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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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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. 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.
Video card
Widescreen
16:9
Resolution
2. 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
TFT (thin film transistor)
1600 1200
Physical effective
3. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
U V color
Better
Aperture grill
1280x720 1920x1080
4. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
Single link
Response time
Flat displays
Resolution
5. Most manufactures have a minimum number of ____ pixels that must exist before they will consider an exchange. In addition - some place limitations on where they must be located in order to qualify.
RCA
Better
1600 1200
Dead
6. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
G2G (grey-to-grey - or GTG)
1920 1080
Interlacing
Shadow mask
7. The ____ connector is used to allow multiple video ports from a single connection.It is typically included on slimline video cards that can have only a single port. It sends out two separate DVI-I signals through the single connector.
Color shift
DMS-59
Y UV
Y brightness
8. 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.
Higher voltage
Pixels
Single
DVI-I (digital video-integrated)
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.
Separately
both video and audio input
Aperture grill
Refresh
10. LCD displays are very delicate and occasionally a pixel fails to display properly (called a ____).
IPS (In Plane Switching)
800 600
Dot pitch
Dead pixel
11. 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 ____.
Viewing angle
Pixels
Degauss
1280x720 1920x1080
12. ____ panels are the most expensive type of panel - and could be difficult to find.
Resolution
Diagonal
Contrast ratio
IPS (In Plane Switching)
13. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Interlacing
Dead
Response time
both video and audio input
14. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Single link
Composite
Brighter
800 600
15. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Higher sharper
Higher voltage
640 480
D-sub connector
16. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
DVI-I (digital video-integrated)
VA (Vertical Alignment)
analog digital
Static
17. 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.
Analog CRT monitor
Dot pitch
Digital
Backlight
18. 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.
Composite video
Interlacing
DVI HDMI
1152 864
19. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
CRT
Flat displays
Laptop
Pixel pitch
20. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
4
VA (Vertical Alignment)
Interlacing
1600 1200
21. 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.
Pixels
perture grill
Interlacing
Color shift
22. ____ on the screen can be mistaken for a dead pixel.
Contrast ratio
LCD monitor that accepts an analog connection
Debris
Resolution
23. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
Physical effective
Single
VN (Twisted Nematic)
Dynamic
24. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
IPS (In Plane Switching)
TFT (thin film transistor)
Worse
DVI-I DVI-D
25. 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.
Higher sharper
DisplayPort
perture grill
720p 1080i
26. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).
Same cable
Dot pitch
Resolution
Dynamic
27. 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.
Converter box
1152 864
Debris
Backlight
28. 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 ____.
CRT
Converter
Single
Adapter
29. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Shadow mask
Static
CRT
Dynamic
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.
Adapter
DVI-I (digital video-integrated)
Physical effective
Normal
31. ____ 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.
800 600
Brightness
1680 1050
CRT
32. ____ cable and female port.
S-video
1920 1200
TFT (thin film transistor)
Response time
33. ____ 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.
Y UV
Brightness
IPS (In Plane Switching)
VN (Twisted Nematic)
34. 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).
Degauss
Dual
1280 1024
6
35. 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
Viewing angle
4
Aperture grill
Shadow mask
36. DVI-D ____ link cable.
Y brightness
VN (Twisted Nematic)
Dual
Response time
37. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Interlacing
CRT native
1920 1200
TV-tuner
38. ____ on the screen can be mistaken for a dead pixel.
Dead pixel
Debris
1680 1050
Interlacing
39. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
Normal
Shadow mask
2048 1536
Contrast ratio
40. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
VA (Vertical Alignment)
VN (Twisted Nematic)
Same cable
D-sub DVI-A
41. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
perture grill
Better
Higher sharper
Adapter
42. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
perture grill
Refresh
LCD monitor that accepts an analog connection
Video card
43. 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).
4
1280 1024
DB-15
Analog output
44. The DMS-59 uses a special cable that ____________into separate video interfaces. For example - the cable might split the signal into two DVI-I connectors - two D-sub connectors - or one DVI-I connector and one D-sub connector.
Return policy
Splits the signal
16:9
Shadow mask
45. 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.
Widescreen
6
Dead
CRT
46. 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
DVI-D (digital video-digital)
Dot pitch
VA (Vertical Alignment)
47. The HDTV connector uses a ____-pin mini-din cable.
1920 1080
Dead
Static
7
48. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
IPS (In Plane Switching)
CRT
DVI HDMI
DVI-A (digital video-analog)
49. 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
Analog CRT monitor
Degauss
IPS (In Plane Switching)
DisplayPort
50. Additional monitor features include built in ____ or ____ hub.
Resolution
Speakers USB
Diagonal
Interlacing
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