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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. 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).
Refresh
Widescreen
1280 1024
Dual
2. 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.
Single link
Dead
Video card
CRT
3. A DVI-A (digital video-analog) is used for an ________________. Some LCD monitors have either a D-sub or this connection.
Debris
Screen
LCD monitor that accepts an analog connection
CRT native
4. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
6
Aspect ratio
CRT native
Dual link
5. 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
Response time
Degauss
Dead
6. 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.
Video card
CCFL (Cold Cathode Fluorescent Lamp)
Brighter
Degauss
7. ____ 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.
Physical effective
Brightness
Better
Normal
8. Monitor size is typically described using a ____ measurement.
1680 1050
Diagonal
Refresh
1280 1024
9. The ____ contrast ratio indicates the difference that can be displayed at the same time.
1920 1080
Brightness
Static
Normal
10. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
CRT
IPS (In Plane Switching)
Pixels
both video and audio input
11. DVI-D ____ link cable.
Aspect ratio
Static
DVI-D (digital video-digital)
Single
12. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
LCD
Pixel pitch
Aspect ratio
both video and audio input
13. ____ 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.
Aperture grill
Better
1152 864
LCD
14. ____ and active matrix are additional terms that are often used to describe LCD monitors. Currently - all LDC displays are these kinds of displays.
1680 1050
Dual link
Color shift
TFT (thin film transistor)
15. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Static
G2G (grey-to-grey - or GTG)
Viewing angle
CRT
16. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Better
Video card
720p 1080i
Interlacing
17. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Higher sharper
Resolution
LCD
Speakers USB
18. 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)
640 480
Composite
Screen
19. Pressing lightly on the ____ may revive the pixel.
IPS (In Plane Switching)
Screen
Analog CRT monitor
VA (Vertical Alignment)
20. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
perture grill
Video card
Refresh
CCFL (Cold Cathode Fluorescent Lamp)
21. 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.
1920 1080
Degauss
Better
Contrast ratio
22. The ____ is the number of pixels - and is expressed using two numbers: the number of horizontal rows and vertical columns.
Static
Adapter
Resolution
1280x720 1920x1080
23. If you are concerned about dead pixels - review the ____ before purchasing.
Separately
DVI-D (digital video-digital)
Higher sharper
Return policy
24. 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.
1600 1200
Video card
External
Dynamic
25. ____ is an alternative to an HDMI connector.
1920 1080
DisplayPort
Higher voltage
Better
26. 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
Higher sharper
CRT
DB-15
DisplayPort
27. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
HDCP
1680 1050
Higher sharper
720p 1080i
28. 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.
DVI-D (digital video-digital)
Response time
DVI-I (digital video-integrated)
Physical effective
29. ____ (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)
LED (Light Emitting Diode)
DisplayPort
720p 1080i
30. 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.
HDMI (High-Definition Multimedia Interface)
Brightness
Widescreen
Utilities
31. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SVGA = ____ x ____.
Higher voltage
Dynamic
DB-15
800 600
32. Pressing lightly on the ____ may revive the pixel.
RCA
Contrast ratio
Screen
Flat displays
33. ____ female port.
DVI-D (digital video-digital)
Adapter
Speakers USB
Higher voltage
34. ____ on the screen can be mistaken for a dead pixel.
perture grill
7
Debris
Aperture grill
35. Having a few dead ____ can be common on many displays.
Degauss
DVI-I (digital video-integrated)
Pixel pitch
Pixels
36. ____ 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.
LCD
1920 1200
IPS (In Plane Switching)
Higher voltage
37. The ____ is the ratio of the width and the height.
HDMI (High-Definition Multimedia Interface)
1152 864
Aspect ratio
IPS (In Plane Switching)
38. 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.
Single
perture grill
Debris
VN (Twisted Nematic)
39. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size.WUXGA = ____ x ____.
CCFL (Cold Cathode Fluorescent Lamp)
2048 1536
Aspect ratio
1920 1200
40. The ____ connector - sometimes called a VGA connector - uses a DB-15 connector with three rows of pins.
perture grill
Interlacing
D-sub
1600 1200
41. ____ 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
D-sub connector
Converter box
HDMI (High-Definition Multimedia Interface)
Physical effective
42. 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.
6
Analog
Resolution
Analog CRT monitor
43. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Composite
DVI-A connection
DVI-D (digital video-digital)
Higher sharper
44. ____ link allows for longer cable lengths and a higher video resolution and you should choose this type of video card whenever possible.
Interlacing
DB-15
Analog output
Dual
45. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Brighter
Analog output
Dynamic
G2G (grey-to-grey - or GTG)
46. 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 box
CCFL (Cold Cathode Fluorescent Lamp)
1280 1024
External
47. A ____ connection on a video card provides analog - video-only TV output. These video connectors are RCA connectors (typically yellow).
Composite video
Dynamic
Interlacing
1024 768
48. ____ 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).
1280x720 1920x1080
CRT
Brightness
Dual link
49. The smaller the dot pitch - the more room there is for____ resolutions and the ____ a picture may be.
Higher sharper
IPS (In Plane Switching)
Physical effective
IPS (In Plane Switching)
50. 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.
DVI-D (digital video-digital)
External
Progressive scanning
Video card