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Test your basic knowledge |
Comptia A +: Hardware Display Devices
Start Test
Study First
Subjects
:
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. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Normal
VN (Twisted Nematic)
1920 1200
Progressive scanning
2. 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.
CRT native
Contrast ratio
Progressive scanning
Speakers USB
3. ____ 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
CRT
Aperture grill
Dot pitch
4. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
DisplayPort
IPS (In Plane Switching)
Worse
DB-15
5. 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
HDTV
640 480
4:3
16:9
6. CRT monitors have a ____ aspect ratio which matches the display ration of a television set.
4:3
1280x720 1920x1080
Interlacing
16:9
7. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.
1680 1050
Adapter
Resolution
Composite
8. ____ female port.
DVI-D (digital video-digital)
1600 1200
Dynamic
Flat displays
9. ____ panels are the most expensive type of panel - and could be difficult to find.
DVI-D (digital video-digital)
IPS (In Plane Switching)
DVI-I (digital video-integrated)
Brighter
10. 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
1280x720 1920x1080
1280 1024
Analog output
11. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Normal
D-sub
1280x720 1920x1080
Separately
12. 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.
Screen
IPS (In Plane Switching)
both video and audio input
Physical effective
13. 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.
30 99
Return policy
both video and audio input
1920 1080
14. 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
Progressive scanning
1680 1050
TFT (thin film transistor)
720p 1080i
15. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
Digital
DVI-A (digital video-analog)
Screen
Dual
16. ____ 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.
S-video
Interlacing
Better
LCD
17. 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
Debris
RCA
1280 1024
Viewing angle
18. 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.
Pixels
Refresh
6
Interlacing
19. A ____ connection on a video card provides analog - video-only TV output. These video connectors are RCA connectors (typically yellow).
Contrast ratio
Degauss
Flat displays
Composite video
20. ____ (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.
DVI-D (digital video-digital)
Response time
Viewing angle
720p 1080i
21. 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.
Dual link
DMS-59
Refresh
4:3
22. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
1600 1200
720p 1080i
perture grill
Contrast ratio
23. ____ cable and female port.
1024 768
Refresh
S-video
DVI-A (digital video-analog)
24. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Higher sharper
DVI-D (digital video-digital)
1152 864
VA (Vertical Alignment)
25. ____ 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.
S-video
2048 1536
1600 1200
Brightness
26. 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
IPS (In Plane Switching)
Utilities
DVI-D (digital video-digital)
27. 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-I (digital video-integrated)
Video card
DisplayPort
1152 864
28. 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.
DVI-A connection
Resolution
Contrast ratio
Interlacing
29. 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.
Response time
CRT
DVI-A connection
Physical effective
30. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
CRT
perture grill
Single source
1920 1200
31. ____ on the screen can be mistaken for a dead pixel.
DMS-59
DVI-I (digital video-integrated)
Debris
Pixel pitch
32. 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).
DMS-59
CRT
1280 1024
Higher voltage
33. 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
Return policy
DMS-59
DVI-A (digital video-analog)
Degauss
34. 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.
IPS (In Plane Switching)
Backlight
Splits the signal
Color shift
35. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
Utilities
1920 1080
Higher sharper
1400 1050
36. 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
1400 1050
Video card
Backlight
37. TN panels have ____ viewing angles and contrast ratios than the other display types.
Speakers USB
4:3
Worse
CCFL (Cold Cathode Fluorescent Lamp)
38. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Resolution
analog digital
DB-15
Refresh
39. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
U V color
CRT
D-sub
VN (Twisted Nematic)
40. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
1280x720 1920x1080
Interlacing
CRT native
perture grill
41. 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.
D-sub
perture grill
Degauss
Contrast ratio
42. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
1680 1050
Separately
1920 1200
Degauss
43. 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.
LCD monitor that accepts an analog connection
DB-15
Refresh
Debris
44. ____ is a digital video and audio connector used for high-definition digital audio and video. Itcombines the audio and video signals onto a single cable. You can use HDMI connectors with a video card with an ____ connector. Many of these video cards
Aspect ratio
HDMI (High-Definition Multimedia Interface)
1400 1050
CRT native
45. 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 ____.
30 99
1280x720 1920x1080
Interlacing
Debris
46. 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
Single source
DVI HDMI
Degauss
Progressive scanning
47. 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.
G2G (grey-to-grey - or GTG)
Degauss
perture grill
1920 1200
48. The D-sub connector on a video card provides....
IPS (In Plane Switching)
CRT
Flat displays
Analog output
49. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
4:3
DVI-D (digital video-digital)
Separately
Flat displays
50. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
1152 864
Resolution
2048 1536
Dynamic