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Test your basic knowledge |
Comptia A +: Hardware Display Devices
Start Test
Study First
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
.
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. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Dead pixel
both video and audio input
DVI-D (digital video-digital)
Better
2. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
both video and audio input
Degauss
Dynamic
1280 1024
3. The HDTV connector uses a ____-pin mini-din cable.
7
CRT
Backlight
Refresh
4. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Analog output
1280x720 1920x1080
D-sub
6
5. Dual link DVI-D can support 60 Hz up to ____ x ____ resolution.
2048 1536
LCD
DVI-A (digital video-analog)
Response time
6. 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.
720p 1080i
1280 1024
Resolution
Brightness
7. 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
Static
DVI-D (digital video-digital)
DB-15
8. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1152 864
VA (Vertical Alignment)
2048 1536
LED (Light Emitting Diode)
9. There are ____ to identify and possibly fix dead pixels on a monitor.
1920 1200
720p 1080i
TV-tuner
Utilities
10. 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
1600 1200
Degauss
CRT
1280 1024
11. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Brightness
Speakers USB
Pixel pitch
1280 1024
12. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
CRT
Video card
Dual
Dot pitch
13. Monitor size is typically described using a ____ measurement.
Normal
Laptop
Diagonal
Widescreen
14. 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.
CRT native
4:3
30 99
Aperture grill
15. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
Aspect ratio
CRT
1600 1200
Normal
16. 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
Digital
Response time
LED (Light Emitting Diode)
IPS (In Plane Switching)
17. Additional monitor features include built in ____ or ____ hub.
DVI-A connection
Color shift
Video card
Speakers USB
18. 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.
Separately
4
DVI-A (digital video-analog)
Degauss
19. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
640 480
16:9
Interlacing
TFT (thin film transistor)
20. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
CRT
Response time
DB-15
both video and audio input
21. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Pixel pitch
IPS (In Plane Switching)
DMS-59
Dead pixel
22. 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.
Interlacing
DVI-I (digital video-integrated)
TFT (thin film transistor)
DVI-D (digital video-digital)
23. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
D-sub
Better
1400 1050
Static
24. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
Screen
Dual
Aspect ratio
IPS (In Plane Switching)
25. If the video card only has a DVI-D connector and you have an analog-only monitor - it is often cheaper to purchase a new ____ instead of the converter box.
DVI-A connection
Response time
Physical effective
Video card
26. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Higher sharper
1280x720 1920x1080
Better
Response time
27. 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.
16:9
analog digital
Contrast ratio
1280 1024
28. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
LCD monitor that accepts an analog connection
Contrast ratio
Diagonal
Video card
29. 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.
Splits the signal
VA (Vertical Alignment)
Analog
Refresh
30. 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.
1024 768
800 600
Video card
Backlight
31. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Response time
Diagonal
DVI-D (digital video-digital)
2048 1536
32. 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 ____.
DMS-59
Interlacing
DVI-A (digital video-analog)
1280x720 1920x1080
33. For manufacturers - the ____ is royalty free - whereas including an HDMI connector requires a fee for each connector used. Manufacturers such as Dell and Apple are starting to use DisplayPorts in monitors and video cards - but these are not yet used
DisplayPort
External
U V color
Color shift
34. ____ female port.
DMS-59
DVI-D (digital video-digital)
DVI-A connection
Interlacing
35. 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)
16:9
Response time
Dot pitch
36. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Response time
Brightness
Single link
Degauss
37. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
CRT
VA (Vertical Alignment)
1400 1050
Better
38. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1600 1200
1152 864
VN (Twisted Nematic)
16:9
39. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
1680 1050
Dual
Utilities
Higher sharper
40. The ____ contrast ratio indicates the difference that can be displayed at the same time.
VN (Twisted Nematic)
6
Static
1920 1200
41. 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.
Backlight
Normal
Return policy
TFT (thin film transistor)
42. ____ 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.
both video and audio input
2048 1536
Brightness
DB-15
43. 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
IPS (In Plane Switching)
Viewing angle
Dual
Splits the signal
44. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Dot pitch
Analog CRT monitor
Refresh
Response time
45. If you are concerned about dead pixels - review the ____ before purchasing.
Return policy
Higher sharper
perture grill
CCFL (Cold Cathode Fluorescent Lamp)
46. S-video (separate-video - Y/C - or S-VHS) connections are present on many video cards and supply ____ - video-only TV output.
Laptop
Analog
1920 1200
Response time
47. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Static
Screen
CRT native
Response time
48. A quicker ____ is needed when viewing moving images such as video or games. If it is too slow (above 8ms) the result are ghosting or blurred images.
both video and audio input
Analog
30 99
Response time
49. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Analog
Response time
G2G (grey-to-grey - or GTG)
Analog CRT monitor
50. ____ (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.
perture grill
720p 1080i
1280x720 1920x1080
Contrast ratio