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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 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
D-sub connector
Aperture grill
Static
Degauss
2. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
External
Same cable
Single link
CRT
3. 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.
6
Single link
G2G (grey-to-grey - or GTG)
CCFL (Cold Cathode Fluorescent Lamp)
4. 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)
LED (Light Emitting Diode)
Brighter
Analog output
5. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
analog digital
Brighter
640 480
DB-15
6. TN panels have ____ viewing angles and contrast ratios than the other display types.
Static
CRT
1152 864
Worse
7. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
Contrast ratio
LED (Light Emitting Diode)
Pixel pitch
Diagonal
8. The ____ contrast ratio indicates the difference that can be displayed at the same time.
800 600
G2G (grey-to-grey - or GTG)
Static
Physical effective
9. 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
Brighter
4:3
perture grill
10. You can connect analog CRT monitors to a video card with a...
Higher sharper
D-sub connector
Physical effective
LED (Light Emitting Diode)
11. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
VA (Vertical Alignment)
1920 1200
1024 768
1152 864
12. A ____ screen is typically desired for watching movies - or on laptops where the screen is viewed in full sunlight.
Degauss
Brighter
4:3
640 480
13. When connecting various devices to a computer video card - you can typically find converter cables to match the interface on the video card with the interface on the device. However - these cables do not convert from ____ to ____ signaling.
analog digital
Better
16:9
30 99
14. The HDTV connector uses a ____-pin mini-din cable.
Backlight
7
CCFL (Cold Cathode Fluorescent Lamp)
both video and audio input
15. 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
S-video
DisplayPort
Same cable
16. 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.
Degauss
2048 1536
Pixels
6
17. ____ cable and female port.
S-video
Higher sharper
Shadow mask
LED (Light Emitting Diode)
18. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
VA (Vertical Alignment)
CRT
DVI-A connection
Y UV
19. 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.
analog digital
Contrast ratio
1280 1024
800 600
20. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
IPS (In Plane Switching)
Degauss
Flat displays
HDCP
21. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
RCA
Flat displays
Dot pitch
DB-15
22. 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.
Utilities
Widescreen
Color shift
Dual link
23. 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.
External
DVI-D (digital video-digital)
1680 1050
Widescreen
24. The D-sub connector on a video card provides....
800 600
Same cable
Analog output
Progressive scanning
25. If you are concerned about dead pixels - review the ____ before purchasing.
Converter box
Response time
DB-15
Return policy
26. 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.
CRT native
Normal
Resolution
Interlacing
27. ____ panels are the most expensive type of panel - and could be difficult to find.
Dead pixel
Dual link
Response time
IPS (In Plane Switching)
28. CRT monitors with DVI-D connectors are possible but rare. This means that the CRT monitor accepts ____ input.
Static
Response time
Digital
1920 1080
29. Most manufactures have started using a ____ measure of response time - which makes the response time faster than a white-to-black response time.
Normal
G2G (grey-to-grey - or GTG)
LED (Light Emitting Diode)
1024 768
30. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Static
Dual
CRT native
VN (Twisted Nematic)
31. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA+ = ____ x ____.
1152 864
Resolution
1280x720 1920x1080
800 600
32. The s-video connector is a ____-pin mini-din connector that has two separate channels - one for Y (luminance) and one for UV (color).
both video and audio input
4
CRT
DVI HDMI
33. 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.
Utilities
Refresh
Widescreen
4
34. ____ 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.
Brightness
Diagonal
Worse
Utilities
35. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. SXGA+ = ____ x ____.
1280 1024
1400 1050
DMS-59
Interlacing
36. 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.
IPS (In Plane Switching)
6
DVI-A (digital video-analog)
Contrast ratio
37. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
Y brightness
LCD
Static
Color shift
38. LCD monitors often include features for HDTV support such as support for ____ to watch copy-protected content.
Contrast ratio
Converter
HDCP
both video and audio input
39. 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
Degauss
LCD monitor that accepts an analog connection
1920 1080
40. DVI-D ____ link cable.
Dead pixel
Dual
Response time
Single link
41. The ____ contrast ratio indicates the difference that can be displayed at the same time.
640 480
External
Static
Speakers USB
42. 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
DB-15
CRT
Interlacing
LED (Light Emitting Diode)
43. 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
Composite
CRT native
External
Backlight
44. DisplayPort does not use ______ than DVI and HDMI.
Pixel pitch
Higher voltage
Video card
Analog
45. 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 ____.
Single
IPS (In Plane Switching)
Adapter
Resolution
46. ____ and ____ are electrically equivalent - meaning that a simple pin-to-pin adapter is all that is required to connect a DVI device to an HDMI port.
Viewing angle
Refresh
DVI HDMI
Refresh
47. DVI-D ____ link cable.
Single
VN (Twisted Nematic)
CRT
1680 1050
48. 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.
D-sub DVI-A
Interlacing
Composite video
Single
49. DVI-D ____ link cable.
CRT native
Dual
1152 864
DVI HDMI
50. DVI-D ____ link cable.
Contrast ratio
Single
1920 1200
Flat displays