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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. 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
Refresh
Progressive scanning
DMS-59
2. S-video can easily be converted to composite video by combining the ____ and ____ channels into a single signal.
1024 768
Degauss
Video card
Y UV
3. ____ panels are the most expensive type of panel - and could be difficult to find.
Worse
IPS (In Plane Switching)
External
2048 1536
4. TN panels have poor color reproduction due to the fact that only ____-bits per color can be displayed. They mimic true 24-bit color using dithering and other techniques.
Interlacing
Progressive scanning
Response time
6
5. You can connect analog CRT monitors to a video card with a...
IPS (In Plane Switching)
Higher sharper
2048 1536
D-sub connector
6. Having a few dead ____ can be common on many displays.
TFT (thin film transistor)
CRT
Pixels
External
7. ____ on the screen can be mistaken for a dead pixel.
1600 1200
Refresh
Debris
720p 1080i
8. A DVI-A (digital video-analog) is used for an ____________. Use a cable with a D-sub connection on one end and this connection on the other end to connect to the monitor.
CRT native
720p 1080i
Analog CRT monitor
Interlacing
9. 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.
Dual link
CRT
DVI-A (digital video-analog)
Progressive scanning
10. 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.
Resolution
Aperture grill
Color shift
Interlacing
11. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Dual
Brightness
16:9
640 480
12. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
1024 768
800 600
Pixel pitch
IPS (In Plane Switching)
13. ____ DVI-D connectors have 3 rows of 8 pins plus the horizontal pin (often called a 25-pin - 24+1-pin - or 24-pin connector).
Dual link
1920 1080
Dynamic
Normal
14. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
Normal
1920 1080
1280x720 1920x1080
2048 1536
15. 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.
Degauss
DVI-D (digital video-digital)
4:3
DB-15
16. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Dual
Flat displays
CRT
Return policy
17. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1600 1200
800 600
DVI-A connection
Y brightness
18. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
Resolution
1400 1050
Video card
TFT (thin film transistor)
19. 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
RCA
Adapter
30 99
Viewing angle
20. 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.
analog digital
Analog output
Digital
Brighter
21. 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.
CCFL (Cold Cathode Fluorescent Lamp)
External
Aspect ratio
D-sub connector
22. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Dot pitch
Splits the signal
G2G (grey-to-grey - or GTG)
Widescreen
23. 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
Physical effective
DVI HDMI
16:9
Shadow mask
24. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
6
Dot pitch
Converter
1400 1050
25. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
DVI-D (digital video-digital)
Pixel pitch
1680 1050
1280x720 1920x1080
26. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
IPS (In Plane Switching)
Worse
TV-tuner
1152 864
27. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
VA (Vertical Alignment)
1600 1200
Interlacing
Speakers USB
28. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
CRT
1680 1050
DVI-D (digital video-digital)
IPS (In Plane Switching)
29. 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.
VN (Twisted Nematic)
Diagonal
Analog CRT monitor
DVI-I (digital video-integrated)
30. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
Converter box
DVI-D (digital video-digital)
HDTV
analog digital
31. You can connect LCD monitors to a video card with a DVI-I connector with either a ____ or ____ connection.
1280x720 1920x1080
Better
DVI-A connection
DVI-I DVI-D
32. ____ (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.
6
Splits the signal
720p 1080i
Physical effective
33. A ____ connection on a video card provides analog - video-only TV output. These video connectors are RCA connectors (typically yellow).
Composite video
TFT (thin film transistor)
DVI-I DVI-D
perture grill
34. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Interlacing
Contrast ratio
Converter box
Video card
35. ____ 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.
16:9
1280x720 1920x1080
Single
LCD
36. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
800 600
Flat displays
1024 768
Pixels
37. A ____ connection on a video card provides both analog and digital output.
Aspect ratio
Worse
IPS (In Plane Switching)
DVI-I (digital video-integrated)
38. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Resolution
Dot pitch
1400 1050
Composite
39. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
VA (Vertical Alignment)
Viewing angle
1920 1200
Brightness
40. If you are concerned about dead pixels - review the ____ before purchasing.
CRT native
Return policy
Backlight
Resolution
41. DisplayPort is also an internal video interface used by ____ displays to interface with internal video cards.
Single
Resolution
Laptop
800 600
42. 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.
Single link
Refresh
Response time
Higher sharper
43. ____ 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
Dynamic
CRT native
Static
44. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Interlacing
800 600
Diagonal
Refresh
45. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Video card
1920 1200
Static
1680 1050
46. ____ 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.
Dual
CRT
Diagonal
Higher sharper
47. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Adapter
Higher sharper
G2G (grey-to-grey - or GTG)
Digital
48. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
F-type
Refresh
Dynamic
Speakers USB
49. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
CRT
4:3
perture grill
D-sub
50. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
IPS (In Plane Switching)
Interlacing
Same cable
Progressive scanning
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