 480
Better
44. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
CCFL (Cold Cathode Fluorescent Lamp)
Analog CRT monitor
Interlacing
TV-tuner
45. 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.
Video card
30 99
1920 1080
1024 768
46. Composite signals combine three qualities of video into a single signal; the ____ channel is for ____ or luminance and U and V channels provide color information.
Y brightness
Analog output
Pixel pitch
Degauss
47. 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)
VA (Vertical Alignment)
G2G (grey-to-grey - or GTG)
1920 1200
48. 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
TFT (thin film transistor)
LED (Light Emitting Diode)
VN (Twisted Nematic)
Refresh
49. Some LCD monitors have a D-sub connection - or you might need a cable with this connection on one end and a _______ on the other end to connect to the LCD monitor.
DVI-I (digital video-integrated)
Refresh
1152 864
DVI-A connection
50. ____ 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.
IPS (In Plane Switching)
Brighter
DVI-I (digital video-integrated)
CRT
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