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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. 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
both video and audio input
LED (Light Emitting Diode)
1400 1050
Response time
2. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
CRT
LCD
16:9
Converter
3. An ____ connector supplies analog - video-only TV output in three separate channels: R (red) - G (green) - and B (blue).
Pixel pitch
Dynamic
HDTV
Better
4. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Flat displays
DVI HDMI
Better
1152 864
5. ____ 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.
IPS (In Plane Switching)
VN (Twisted Nematic)
Dead pixel
Speakers USB
6. ____ are tube monitors with a flatter glass tube that results in an image with less distortion around the edges.
CRT
Aspect ratio
Flat displays
1400 1050
7. Be aware that the display qualities of your monitor depend on the capabilities of both the monitor and the ____.
Diagonal
Dual link
Video card
Contrast ratio
8. 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.
Contrast ratio
1280x720 1920x1080
CRT
720p 1080i
9. 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.
Debris
Static
Interlacing
30 99
10. 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
IPS (In Plane Switching)
Brightness
External
Resolution
11. 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.
16:9
Video card
Contrast ratio
1280 1024
12. You can connect analog CRT monitors to a video card with a...
Normal
Dead pixel
Widescreen
D-sub connector
13. Because of how the ____ monitor works - portions of the display tube cannot be used for displaying the image.
VA (Vertical Alignment)
CRT
1400 1050
Static
14. Do not confuse video in - which can be supplied by composite - s-video - or HDTV connectors - with ____ capabilities. The built-in tuner means that the card or monitor itself has the ability to accept multi-channel input and change the display by cha
Diagonal
Brighter
TV-tuner
Analog output
15. VA panels suffer from ____ that produces uneven colors across the display with loss of detail in dark scenes.
2048 1536
Adapter
Single source
Color shift
16. The ____ is the distance between pixels. A lower number means a sharper image and possibly higher resolutions.
DVI-A connection
Pixel pitch
DVI-A (digital video-analog)
perture grill
17. You can connect LCD monitors to a video card with a DVI-I connector with either a ____ or ____ connection.
Dual
1920 1200
DVI-I DVI-D
both video and audio input
18. ____ 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.
Resolution
Brighter
Degauss
IPS (In Plane Switching)
19. LCD monitors often include features for HDTV support such as an HDMI input that accepts ____________ through the HDMI port.
Single source
both video and audio input
IPS (In Plane Switching)
Y UV
20. 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.
Dot pitch
6
analog digital
Backlight
21. Because ____ monitors have better color reproduction than TN monitors and are cheaper than IPS monitors - they are still used by many graphic artists.
Resolution
Single source
CRT
Dynamic
22. DisplayPort does not use ______ than DVI and HDMI.
IPS (In Plane Switching)
Higher voltage
800 600
Shadow mask
23. The ____ indicates how quickly a pixel can go from black - to white - and back to black and is indicated in milliseconds (ms).
1152 864
Response time
Degauss
1024 768
24. DVI-D ____ link cable.
6
Pixel pitch
Brighter
Dual
25. ____ 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).
Analog CRT monitor
Dual link
Dead pixel
800 600
26. It is common for ____ monitors to support a wide number of resolutions - but LCD monitors often have a____ (optimum) display resolution.
Aperture grill
CRT native
Brighter
VN (Twisted Nematic)
27. 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)
VN (Twisted Nematic)
800 600
Backlight
28. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. VGA = ____ x ____.
Aspect ratio
Physical effective
Response time
640 480
29. There are two methods of controlling the illumination of the phosphor - 2) an ____ consists of a screen of ultra thin vertical and horizontal wires. This configuration allows more electrons through resulting in a richer color display.
Aperture grill
F-type
CRT
1400 1050
30. The ____ contrast ratio indicates the difference that can be displayed at the same time.
1280x720 1920x1080
Static
Response time
1400 1050
31. ____ DVI-D connectors have 3 rows of 6 pins with one additional larger horizontal pin.
Digital
Single link
640 480
LCD
32. 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
1280 1024
16:9
Refresh
Utilities
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.
Worse
Widescreen
640 480
Response time
34. 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.
Static
Contrast ratio
DisplayPort
Utilities
35. Common resolutions are often described using a naming standard - although these standards encompass much more than just resolution size. XGA = ____ x ____.
1024 768
1680 1050
RCA
DVI-A (digital video-analog)
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.
G2G (grey-to-grey - or GTG)
2048 1536
16:9
Progressive scanning
37. 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.
Resolution
Static
Backlight
Brightness
38. ____ monitors will typically list the monitor size along with the viewable image size which is smaller than the total screen size. Because of how the monitor is made - not all of the available screen size can actually display an image.
Dual
CRT
1280x720 1920x1080
Resolution
39. ____ panels offer the best contrast ratios of the display types - and are well suited for movies that require good contrast.
Dual link
Resolution
DVI-D (digital video-digital)
VA (Vertical Alignment)
40. S-video (separate-video - Y/C - or S-VHS) connections are present on many video cards and supply ____ - video-only TV output.
Analog
Pixels
LCD monitor that accepts an analog connection
4
41. 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.
2048 1536
LCD monitor that accepts an analog connection
CCFL (Cold Cathode Fluorescent Lamp)
CRT native
42. 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.
D-sub
Refresh
S-video
1920 1200
43. There are two methods of controlling the illumination of the phosphor - 2) an ____ consists of a screen of ultra thin vertical and horizontal wires. This configuration allows more electrons through resulting in a richer color display.
CRT
Dual link
Aperture grill
Converter box
44. VA panels have ____ color reproduction and wider viewing angles than TN displays - but with slower response times and a higher cost.
Debris
Analog output
HDCP
Better
45. You can connect analog CRT monitors to a video card with a...
Interlacing
DisplayPort
16:9
D-sub connector
46. 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.
Separately
Brighter
LCD
Physical effective
47. A ____ connection on a video card provides digital output. These connections are rated as either single link or dual link.
1280x720 1920x1080
1152 864
DVI-D (digital video-digital)
perture grill
48. ____ is drawing the screen in two passes; odd lines on the first and then the even lines on the second pass.
DVI-A connection
D-sub
Brightness
Interlacing
49. 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.
Physical effective
Diagonal
Dot pitch
6
50. ____ (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.
Dynamic
LCD
Dead pixel
720p 1080i