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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 ____ is the distance between pixels measured in millimeters. The standard in color monitors in about .15 mm to .30 mm.
Color shift
Dot pitch
Analog
VN (Twisted Nematic)
2. Having a few dead ____ can be common on many displays.
Dual
Contrast ratio
Static
Pixels
3. 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
Backlight
Video card
16:9
4. 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.
VN (Twisted Nematic)
Interlacing
VA (Vertical Alignment)
Degauss
5. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Contrast ratio
VA (Vertical Alignment)
6
1920 1080
6. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. UXGA = ____ x ____.
Aperture grill
Resolution
Interlacing
1600 1200
7. 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.
Brighter
Dot pitch
DVI-A (digital video-analog)
Converter box
8. DisplayPort does not use ______ than DVI and HDMI.
Higher voltage
Refresh
800 600
Color shift
9. 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
1680 1050
HDCP
Interlacing
10. ____ 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.
IPS (In Plane Switching)
Digital
F-type
Brightness
11. ____ is an alternative to an HDMI connector.
CRT
CRT
Interlacing
DisplayPort
12. ____ (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.
D-sub connector
720p 1080i
Dead pixel
Video card
13. 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.
Refresh
Utilities
VN (Twisted Nematic)
D-sub DVI-A
14. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
Aperture grill
1400 1050
1920 1080
CRT
15. 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.
DVI-I (digital video-integrated)
DB-15
Response time
VN (Twisted Nematic)
16. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
External
6
800 600
Single link
17. 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).
Brightness
VN (Twisted Nematic)
Response time
1280 1024
18. 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.
DVI-D (digital video-digital)
Backlight
Higher sharper
Brighter
19. DVI-D ____ link cable.
Brighter
Shadow mask
IPS (In Plane Switching)
Dual
20. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
Aperture grill
4:3
D-sub
Adapter
21. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
CRT
1400 1050
Better
both video and audio input
22. Single link DVI-D connectors can support 60 Hz up to ____ x ____ resolution.
640 480
1920 1080
Brighter
DVI-A connection
23. ____ panels are the most expensive type of panel - and could be difficult to find.
LED (Light Emitting Diode)
perture grill
IPS (In Plane Switching)
Single
24. The D-sub connector on a video card provides....
TFT (thin film transistor)
1680 1050
VA (Vertical Alignment)
Analog output
25. 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.
Composite video
2048 1536
DB-15
Y brightness
26. LCD monitors often include features for HDTV support such as built-in speakers and audio-out to ____ speakers. LCD monitors often include features for HDTV support such as an HDTV tuner to allow you to watch TV and change channels when the monitor is
External
S-video
16:9
Better
27. The ____ contrast ratio indicates the difference that the monitor is capable of producing.
External
Dynamic
Return policy
Y brightness
28. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
both video and audio input
TFT (thin film transistor)
CRT
CRT
29. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
Dynamic
1920 1200
Video card
16:9
30. 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.
both video and audio input
Pixel pitch
Refresh
30 99
31. You can connect LCD monitors to a video card with a DVI-I connector with either a ____ or ____ connection.
DVI-I DVI-D
Brighter
2048 1536
720p 1080i
32. 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.
perture grill
VN (Twisted Nematic)
LCD monitor that accepts an analog connection
1024 768
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.
D-sub
Diagonal
Dual link
IPS (In Plane Switching)
34. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
Response time
640 480
720p 1080i
Dual
35. 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.
Pixels
Analog CRT monitor
Brightness
Response time
36. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
640 480
Brightness
CRT native
1024 768
37. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Better
Adapter
TV-tuner
Converter box
38. 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
D-sub DVI-A
DB-15
Better
39. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Flat displays
16:9
Analog CRT monitor
Normal
40. The ____ contrast ratio indicates the difference that can be displayed at the same time.
Speakers USB
Static
Analog CRT monitor
Aspect ratio
41. 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
Shadow mask
Better
VA (Vertical Alignment)
4:3
42. 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
perture grill
Pixels
Pixel pitch
DisplayPort
43. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
VA (Vertical Alignment)
Resolution
Video card
1024 768
44. ____ 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.
Dot pitch
LCD
2048 1536
Speakers USB
45. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.
perture grill
Aperture grill
Composite
F-type
46. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Normal
Resolution
Refresh
1152 864
47. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
CRT native
Pixel pitch
1152 864
DisplayPort
48. DVI-D ____ link cable.
Single source
External
Single
Shadow mask
49. ____ panels are the most expensive type of panel - and could be difficult to find.
16:9
Video card
IPS (In Plane Switching)
HDTV
50. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Higher sharper
Utilities
Dead pixel
Screen