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Test your basic knowledge |
Comptia A +: Hardware Display Devices
Start Test
Study First
Subjects
:
certifications
,
comptia-a-+
,
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. 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.
Converter
DVI-D (digital video-digital)
Contrast ratio
2048 1536
2. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
S-video
Viewing angle
IPS (In Plane Switching)
1920 1080
3. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Dynamic
Brightness
Higher sharper
Better
4. ____ on the screen can be mistaken for a dead pixel.
Debris
30 99
Pixel pitch
Y UV
5. 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.
Converter
Widescreen
VA (Vertical Alignment)
1024 768
6. ____ 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
CCFL (Cold Cathode Fluorescent Lamp)
1280x720 1920x1080
CRT native
7. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Video card
S-video
Interlacing
Same cable
8. 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
Response time
VA (Vertical Alignment)
Single
Viewing angle
9. 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.
Aperture grill
Separately
Flat displays
Interlacing
10. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
Single link
Resolution
Flat displays
External
11. ____ panels are the most expensive type of panel - and could be difficult to find.
IPS (In Plane Switching)
1600 1200
G2G (grey-to-grey - or GTG)
CRT
12. The ____ is the ratio of the width and the height.
800 600
Aspect ratio
LED (Light Emitting Diode)
1920 1200
13. The s-video connector is a ____-pin mini-din connector that has two separate channels - one for Y (luminance) and one for UV (color).
Analog output
4
1680 1050
IPS (In Plane Switching)
14. ____ on the screen can be mistaken for a dead pixel.
Dead
Debris
Pixel pitch
Dead pixel
15. 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.
Contrast ratio
Dot pitch
Digital
LED (Light Emitting Diode)
16. There are ____ to identify and possibly fix dead pixels on a monitor.
Single
Utilities
VA (Vertical Alignment)
DMS-59
17. ____ (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.
1024 768
Higher sharper
DisplayPort
720p 1080i
18. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).
CRT
Response time
Dual
Same cable
19. Composite signals combine three qualities of video into a single signal; the Y channel is for brightness or luminance and ____ and ____ channels provide ____ information.
Contrast ratio
1920 1080
Dynamic
U V color
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.
Widescreen
CRT
Aspect ratio
Interlacing
21. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
CRT
Higher sharper
Progressive scanning
IPS (In Plane Switching)
22. 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.
Aspect ratio
Aperture grill
VA (Vertical Alignment)
F-type
23. Pressing lightly on the ____ may revive the pixel.
Converter box
1680 1050
Screen
Dynamic
24. If you are concerned about dead pixels - review the ____ before purchasing.
Return policy
Dot pitch
Composite
Better
25. The D-sub connector on a video card provides....
VN (Twisted Nematic)
D-sub
Analog output
Splits the signal
26. 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
LED (Light Emitting Diode)
Resolution
External
1280 1024
27. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
Worse
Interlacing
DB-15
Speakers USB
28. Additional monitor features include built in ____ or ____ hub.
Speakers USB
Single source
1024 768
Dual
29. 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.
4:3
Speakers USB
Utilities
analog digital
30. 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.
Dead
CRT
Screen
IPS (In Plane Switching)
31. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
1920 1200
DB-15
Response time
RCA
32. 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.
LCD monitor that accepts an analog connection
Pixels
6
Diagonal
33. 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.
Backlight
Video card
6
RCA
34. 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.
D-sub connector
Aperture grill
Color shift
1680 1050
35. 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.
1280x720 1920x1080
1024 768
CRT native
DB-15
36. 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
Utilities
Normal
16:9
HDCP
37. The HDTV connector uses a ____-pin mini-din cable.
720p 1080i
1024 768
Viewing angle
7
38. ____ (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.
Video card
DMS-59
720p 1080i
Converter
39. Without a built-in tuner - video input is limited to a ____ channel - and changing TV channels must be done at the ____ device before inputting into the video card.
LCD
1280x720 1920x1080
Single source
Response time
40. ____ female port.
DB-15
Pixel pitch
DVI-D (digital video-digital)
Flat displays
41. 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
Y UV
Single
16:9
Dynamic
42. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Color shift
1024 768
Analog CRT monitor
both video and audio input
43. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
Normal
1680 1050
2048 1536
Response time
44. 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.
6
Resolution
CRT
Laptop
45. 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.
DB-15
VN (Twisted Nematic)
CRT
both video and audio input
46. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
DisplayPort
DVI-D (digital video-digital)
Dot pitch
perture grill
47. The ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Interlacing
30 99
Dot pitch
Debris
48. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
4:3
1152 864
HDCP
DMS-59
49. 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.
HDTV
Splits the signal
Color shift
Shadow mask
50. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
Response time
Static
2048 1536
Refresh