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Test your basic knowledge |
Comptia A +: Hardware Display Devices
Start Test
Study First
Subjects
:
certifications
,
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. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
DVI-D (digital video-digital)
1024 768
Single
LED (Light Emitting Diode)
2. 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.
D-sub
CRT
Return policy
Widescreen
3. 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.
16:9
U V color
DVI-A connection
Converter
4. ____ female port.
DVI-D (digital video-digital)
Diagonal
Response time
G2G (grey-to-grey - or GTG)
5. 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
Dynamic
DisplayPort
Video card
G2G (grey-to-grey - or GTG)
6. 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.
Aspect ratio
Resolution
Resolution
Refresh
7. You can connect LCD monitors to a video card with a DVI-I connector with either a ____ or ____ connection.
DVI-I DVI-D
CRT
Analog CRT monitor
Speakers USB
8. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
Speakers USB
HDCP
Resolution
Higher sharper
9. 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.
LED (Light Emitting Diode)
Backlight
Adapter
CRT
10. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Video card
16:9
Dead
Analog CRT monitor
11. ____ displays have a 4:3 aspect ratio (used in CRT displays).
Diagonal
both video and audio input
Converter
Normal
12. There are ____ to identify and possibly fix dead pixels on a monitor.
DB-15
Analog output
Utilities
Aspect ratio
13. DVI-D ____ link cable.
DVI-D (digital video-digital)
Dual
1680 1050
DisplayPort
14. ____ DVI-D connectors have 3 rows of 8 pins plus the horizontal pin (often called a 25-pin - 24+1-pin - or 24-pin connector).
Dual link
DVI-I (digital video-integrated)
S-video
Converter
15. Like HDMI - DisplayPort can send audio signals over the ______ (if audio is supported by the video card and monitor).
Dead
Degauss
1024 768
Same cable
16. Composite signals combine three qualities of video into a single signal; the Y channel is for brightness or luminance and ____ and ____ channels provide ____ information.
Dead pixel
Brightness
Refresh
U V color
17. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
VN (Twisted Nematic)
Better
Composite
Dynamic
18. 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.
Video card
Y brightness
800 600
D-sub
19. ____ panels are the most expensive type of panel - and could be difficult to find.
CCFL (Cold Cathode Fluorescent Lamp)
2048 1536
IPS (In Plane Switching)
External
20. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1600 1200
1152 864
Screen
IPS (In Plane Switching)
21. 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
Dual
1680 1050
Resolution
TFT (thin film transistor)
22. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
Diagonal
both video and audio input
IPS (In Plane Switching)
Analog CRT monitor
23. 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.
Response time
1680 1050
Dual
1280 1024
24. 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
VN (Twisted Nematic)
Viewing angle
Higher sharper
Pixels
25. 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.
DVI-A (digital video-analog)
Response time
6
Digital
26. ____ video cable and female port.
HDMI (High-Definition Multimedia Interface)
Composite
DVI-A (digital video-analog)
D-sub
27. ____ panels have relatively slow response times (6ms to 16ms) - and have a slight purple tint in blacks when viewed from a wide angle.
IPS (In Plane Switching)
800 600
Brightness
CRT
28. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
640 480
G2G (grey-to-grey - or GTG)
LCD
CRT native
29. Pressing lightly on the ____ may revive the pixel.
Analog CRT monitor
Interlacing
Debris
Screen
30. ____ 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
Dead pixel
Shadow mask
800 600
31. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
CRT
Resolution
Y brightness
Return policy
32. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Worse
720p 1080i
CCFL (Cold Cathode Fluorescent Lamp)
Higher sharper
33. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
1680 1050
Progressive scanning
IPS (In Plane Switching)
1920 1200
34. Use the ____ connection to connect a TV - VCR - or video camera to the video card. Audio signals must be supplied separately.
Composite
Contrast ratio
Widescreen
Progressive scanning
35. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
CRT
VN (Twisted Nematic)
Normal
Contrast ratio
36. 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.
Progressive scanning
HDMI (High-Definition Multimedia Interface)
both video and audio input
Interlacing
37. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
Flat displays
Dynamic
DVI-D (digital video-digital)
IPS (In Plane Switching)
38. There are currently two methods used for the backlight - 1) ____ that is currently the most common backlight source and require an inverter to provide AC power to the backlight.
Converter
CCFL (Cold Cathode Fluorescent Lamp)
Dot pitch
DB-15
39. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
DVI-A connection
D-sub
30 99
VN (Twisted Nematic)
40. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
Viewing angle
Aspect ratio
LCD monitor that accepts an analog connection
both video and audio input
41. 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.
Diagonal
1920 1200
DVI-I DVI-D
Analog CRT monitor
42. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Pixels
800 600
TFT (thin film transistor)
4:3
43. The ____ is the ratio of the width and the height.
Aspect ratio
Dynamic
Aperture grill
1280x720 1920x1080
44. The ____ is the ratio of the width and the height.
Aspect ratio
CCFL (Cold Cathode Fluorescent Lamp)
Physical effective
Pixel pitch
45. 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
Viewing angle
Composite video
VN (Twisted Nematic)
Backlight
46. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
Shadow mask
DVI-D (digital video-digital)
1152 864
perture grill
47. 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 ____.
Adapter
S-video
D-sub
Converter box
48. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Analog output
Brighter
DisplayPort
Resolution
49. ____ is an alternative to an HDMI connector.
Y UV
Speakers USB
DisplayPort
DVI-I (digital video-integrated)
50. 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
Interlacing
Digital
Resolution