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Test your basic knowledge |
Comptia A +: Hardware Display Devices
Start Test
Study First
Subjects
:
certifications
,
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
.
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. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).
LCD
CRT native
Same cable
Brighter
2. 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 ____.
Refresh
Contrast ratio
Refresh
Adapter
3. 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.
Interlacing
Contrast ratio
Composite
Physical effective
4. You can connect analog CRT monitors to a video card with a...
1400 1050
D-sub connector
Resolution
CRT native
5. ____ 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
800 600
DB-15
both video and audio input
6. ____ (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
1024 768
IPS (In Plane Switching)
DVI-D (digital video-digital)
7. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Dual
Brighter
Speakers USB
Video card
8. 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
720p 1080i
4:3
Physical effective
Shadow mask
9. The ____ is the ratio of the width and the height.
Analog output
Aspect ratio
VN (Twisted Nematic)
1920 1200
10. You can connect analog CRT monitors to a video card with a...
800 600
Interlacing
1280 1024
D-sub connector
11. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
D-sub connector
CRT
Degauss
VA (Vertical Alignment)
12. 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.
6
Return policy
Backlight
DVI-D (digital video-digital)
13. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. WSXGA+ = ____ x ____. UXGA = 1600 x 1200 WUXGA = 1920 x 1200
1680 1050
Refresh
720p 1080i
Digital
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.
perture grill
Progressive scanning
External
IPS (In Plane Switching)
15. 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.
LCD
Y brightness
DVI-A (digital video-analog)
Degauss
16. 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
Resolution
DMS-59
17. 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.
2048 1536
Debris
CCFL (Cold Cathode Fluorescent Lamp)
analog digital
18. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Dot pitch
Viewing angle
CRT
Dead
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
Viewing angle
Aspect ratio
Utilities
Speakers USB
20. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Widescreen
G2G (grey-to-grey - or GTG)
Converter
Color shift
21. DVI-D ____ link cable.
1024 768
Refresh
1024 768
Dual
22. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
Refresh
VA (Vertical Alignment)
DVI-D (digital video-digital)
IPS (In Plane Switching)
23. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Color shift
Response time
Widescreen
Dual
24. 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-D (digital video-digital)
External
DVI-A connection
Response time
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
Dot pitch
VN (Twisted Nematic)
DVI-I (digital video-integrated)
26. 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)
4:3
Analog CRT monitor
2048 1536
27. If you are concerned about dead pixels - review the ____ before purchasing.
IPS (In Plane Switching)
Return policy
Resolution
Refresh
28. Having a few dead ____ can be common on many displays.
Dynamic
30 99
D-sub
Pixels
29. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Pixel pitch
Interlacing
Brighter
1920 1200
30. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Normal
640 480
Aspect ratio
Degauss
31. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
Composite video
Single link
1920 1200
Speakers USB
32. 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-A connection
6
Interlacing
Better
33. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
Refresh
1920 1080
DB-15
DMS-59
34. 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
Composite video
both video and audio input
Diagonal
35. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
800 600
Viewing angle
Screen
DVI-D (digital video-digital)
36. 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.
1024 768
Aperture grill
Interlacing
Dead pixel
37. 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.
720p 1080i
30 99
CRT
Video card
38. The HDTV connector uses a ____-pin mini-din cable.
7
U V color
Better
Interlacing
39. 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.
DVI-A connection
CCFL (Cold Cathode Fluorescent Lamp)
1280 1024
1680 1050
40. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
6
Interlacing
Response time
DVI-D (digital video-digital)
41. S-video can easily be converted to composite video by combining the ____ and ____ channels into a single signal.
IPS (In Plane Switching)
Y UV
Dead pixel
Single
42. The s-video connector is a ____-pin mini-din connector that has two separate channels - one for Y (luminance) and one for UV (color).
720p 1080i
CRT native
Single
4
43. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
both video and audio input
VA (Vertical Alignment)
640 480
DVI-I DVI-D
44. ____ displays have a 4:3 aspect ratio (used in CRT displays).
LCD
Normal
CRT
Y brightness
45. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Speakers USB
1400 1050
800 600
Laptop
46. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Diagonal
Y UV
Physical effective
CRT
47. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Color shift
6
1280 1024
CRT
48. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Interlacing
IPS (In Plane Switching)
Screen
Better
49. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
640 480
Better
1400 1050
16:9
50. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
Screen
1920 1200
DVI-I (digital video-integrated)
Contrast ratio